diff --git a/client/src/app-components/__tests__/ticket-list-test.js b/client/src/app-components/__tests__/ticket-list-test.js
index 7a60a267..88803dd1 100644
--- a/client/src/app-components/__tests__/ticket-list-test.js
+++ b/client/src/app-components/__tests__/ticket-list-test.js
@@ -35,7 +35,6 @@ describe('TicketList component', function () {
                 id: 1,
                 name: 'Sales Support'
             },
-            priority: 'low',
             author: {
                 id: 3,
                 name: 'Francisco Villegas'
@@ -123,27 +122,21 @@ describe('TicketList component', function () {
                     className: 'ticket-list__title col-md-4'
                 });
             expect(table[0].props.headers[2]).to.deep.equal(
-                {
-                    key: 'priority',
-                    value: i18n('PRIORITY'),
-                    className: 'ticket-list__priority col-md-1'
-                });
-            expect(table[0].props.headers[3]).to.deep.equal(
                 {
                     key: 'department',
                     value: i18n('DEPARTMENT'),
                     className: 'ticket-list__department col-md-2'
                 });
-            expect(table[0].props.headers[4]).to.deep.equal(
+            expect(table[0].props.headers[3]).to.deep.equal(
                 {
                     key: 'author',
                     value: i18n('AUTHOR'),
                     className: 'ticket-list__author col-md-2'
                 });
-            expect(table[0].props.headers[5].key).to.equal('date');
-            expect(table[0].props.headers[5].value.props.children[0]).to.equal(i18n('DATE'));
-            expect(table[0].props.headers[5].value.props.children[1]).to.equal(null);
-            expect(table[0].props.headers[5].className).to.equal('ticket-list__date col-md-2');
+            expect(table[0].props.headers[4].key).to.equal('date');
+            expect(table[0].props.headers[4].value.props.children[0]).to.equal(i18n('DATE'));
+            expect(table[0].props.headers[4].value.props.children[1]).to.equal(null);
+            expect(table[0].props.headers[4].className).to.equal('ticket-list__date col-md-2');
         });
 
         it('should pass correct props to dropdown', function () {
diff --git a/client/src/app-components/activity-row.js b/client/src/app-components/activity-row.js
index ef029498..7dd88150 100644
--- a/client/src/app-components/activity-row.js
+++ b/client/src/app-components/activity-row.js
@@ -18,7 +18,6 @@ class ActivityRow extends React.Component {
             'CREATE_TICKET',
             'RE_OPEN',
             'DEPARTMENT_CHANGED',
-            'PRIORITY_CHANGED',
             'EDIT_TITLE',
             'EDIT_COMMENT',
 
@@ -59,7 +58,6 @@ class ActivityRow extends React.Component {
             'CREATE_TICKET',
             'RE_OPEN',
             'DEPARTMENT_CHANGED',
-            'PRIORITY_CHANGED',
             'COMMENT_EDITED',
             'EDIT_TITLE',
             'EDIT_COMMENT',
@@ -115,7 +113,6 @@ class ActivityRow extends React.Component {
             'CREATE_TICKET': 'ticket',
             'RE_OPEN': 'unlock-alt',
             'DEPARTMENT_CHANGED': 'exchange',
-            'PRIORITY_CHANGED': 'exclamation',
             'EDIT_TITLE': 'edit',
             'EDIT_COMMENT': 'edit',
 
diff --git a/client/src/app-components/ticket-event.js b/client/src/app-components/ticket-event.js
index db08ac30..4d8a0ef4 100644
--- a/client/src/app-components/ticket-event.js
+++ b/client/src/app-components/ticket-event.js
@@ -21,7 +21,6 @@ class TicketEvent extends React.Component {
             'CLOSE',
             'RE_OPEN',
             'DEPARTMENT_CHANGED',
-            'PRIORITY_CHANGED'
         ]),
         author: React.PropTypes.object,
         content: React.PropTypes.string,
@@ -84,7 +83,6 @@ class TicketEvent extends React.Component {
             'CLOSE': this.renderClosed.bind(this),
             'RE_OPEN': this.renderReOpened.bind(this),
             'DEPARTMENT_CHANGED': this.renderDepartmentChange.bind(this),
-            'PRIORITY_CHANGED': this.renderPriorityChange.bind(this)
         };
 
         return renders[this.props.type]();
@@ -205,17 +203,6 @@ class TicketEvent extends React.Component {
         );
     }
 
-    renderPriorityChange() {
-        return (
-            <div className="ticket-event__circled">
-                <span className="ticket-event__circled-author">{this.props.author.name}</span>
-                <span className="ticket-event__circled-text"> {i18n('ACTIVITY_PRIORITY_CHANGED_THIS')}</span>
-                <span className="ticket-event__circled-indication"> {this.props.content}</span>
-                <span className="ticket-event__circled-date"> {i18n('DATE_PREFIX')} {DateTransformer.transformToString(this.props.date)}</span>
-            </div>
-        );
-    }
-
     renderPrivateBadge() {
         return (
             <span className="ticket-event__comment-badge-container">
@@ -270,7 +257,6 @@ class TicketEvent extends React.Component {
             'CLOSE': true,
             'RE_OPEN': true,
             'DEPARTMENT_CHANGED': true,
-            'PRIORITY_CHANGED': true
         };
         const classes = {
             'row': true,
@@ -281,7 +267,6 @@ class TicketEvent extends React.Component {
             'ticket-event_close': this.props.type === 'CLOSE',
             'ticket-event_reopen': this.props.type === 'RE_OPEN',
             'ticket-event_department': this.props.type === 'DEPARTMENT_CHANGED',
-            'ticket-event_priority': this.props.type === 'PRIORITY_CHANGED',
             'ticket-event_private': this.props.private*1,
         };
 
@@ -296,7 +281,6 @@ class TicketEvent extends React.Component {
             'CLOSE': 'lock',
             'RE_OPEN': 'unlock-alt',
             'DEPARTMENT_CHANGED': 'exchange',
-            'PRIORITY_CHANGED': 'exclamation'
         };
         const iconSize = {
             'COMMENT': '2x',
@@ -305,7 +289,6 @@ class TicketEvent extends React.Component {
             'CLOSE': 'lg',
             'RE_OPEN': 'lg',
             'DEPARTMENT_CHANGED': 'lg',
-            'PRIORITY_CHANGED': 'lg'
         };
 
         return {
diff --git a/client/src/app-components/ticket-event.scss b/client/src/app-components/ticket-event.scss
index dd5037e0..a1966015 100644
--- a/client/src/app-components/ticket-event.scss
+++ b/client/src/app-components/ticket-event.scss
@@ -213,12 +213,6 @@
         }
     }
 
-    &_priority {
-        .ticket-event__icon {
-            padding-left: 11px;
-            padding-top: 5px;
-        }
-    }
     &_private {
         .ticket-event__comment-pointer {
             border-right-color: $light-yellow;
diff --git a/client/src/app-components/ticket-info.js b/client/src/app-components/ticket-info.js
index 439b6c88..4944d2f8 100644
--- a/client/src/app-components/ticket-info.js
+++ b/client/src/app-components/ticket-info.js
@@ -35,14 +35,6 @@ class TicketInfo extends React.Component {
                             {(this.props.ticket.closed) ? 'closed' : 'open'}
                         </span>
                     </div>
-                    <div className="ticket-info__properties__priority">
-                        <span className="ticket-info__properties__label">
-                            {i18n('PRIORITY')}:
-                        </span>
-                        <span className={this.getPriorityClass()}>
-                            {this.props.ticket.priority}
-                        </span>
-                    </div>
                     <div className="ticket-info__properties__owner">
                         <span className="ticket-info__properties__label">
                             {i18n('OWNED')}:
@@ -80,15 +72,6 @@ class TicketInfo extends React.Component {
         }
     }
 
-    getPriorityClass() {
-        let priorityClasses = {
-            'low': 'ticket-info__properties__badge-green',
-            'medium': 'ticket-info__properties__badge-blue',
-            'high': 'ticket-info__properties__badge-red'
-        };
-
-        return priorityClasses[this.props.ticket.priority];
-    }
 }
 
 export default TicketInfo;
diff --git a/client/src/app-components/ticket-info.scss b/client/src/app-components/ticket-info.scss
index f719f36b..89362776 100644
--- a/client/src/app-components/ticket-info.scss
+++ b/client/src/app-components/ticket-info.scss
@@ -36,7 +36,6 @@
 
         &__status,
         &__owner,
-        &__priority,
         &__comments {
             display: inline-block;
             width: 50%;
diff --git a/client/src/app-components/ticket-list.js b/client/src/app-components/ticket-list.js
index 19b9693a..e616a0d4 100644
--- a/client/src/app-components/ticket-list.js
+++ b/client/src/app-components/ticket-list.js
@@ -193,11 +193,6 @@ class TicketList extends React.Component {
                     value: i18n('TITLE'),
                     className: 'ticket-list__title col-md-4'
                 },
-                {
-                    key: 'priority',
-                    value: i18n('PRIORITY'),
-                    className: 'ticket-list__priority col-md-1'
-                },
                 {
                     key: 'department',
                     value: i18n('DEPARTMENT'),
@@ -287,7 +282,6 @@ class TicketList extends React.Component {
                 </div>
 
             ),
-            priority: this.getTicketPriority(ticket.priority),
             department: ticket.department.name,
             author: ticket.author.name,
             date: DateTransformer.transformToString(ticket.date, false),
@@ -296,24 +290,6 @@ class TicketList extends React.Component {
         };
     }
 
-    getTicketPriority(priority) {
-        if(priority == 'high'){
-            return (
-                <span className="ticket-list__priority-high">{i18n('HIGH')}</span>
-            );
-        }
-        if(priority == 'medium'){
-            return (
-                <span className="ticket-list__priority-medium">{i18n('MEDIUM')}</span>
-            );
-        }
-        if(priority == 'low'){
-            return (
-                <span className="ticket-list__priority-low">{i18n('LOW')}</span>
-            );
-        }
-    }
-
     isTicketUnread(ticket) {
         if(this.props.type === 'primary') {
             return ticket.unread;
diff --git a/client/src/app-components/ticket-list.scss b/client/src/app-components/ticket-list.scss
index 05f574f3..7f35dd61 100644
--- a/client/src/app-components/ticket-list.scss
+++ b/client/src/app-components/ticket-list.scss
@@ -47,24 +47,4 @@
         text-decoration: underline;
     }
 
-    &__priority-low,
-    &__priority-medium,
-    &__priority-high {
-        display: inline-block;
-        border-radius: 10px;
-        width: 70px;
-        color: white;
-    }
-
-    &__priority-low {
-        background-color: $primary-green;
-    }
-
-    &__priority-medium {
-        background-color: $secondary-blue;
-    }
-
-    &__priority-high {
-        background-color: $primary-red;
-    }
 }
diff --git a/client/src/app-components/ticket-query-filters.js b/client/src/app-components/ticket-query-filters.js
index 4466bb71..89cad7b0 100644
--- a/client/src/app-components/ticket-query-filters.js
+++ b/client/src/app-components/ticket-query-filters.js
@@ -48,20 +48,15 @@ class TicketQueryFilters extends React.Component {
                     onChange={this.onChangeForm.bind(this)}
                     onSubmit={this.onSubmitListConfig.bind(this)}>
                     <div className="ticket-query-filters__search-box">
-                        <FormField name="query" field="search-box" fieldProps={{onSearch: this.onSubmitListConfig.bind(this)}}/>
+                        <FormField name="query" field="search-box" fieldProps={{onSearch: this.onSubmitListConfig.bind(this)}} />
                     </div>
                     <div className="ticket-query-filters__group">
-                        <div className="ticket-query-filters__group__container">
-                            <span>{i18n('PRIORITY')}</span>
-                            <FormField name="priority" field="select" fieldProps={{items: this.getPriorityItems()}} />
-                        </div>
                         <div className="ticket-query-filters__group__container">
                             <span>{i18n('DATE')}</span>
                             <FormField
                                 name="dateRange"
                                 field="date-range"
-                                fieldProps={{defaultValue: this.dateRangeToFormValue(filters.dateRange)}}
-                            />
+                                fieldProps={{defaultValue: this.dateRangeToFormValue(filters.dateRange)}} />
                         </div>
                         <div className="ticket-query-filters__group__container">
                             <span>{i18n('STATUS')}</span>
@@ -229,17 +224,6 @@ class TicketQueryFilters extends React.Component {
         return departmentsList;
     }
 
-    getPriorityItems() {
-        let items = [
-            {id: 0, name: 'Any', content: i18n('ANY')},
-            {id: 1, name: 'Low', content: i18n('LOW')},
-            {id: 2, name: 'Medium', content: i18n('MEDIUM')},
-            {id: 3, name: 'High', content: i18n('HIGH')},
-        ];
-
-        return items;
-    }
-
     getSelectedDepartments(selectedDepartmentsId) {
         let selectedDepartments = [];
 
diff --git a/client/src/app-components/ticket-query-filters.scss b/client/src/app-components/ticket-query-filters.scss
index 09e7e56a..20c4ebbe 100644
--- a/client/src/app-components/ticket-query-filters.scss
+++ b/client/src/app-components/ticket-query-filters.scss
@@ -51,6 +51,7 @@
             display: flex;
             flex-direction: column;
             align-items: start;
+            margin-bottom: 30px;
         }
     
     }
diff --git a/client/src/app-components/ticket-viewer.js b/client/src/app-components/ticket-viewer.js
index 5b82b568..f346d071 100644
--- a/client/src/app-components/ticket-viewer.js
+++ b/client/src/app-components/ticket-viewer.js
@@ -151,17 +151,6 @@ class TicketViewer extends React.Component {
         const ticket = this.props.ticket;
         const departments = this.getDepartmentsForTransfer();
 
-        const priorities = {
-            'low': 0,
-            'medium': 1,
-            'high': 2
-        };
-        const priorityList = [
-            {content: i18n('LOW')},
-            {content: i18n('MEDIUM')},
-            {content: i18n('HIGH')}
-        ];
-
         return (
             <div className="ticket-viewer__headers">
                 <div className="ticket-viewer__info">
@@ -169,15 +158,11 @@ class TicketViewer extends React.Component {
                         <div className="ticket-viewer__info-header">{i18n('DEPARTMENT')}</div>
                         <div className="ticket-viewer__info-value">
                             <DepartmentDropdown className="ticket-viewer__editable-dropdown"
-                                    departments={departments}
-                                    selectedIndex={_.findIndex(departments, {id: this.props.ticket.department.id})}
-                                    onChange={this.onDepartmentDropdownChanged.bind(this)} />
+                                departments={departments}
+                                selectedIndex={_.findIndex(departments, {id: this.props.ticket.department.id})}
+                                onChange={this.onDepartmentDropdownChanged.bind(this)} />
                         </div>
                     </div>
-                    <div className="ticket-viewer__info-container-editable">
-                        <div className="ticket-viewer__info-header">{i18n('AUTHOR')}</div>
-                        <div className="ticket-viewer__info-value">{ticket.author.name}</div>
-                    </div>
                     <div className="ticket-viewer__info-container-editable">
                         <div className="ticket-viewer__info-header">{i18n('TAGS')}</div>
                         <div className="ticket-viewer__info-value">
@@ -189,25 +174,18 @@ class TicketViewer extends React.Component {
                                 loading={this.state.tagSelectorLoading}/>
                         </div>
                     </div>
-                </div>
-
-                <div className="ticket-viewer__info">
-                    <div className="ticket-viewer__info-container-editable">
-                        <div className="ticket-viewer__info-header">{i18n('PRIORITY')}</div>
-                        <div className="ticket-viewer__info-value">
-                            <DropDown
-                                className="ticket-viewer__editable-dropdown"
-                                items={priorityList}
-                                selectedIndex={priorities[ticket.priority]}
-                                onChange={this.onPriorityDropdownChanged.bind(this)} />
-                        </div>
-                    </div>
                     <div className="ticket-viewer__info-container-editable">
                         <div className="ticket-viewer__info-header">{i18n('OWNER')}</div>
                         <div className="ticket-viewer__info-value">
                             {this.renderAssignStaffList()}
                         </div>
                     </div>
+                </div>
+                <div className="ticket-viewer__info">
+                <div className="ticket-viewer__info-container-editable">
+                        <div className="ticket-viewer__info-header">{i18n('AUTHOR')}</div>
+                        <div className="ticket-viewer__info-value">{ticket.author.name}</div>
+                    </div>
                     <div className="ticket-viewer__info-container-editable">
                         <div className="ticket-viewer__info-header">{i18n('STATUS')}</div>
                             <div className="ticket-viewer__info-value">
@@ -224,11 +202,6 @@ class TicketViewer extends React.Component {
 
     renderHeaders() {
         const ticket = this.props.ticket;
-        const priorities = {
-            'low': 'LOW',
-            'medium': 'MEDIUM',
-            'high': 'HIGH'
-        };
 
         return (
             <div className="ticket-viewer__headers">
@@ -250,12 +223,6 @@ class TicketViewer extends React.Component {
                     </div>
                 </div>
                 <div className="ticket-viewer__info">
-                    <div className="ticket-viewer__info-container">
-                        <div className="ticket-viewer__info-header">{i18n('PRIORITY')}</div>
-                        <div className="ticket-viewer__info-value">
-                            {i18n(priorities[this.props.ticket.priority || 'low'])}
-                        </div>
-                    </div>
                     <div className="ticket-viewer__info-container">
                         <div className="ticket-viewer__info-header">{i18n('OWNER')}</div>
                         <div className="ticket-viewer__info-value">
@@ -417,10 +384,6 @@ class TicketViewer extends React.Component {
         AreYouSure.openModal(null, this.changeDepartment.bind(this, event.index));
     }
 
-    onPriorityDropdownChanged(event) {
-        AreYouSure.openModal(null, this.changePriority.bind(this, event.index));
-    }
-
     onAssignmentChange(event) {
         AreYouSure.openModal(null, this.assingTo.bind(this, event.index));
     }
@@ -522,22 +485,6 @@ class TicketViewer extends React.Component {
         }).then(this.onTicketModification.bind(this));
     }
 
-    changePriority(index) {
-        const priorities = [
-            'low',
-            'medium',
-            'high'
-        ];
-
-        return API.call({
-            path: '/ticket/change-priority',
-            data: {
-                ticketNumber: this.props.ticket.ticketNumber,
-                priority: priorities[index]
-            }
-        }).then(this.onTicketModification.bind(this));
-    }
-
     addTag(tag) {
         this.setState({
             tagSelectorLoading: true,
diff --git a/client/src/app-components/ticket-viewer.scss b/client/src/app-components/ticket-viewer.scss
index 9a2662f1..53249046 100644
--- a/client/src/app-components/ticket-viewer.scss
+++ b/client/src/app-components/ticket-viewer.scss
@@ -67,7 +67,7 @@
         justify-content: space-between;
         align-items: flex-start;
         background-color: $light-grey;
-        padding: 0 15px;
+        padding: 0 15px 30px 15px;
 
         &-container {
             display: flex;
diff --git a/client/src/core-components/autocomplete.scss b/client/src/core-components/autocomplete.scss
index ee62c256..45cc37ee 100644
--- a/client/src/core-components/autocomplete.scss
+++ b/client/src/core-components/autocomplete.scss
@@ -1,7 +1,6 @@
 @import "../scss/vars";
 
 .autocomplete {
-    margin-bottom: 30px;
     text-align: left;
     display: inline-block;
 
diff --git a/client/src/core-components/tag-selector.scss b/client/src/core-components/tag-selector.scss
index b8afb6b3..ab583470 100644
--- a/client/src/core-components/tag-selector.scss
+++ b/client/src/core-components/tag-selector.scss
@@ -1,7 +1,6 @@
 @import '../scss/vars';
 
 .tag-selector{
-  margin-bottom: 30px;
   text-align: left;
 
   &__drop-down {
diff --git a/client/src/data/fixtures/staff-fixtures.js b/client/src/data/fixtures/staff-fixtures.js
index f78fa530..359b459d 100644
--- a/client/src/data/fixtures/staff-fixtures.js
+++ b/client/src/data/fixtures/staff-fixtures.js
@@ -33,7 +33,6 @@ module.exports = [
                             language: 'en',
                             unread: true,
                             closed: false,
-                            priority: 'low',
                             author: {
                                 id: 12,
                                 name: 'Haskell Curry',
@@ -97,17 +96,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '20150413',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: '',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '20150511',
@@ -153,7 +141,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'medium',
                             author: {
                                 name: 'Haskell Curry',
                                 email: 'haskell@lambda.com'
@@ -214,17 +201,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '20150413',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: '',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '20150511',
@@ -270,7 +246,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'high',
                             author: {
                                 name: 'Haskell Curry',
                                 email: 'haskell@lambda.com'
@@ -331,17 +306,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '20150413',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: '',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '20150511',
@@ -387,7 +351,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'low',
                             author: {
                                 id: 12,
                                 name: 'Haskell Curry',
@@ -426,7 +389,6 @@ module.exports = [
                         language: 'en',
                         unread: true,
                         closed: false,
-                        priority: 'low',
                         author: {
                             id: 12,
                             name: 'Haskell Curry',
@@ -490,17 +452,6 @@ module.exports = [
                                     staff: false
                                 }
                             },
-                            {
-                                type: 'PRIORITY_CHANGED',
-                                date: '201504130402',
-                                content: 'MEDIUM',
-                                author: {
-                                    name: 'Emilia Clarke',
-                                    email: 'jobs@steve.com',
-                                    profilePic: '',
-                                    staff: true
-                                }
-                            },
                             {
                                 type: 'COMMENT',
                                 date: '201505110405',
@@ -546,7 +497,6 @@ module.exports = [
                         language: 'en',
                         unread: false,
                         closed: false,
-                        priority: 'medium',
                         author: {
                             name: 'Haskell Curry',
                             email: 'haskell@lambda.com'
@@ -607,17 +557,6 @@ module.exports = [
                                     staff: false
                                 }
                             },
-                            {
-                                type: 'PRIORITY_CHANGED',
-                                date: '201504132240',
-                                content: 'MEDIUM',
-                                author: {
-                                    name: 'Emilia Clarke',
-                                    email: 'jobs@steve.com',
-                                    profilePic: '',
-                                    staff: true
-                                }
-                            },
                             {
                                 type: 'COMMENT',
                                 date: '201505112241',
@@ -663,7 +602,6 @@ module.exports = [
                         language: 'en',
                         unread: false,
                         closed: false,
-                        priority: 'high',
                         author: {
                             name: 'Haskell Curry',
                             email: 'haskell@lambda.com'
@@ -724,17 +662,6 @@ module.exports = [
                                     staff: false
                                 }
                             },
-                            {
-                                type: 'PRIORITY_CHANGED',
-                                date: '201504132305',
-                                content: 'MEDIUM',
-                                author: {
-                                    name: 'Emilia Clarke',
-                                    email: 'jobs@steve.com',
-                                    profilePic: '',
-                                    staff: true
-                                }
-                            },
                             {
                                 type: 'COMMENT',
                                 date: '201505112306',
@@ -780,7 +707,6 @@ module.exports = [
                         language: 'en',
                         unread: false,
                         closed: false,
-                        priority: 'low',
                         author: {
                             id: 12,
                             name: 'Haskell Curry',
@@ -818,7 +744,6 @@ module.exports = [
                         language: 'en',
                         unread: true,
                         closed: false,
-                        priority: 'low',
                         author: {
                             id: 12,
                             name: 'Haskell Curry',
@@ -845,7 +770,6 @@ module.exports = [
                         language: 'en',
                         unread: true,
                         closed: false,
-                        priority: 'low',
                         author: {
                             id: 12,
                             name: 'Haskell Curry',
@@ -872,7 +796,6 @@ module.exports = [
                         language: 'en',
                         unread: true,
                         closed: false,
-                        priority: 'low',
                         author: {
                             id: 12,
                             name: 'Haskell Curry',
@@ -911,7 +834,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'low',
                             author: {
                                 id: 12,
                                 name: 'Haskell Curry',
@@ -952,7 +874,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'low',
                             author: {
                                 id: 12,
                                 name: 'Haskell Curry',
@@ -1110,15 +1031,6 @@ module.exports = [
                             "id": "1"
                         }
                     },
-                    {
-                        "type": "PRIORITY_CHANGED",
-                        "ticketNumber": "683061",
-                        "author": {
-                            "name": "Emilia Clarke",
-                            "staff": true,
-                            "id": "1"
-                        }
-                    },
                     {
                         "type": "ASSIGN",
                         "ticketNumber": "683061",
@@ -1155,15 +1067,6 @@ module.exports = [
                             "id": "1"
                         }
                     },
-                    {
-                        "type": "PRIORITY_CHANGED",
-                        "ticketNumber": "608120",
-                        "author": {
-                            "name": "Emilia Clarke",
-                            "staff": true,
-                            "id": "1"
-                        }
-                    }
                 ]
             };
         }
diff --git a/client/src/data/fixtures/ticket-fixtures.js b/client/src/data/fixtures/ticket-fixtures.js
index 8acb7d3d..33ff8c59 100644
--- a/client/src/data/fixtures/ticket-fixtures.js
+++ b/client/src/data/fixtures/ticket-fixtures.js
@@ -108,7 +108,6 @@ module.exports = [
                     unread: false,
                     unreadStaff: true,
                     closed: false,
-                    priority: 'medium',
                     tags: [],
                     author: {
                         id: '3',
@@ -172,17 +171,6 @@ module.exports = [
                                 staff: false
                             }
                         },
-                        {
-                            type: 'PRIORITY_CHANGED',
-                            date: '201504131002',
-                            content: 'MEDIUM',
-                            author: {
-                                name: 'Emilia Clarke',
-                                email: 'jobs@steve.com',
-                                profilePic: 'http://www.opensupports.com/profilepic.jpg',
-                                staff: true
-                            }
-                        },
                         {
                             type: 'COMMENT',
                             date: '201505111003',
diff --git a/client/src/data/fixtures/user-fixtures.js b/client/src/data/fixtures/user-fixtures.js
index e74cee45..830ec6d1 100644
--- a/client/src/data/fixtures/user-fixtures.js
+++ b/client/src/data/fixtures/user-fixtures.js
@@ -174,7 +174,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'low',
                             author: {
                                 name: 'Haskell Curry',
                                 email: 'haskell@lambda.com'
@@ -235,17 +234,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '201504130035',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: 'http://www.opensupports.com/profilepic.jpg',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '201505110110',
@@ -395,7 +383,6 @@ module.exports = [
                             language: 'en',
                             unread: true,
                             closed: false,
-                            priority: 'low',
                             author: {
                                 id: 12,
                                 name: 'Haskell Curry',
@@ -459,17 +446,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '201504130755',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: 'http://www.opensupports.com/profilepic.jpg',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '201505110759',
@@ -514,7 +490,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'medium',
                             author: {
                                 name: 'Haskell Curry',
                                 email: 'haskell@lambda.com'
@@ -562,17 +537,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '201504130943',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: 'http://www.opensupports.com/profilepic.jpg',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '201505110955',
@@ -617,7 +581,6 @@ module.exports = [
                             language: 'en',
                             unread: false,
                             closed: false,
-                            priority: 'high',
                             author: {
                                 name: 'Haskell Curry',
                                 email: 'haskell@lambda.com'
@@ -678,17 +641,6 @@ module.exports = [
                                         staff: false
                                     }
                                 },
-                                {
-                                    type: 'PRIORITY_CHANGED',
-                                    date: '201504131119',
-                                    content: 'MEDIUM',
-                                    author: {
-                                        name: 'Emilia Clarke',
-                                        email: 'jobs@steve.com',
-                                        profilePic: 'http://www.opensupports.com/profilepic.jpg',
-                                        staff: true
-                                    }
-                                },
                                 {
                                     type: 'COMMENT',
                                     date: '201505111121',
diff --git a/client/src/data/languages/br.js b/client/src/data/languages/br.js
index f26961cb..30541683 100644
--- a/client/src/data/languages/br.js
+++ b/client/src/data/languages/br.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Configurações avançadas',
     'EMAIL_TEMPLATES': 'Modelos de e-mail',
     'FILTERS_CUSTOM_FIELDS': 'Filtros e campos personalizados',
-    'PRIORITY': 'Prioridade',
     'NUMBER': 'Número',
     'HIGH': 'Alto',
     'MEDIUM': 'Médio',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'Chamado criado',
     'ACTIVITY_RE_OPEN': 'Chamado reaberto',
     'ACTIVITY_DEPARTMENT_CHANGED': 'Mudou departamento do Chamado',
-    'ACTIVITY_PRIORITY_CHANGED': 'Prioridade alterada do Chamado',
     'ACTIVITY_EDIT_COMMENT': 'editado um comentário de bilhete',
 
     'ACTIVITY_EDIT_SETTINGS': 'Configurações editadas',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'criou este chamado',
     'ACTIVITY_RE_OPEN_THIS': 'reabriu este chamado',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'departamento deste chamado alterado para',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'alterou a prioridade deste chamado para',
     'DATE_PREFIX': 'em',
     'LEFT_EMPTY_DATABASE': 'Deixe vazio para criação automática do banco de dados',
     'DEFAULT_PORT': 'Deixar vazio para 3306 como padrão',
diff --git a/client/src/data/languages/cn.js b/client/src/data/languages/cn.js
index adf8ffcb..676c3a4c 100644
--- a/client/src/data/languages/cn.js
+++ b/client/src/data/languages/cn.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': '高級設置',
     'EMAIL_TEMPLATES': '電子郵件模板',
     'FILTERS_CUSTOM_FIELDS': '過濾器和自定義字段',
-    'PRIORITY': '優先',
     'NUMBER': '數',
     'HIGH': '高',
     'MEDIUM': '中間',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': '創建的票',
     'ACTIVITY_RE_OPEN': '重開機票',
     'ACTIVITY_DEPARTMENT_CHANGED': '改變機票',
-    'ACTIVITY_PRIORITY_CHANGED': '更改票的優先級',
     'ACTIVITY_EDIT_COMMENT': '编辑票的评论',
 
     'ACTIVITY_EDIT_SETTINGS': '編輯設置',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': '創建了這張票',
     'ACTIVITY_RE_OPEN_THIS': '重新打開這張票',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': '改變這張票的部門 ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': '將此票的優先級更改為',
     'DATE_PREFIX': '在',
     'LEFT_EMPTY_DATABASE': '留空为自动创建数据库',
     'DEFAULT_PORT': '默认为空,为3306',
diff --git a/client/src/data/languages/de.js b/client/src/data/languages/de.js
index 7429475a..ed541299 100644
--- a/client/src/data/languages/de.js
+++ b/client/src/data/languages/de.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Erweiterte Einstellungen',
     'EMAIL_TEMPLATES': 'E-Mail-Vorlagen',
     'FILTERS_CUSTOM_FIELDS': 'Filter und benutzerdefinierte Felder',
-    'PRIORITY': 'Priorität',
     'NUMBER': 'Nummer',
     'HIGH': 'Hoch',
     'MEDIUM': 'Mittel',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'Ticket erstellt',
     'ACTIVITY_RE_OPEN': 'Ticket wieder geöffnet',
     'ACTIVITY_DEPARTMENT_CHANGED': 'Abteilung des Tickets wurde geändert.',
-    'ACTIVITY_PRIORITY_CHANGED': 'Priorität des Tickets wurde geändert.',
     'ACTIVITY_EDIT_COMMENT': 'Kommentar von Ticket bearbeitet',
 
     'ACTIVITY_EDIT_SETTINGS': 'Einstellungen',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'hat dieses Ticket erstellt',
     'ACTIVITY_RE_OPEN_THIS': 'hat dieses Ticket wieder geöffnet',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'hat die Abteilung dieses Tickets geändert',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'hat die Priorität dieses Tickets geändert',
     'DATE_PREFIX': 'am',
     'LEFT_EMPTY_DATABASE': 'Leer lassen für automatische Datenbankerstellung.',
     'REMEMBER_ME': 'Merken',
diff --git a/client/src/data/languages/en.js b/client/src/data/languages/en.js
index d7ff064f..5126a422 100644
--- a/client/src/data/languages/en.js
+++ b/client/src/data/languages/en.js
@@ -62,7 +62,6 @@ export default {
     'ADVANCED_SETTINGS': 'Advanced Settings',
     'EMAIL_TEMPLATES': 'Email Templates',
     'FILTERS_CUSTOM_FIELDS': 'Filters and Custom Fields',
-    'PRIORITY': 'Priority',
     'NUMBER': 'Number',
     'HIGH': 'High',
     'MEDIUM': 'Medium',
@@ -240,7 +239,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'created ticket',
     'ACTIVITY_RE_OPEN': 'reopened ticket',
     'ACTIVITY_DEPARTMENT_CHANGED': 'changed department of ticket',
-    'ACTIVITY_PRIORITY_CHANGED': 'changed priority of ticket',
     'ACTIVITY_EDIT_COMMENT': 'edited a comment of ticket',
     'ACTIVITY_EDIT_TITLE': 'edited title of ticket',
     'ACTIVITY_EDIT_SETTINGS': 'edited settings',
@@ -438,7 +436,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'created this ticket',
     'ACTIVITY_RE_OPEN_THIS': 'reopened this ticket',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'changed department of this ticket to ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'changed priority of this ticket to',
     'DATE_PREFIX': 'on',
     'LEFT_EMPTY_DATABASE': 'Leave empty for automatic database creation',
     'DEFAULT_PORT': 'Leave empty for 3306 as default',
diff --git a/client/src/data/languages/es.js b/client/src/data/languages/es.js
index dcea629d..d58dac04 100644
--- a/client/src/data/languages/es.js
+++ b/client/src/data/languages/es.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Opciones Avanzadas',
     'EMAIL_TEMPLATES': 'Plantillas de Correo Electrónico',
     'FILTERS_CUSTOM_FIELDS': 'Filtros y Campos Personalizados',
-    'PRIORITY': 'Prioridad',
     'NUMBER': 'Número',
     'HIGH': 'Alta',
     'MEDIUM': 'Media',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'creó el ticket',
     'ACTIVITY_RE_OPEN': 'reabrió el ticket',
     'ACTIVITY_DEPARTMENT_CHANGED': 'cambió el departamento del ticket',
-    'ACTIVITY_PRIORITY_CHANGED': 'cambió la prioridad del ticket',
     'ACTIVITY_EDIT_COMMENT': 'editó un comentario del ticket',
 
     'ACTIVITY_EDIT_SETTINGS': 'editó las preferencias',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'creó este ticket',
     'ACTIVITY_RE_OPEN_THIS': 'reabrió este ticket',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'cambió el departamento de este ticket a ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'cambió la prioridad de este ticket a ',
     'DATE_PREFIX': 'el día',
     'LEFT_EMPTY_DATABASE': 'Dejar vacío para la creación automática de bases de datos',
     'REMEMBER_ME': 'Recordarme',
diff --git a/client/src/data/languages/fr.js b/client/src/data/languages/fr.js
index d8bab22d..a394fb33 100644
--- a/client/src/data/languages/fr.js
+++ b/client/src/data/languages/fr.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Réglages avancés',
     'EMAIL_TEMPLATES': 'Modèles de courrier électronique',
     'FILTERS_CUSTOM_FIELDS': 'Filtres et champs personnalisés',
-    'PRIORITY': 'Priorité',
     'NUMBER': 'Nombre',
     'HIGH': 'Haute',
     'MEDIUM': 'Moyenne',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'ticket créé',
     'ACTIVITY_RE_OPEN': 'ticket réouvert',
     'ACTIVITY_DEPARTMENT_CHANGED': 'a changé de département le ticket',
-    'ACTIVITY_PRIORITY_CHANGED': 'a changé la priorité du ticket',
     'ACTIVITY_EDIT_COMMENT': 'édité un commentaire du billet',
 
     'ACTIVITY_EDIT_SETTINGS': 'a modifié les paramètres',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'a créé ce ticket',
     'ACTIVITY_RE_OPEN_THIS': 'a réouvert ce ticket',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'a changé le département de ce ticket pour',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'a changé la priorité de ce ticket pour',
     'DATE_PREFIX': 'le',
     'LEFT_EMPTY_DATABASE': 'Laisser vide pour la création automatique de la base de données',
     'DEFAULT_PORT': 'Laisser vide pour 3306 par défaut',
diff --git a/client/src/data/languages/gr.js b/client/src/data/languages/gr.js
index 2a365619..00bbe64a 100644
--- a/client/src/data/languages/gr.js
+++ b/client/src/data/languages/gr.js
@@ -61,7 +61,6 @@
     'ADVANCED_SETTINGS': 'Προηγμένες Ρυθμίσεις',
     'EMAIL_TEMPLATES': 'Πρότυπα Ηλεκτρονικού Ταχυδρομείου',
     'FILTERS_CUSTOM_FIELDS': 'Φίλτρα και Προσαρμοσμένα Πεδία',
-    'PRIORITY': 'Προτεραιότητα',
     'NUMBER': 'Αριθμός',
     'HIGH': 'Υψηλός',
     'MEDIUM': 'Μέτριος',
@@ -238,7 +237,6 @@
     'ACTIVITY_CREATE_TICKET': 'δημιουργημένο εισιτήριο',
     'ACTIVITY_RE_OPEN': 'ανοιγμένο ξανά εισιτήριο',
     'ACTIVITY_DEPARTMENT_CHANGED': 'αλλαγή τμήματος εισιτηρίου',
-    'ACTIVITY_PRIORITY_CHANGED': 'αλλαγή προτεραιότητας εισιτηρίου',
     'ACTIVITY_EDIT_COMMENT': 'επεξεργαστεί ένα σχόλιο του εισιτηρίου',
 
     'ACTIVITY_EDIT_SETTINGS': 'τροποποιημένες ρυθμίσεις',
@@ -439,7 +437,6 @@
     'ACTIVITY_CREATE_TICKET_THIS': 'δημιουργήθηκε αυτό το εισιτήριο',
     'ACTIVITY_RE_OPEN_THIS': 'άνοιξε εκ νέου αυτό το εισιτήριο',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'άλλαξε το τμήμα αυτού του εισιτηρίου',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'αλλαγή της προτεραιότητας αυτού του εισιτηρίου',
     'DATE_PREFIX': 'ενεργό',
     'LEFT_EMPTY_DATABASE': 'Αφέθηκε κενό για αυτόματη δημιουργία βάσης δεδομένων',
     'DEFAULT_PORT': 'Αφήστε κενό για 3306 ως προεπιλογή',
diff --git a/client/src/data/languages/in.js b/client/src/data/languages/in.js
index 25524d87..6f2753cd 100644
--- a/client/src/data/languages/in.js
+++ b/client/src/data/languages/in.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'एडवांस सेटिंग',
     'EMAIL_TEMPLATES': 'ईमेल टेम्पलेट्स',
     'FILTERS_CUSTOM_FIELDS': 'फिल्टर और कस्टम फील्ड्स',
-    'PRIORITY': 'प्राथमिकता',
     'NUMBER': 'संख्या',
     'HIGH': 'उच्च',
     'MEDIUM': 'मध्यम',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'बनाया टिकट',
     'ACTIVITY_RE_OPEN': 'फिर से खोल टिकट',
     'ACTIVITY_DEPARTMENT_CHANGED': 'टिकट के बदले विभाग',
-    'ACTIVITY_PRIORITY_CHANGED': 'टिकट के बदले प्राथमिकता',
     'ACTIVITY_EDIT_COMMENT': 'टिकट की एक टिप्पणी संपादित',
 
     'ACTIVITY_EDIT_SETTINGS': 'संपादित सेटिंग्स',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'यह टिकट बनाया',
     'ACTIVITY_RE_OPEN_THIS': 'इस टिकट को फिर से खोल दिया',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'इस टिकट का विभाग बदल दिया गया',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'इस टिकट की प्राथमिकता को बदल दिया',
     'DATE_PREFIX': 'को',
     'LEFT_EMPTY_DATABASE': 'स्वचालित डेटाबेस निर्माण के लिए खाली छोड़ दिया',
     'REMEMBER_ME': 'मुझे याद रखना',
diff --git a/client/src/data/languages/it.js b/client/src/data/languages/it.js
index 479585ae..fe4d98f9 100644
--- a/client/src/data/languages/it.js
+++ b/client/src/data/languages/it.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Impostazioni Avanzate',
     'EMAIL_TEMPLATES': 'Email Templates',
     'FILTERS_CUSTOM_FIELDS': 'Filtri e Campi Personalizzati',
-    'PRIORITY': 'Priorità',
     'NUMBER': 'Numero',
     'HIGH': 'Alta',
     'MEDIUM': 'Media',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'Ticket creato',
     'ACTIVITY_RE_OPEN': 'Ticket riaperto',
     'ACTIVITY_DEPARTMENT_CHANGED': 'Cambio reparto al ticket',
-    'ACTIVITY_PRIORITY_CHANGED': 'Priorità del ticket modificata',
     'ACTIVITY_EDIT_COMMENT': 'a cura di un commento del biglietto',
 
     'ACTIVITY_EDIT_SETTINGS': 'impostazioni modificate',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'ha creato questo ticket',
     'ACTIVITY_RE_OPEN_THIS': 'ha riaperto questo ticket',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'dipartimento del ticket cambiato in ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'priorità del ticket modificata a ',
     'DATE_PREFIX': 'on',
     'LEFT_EMPTY_DATABASE': 'Left empty for automatic database creation',
     'REMEMBER_ME': 'Ricordami la password',
diff --git a/client/src/data/languages/jp.js b/client/src/data/languages/jp.js
index 6752bac5..d6a73cd7 100644
--- a/client/src/data/languages/jp.js
+++ b/client/src/data/languages/jp.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': '高度な設定',
     'EMAIL_TEMPLATES': 'メールテンプレート',
     'FILTERS_CUSTOM_FIELDS': 'フィルタとカスタムフィールド',
-    'PRIORITY': '優先',
     'NUMBER': '数',
     'HIGH': '高い',
     'MEDIUM': 'ミディアム',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'これは、作成されました',
     'ACTIVITY_RE_OPEN': 'チケットがもう一度開かれた',
     'ACTIVITY_DEPARTMENT_CHANGED': '部署が変更されました',
-    'ACTIVITY_PRIORITY_CHANGED': '私たちは、チケットの優先順位を変更する必要があります',
     'ACTIVITY_EDIT_COMMENT': 'チケットのコメントを編集しました',
 
     'ACTIVITY_EDIT_SETTINGS': '編集した設定',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'がこのチケットを作成しました',
     'ACTIVITY_RE_OPEN_THIS': 'がこのチケットを再開しました',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'はこのチケットの部門を ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'がこのチケットの優先順位を',
     'DATE_PREFIX': 'に',
     'LEFT_EMPTY_DATABASE': '自動データベース作成のために空のままにする',
     'REMEMBER_ME': '覚えている',
diff --git a/client/src/data/languages/nl.js b/client/src/data/languages/nl.js
index 4734f06d..8a51730c 100644
--- a/client/src/data/languages/nl.js
+++ b/client/src/data/languages/nl.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Geavanceerde Instellingen',
     'EMAIL_TEMPLATES': 'E-mail Templates',
     'FILTERS_CUSTOM_FIELDS': 'Filters en Aangepaste Velden',
-    'PRIORITY': 'Prioriteit',
     'NUMBER': 'Nummer',
     'HIGH': 'Hoog',
     'MEDIUM': 'Midden',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'heeft een incident aangemaakt',
     'ACTIVITY_RE_OPEN': 'heeft een incident heropend',
     'ACTIVITY_DEPARTMENT_CHANGED': 'heeft de afdeling van incident veranderd',
-    'ACTIVITY_PRIORITY_CHANGED': 'heeft de prioriteit van incident veranderd',
     'ACTIVITY_EDIT_COMMENT': 'bewerkt een reactie van het biljet',
 
     'ACTIVITY_EDIT_SETTINGS': 'Heeft instellingen aangepast',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'heeft dit incident aangemaakt',
     'ACTIVITY_RE_OPEN_THIS': 'heeft dit incident heropend',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'Verander de afdeling van het incident naar ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'Verander de prioriteit van het incident naar ',
     'DATE_PREFIX': 'Op',
     'LEFT_EMPTY_DATABASE': 'Laat leeg voor automatische database vulling',
     'DEFAULT_PORT': 'Laat leeg voor 3306 als standaard',
diff --git a/client/src/data/languages/pl.js b/client/src/data/languages/pl.js
index 0c75f21e..76f402dd 100644
--- a/client/src/data/languages/pl.js
+++ b/client/src/data/languages/pl.js
@@ -58,7 +58,6 @@ export default {
     'ADVANCED_SETTINGS': 'Ustawienia zaawansowane',
     'EMAIL_TEMPLATES': 'Szablony emaili',
     'FILTERS_CUSTOM_FIELDS': 'Filtry i pola własne',
-    'PRIORITY': 'Priorytet',
     'NUMBER': 'Numer',
     'HIGH': 'Wysoki',
     'MEDIUM': 'Średni',
@@ -230,7 +229,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'utworzył zgłoszenie',
     'ACTIVITY_RE_OPEN': 'ponownie otworzył zgłoszenie',
     'ACTIVITY_DEPARTMENT_CHANGED': 'zmienił dział zgłoszenia',
-    'ACTIVITY_PRIORITY_CHANGED': 'zmienił priorytet zgłoszenia',
     'ACTIVITY_EDIT_COMMENT': 'edytowany komentarz biletu',
 
     'ACTIVITY_EDIT_SETTINGS': 'zmienił ustawienia',
@@ -420,7 +418,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'utworzył to zgłoszenie',
     'ACTIVITY_RE_OPEN_THIS': 'otworzył ponownie to zgłoszenie',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'zmienił dział tego zgłoszenia ',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'zmienił priorytet tego zgłoszenia na',
     'DATE_PREFIX': 'w dniu',
     'LEFT_EMPTY_DATABASE': 'Pozostaw puste, by utworzyć bazę danych automatycznie',
     'DEFAULT_PORT': 'Pozostaw puste dla 3306 jako domyślny',
diff --git a/client/src/data/languages/pt.js b/client/src/data/languages/pt.js
index 255718f6..dd97c68a 100644
--- a/client/src/data/languages/pt.js
+++ b/client/src/data/languages/pt.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Configurações avançadas',
     'EMAIL_TEMPLATES': 'Modelos de e-mail',
     'FILTERS_CUSTOM_FIELDS': 'Filtros e campos personalizados',
-    'PRIORITY': 'Prioridade',
     'NUMBER': 'Número',
     'HIGH': 'Alto',
     'MEDIUM': 'Médio',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'Bilhete criado',
     'ACTIVITY_RE_OPEN': 'Bilhete reaberto',
     'ACTIVITY_DEPARTMENT_CHANGED': 'Mudou departamento de bilhete',
-    'ACTIVITY_PRIORITY_CHANGED': 'Prioridade alterada do bilhete',
     'ACTIVITY_EDIT_COMMENT': 'editado um comentário de bilhete',
 
     'ACTIVITY_EDIT_SETTINGS': 'Configurações editadas',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'criado este bilhete',
     'ACTIVITY_RE_OPEN_THIS': 'reaberto este bilhete',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'departamento alterado deste bilhete para',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'alterou a prioridade deste bilhete para',
     'DATE_PREFIX': 'em',
     'LEFT_EMPTY_DATABASE': 'Esquerda vazia para criação automática de banco de dados',
     'REMEMBER_ME': 'Lembrar',
diff --git a/client/src/data/languages/ru.js b/client/src/data/languages/ru.js
index 62c9ee79..e1010332 100644
--- a/client/src/data/languages/ru.js
+++ b/client/src/data/languages/ru.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Расширенные настройки',
     'EMAIL_TEMPLATES': 'Шаблоны электронных сообщений',
     'FILTERS_CUSTOM_FIELDS': 'Фильтры и настраиваемых полей',
-    'PRIORITY': 'приоритет',
     'NUMBER': 'Число',
     'HIGH': 'Высокая',
     'MEDIUM': 'средний',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'создал билет',
     'ACTIVITY_RE_OPEN': 'возобновлено билет на',
     'ACTIVITY_DEPARTMENT_CHANGED': 'Измененный отдел билета',
-    'ACTIVITY_PRIORITY_CHANGED': 'Измененный приоритет билета',
     'ACTIVITY_EDIT_COMMENT': 'редактировал комментарий билета',
 
     'ACTIVITY_EDIT_SETTINGS': 'отредактированные настройки',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'создал этот билет',
     'ACTIVITY_RE_OPEN_THIS': 'снова открыт этот билет',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'изменен отдел этого билета на',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'изменил приоритет этого билета на',
     'DATE_PREFIX': '',
     'LEFT_EMPTY_DATABASE': 'Пусто для автоматического создания базы данных',
     'REMEMBER_ME': 'Запомнить',
diff --git a/client/src/data/languages/tr.js b/client/src/data/languages/tr.js
index 521e84a6..a526cabb 100644
--- a/client/src/data/languages/tr.js
+++ b/client/src/data/languages/tr.js
@@ -61,7 +61,6 @@ export default {
     'ADVANCED_SETTINGS': 'Gelişmiş Ayarlar',
     'EMAIL_TEMPLATES': 'E-posta Şablonları',
     'FILTERS_CUSTOM_FIELDS': 'Filtreler ve Özel Alanlar',
-    'PRIORITY': 'Öncelik',
     'NUMBER': 'Numara',
     'HIGH': 'Yüksek',
     'MEDIUM': 'Orta',
@@ -238,7 +237,6 @@ export default {
     'ACTIVITY_CREATE_TICKET': 'Bilet yarattı',
     'ACTIVITY_RE_OPEN': 'Yeniden açılan bilet',
     'ACTIVITY_DEPARTMENT_CHANGED': 'Değiştirilen bilet dairesi',
-    'ACTIVITY_PRIORITY_CHANGED': 'Biletin önceliği değiştirildi',
     'ACTIVITY_EDIT_COMMENT': 'Bilet bir yorum düzenlenmiş',
 
     'ACTIVITY_EDIT_SETTINGS': 'Düzenlenmiş ayarlar',
@@ -439,7 +437,6 @@ export default {
     'ACTIVITY_CREATE_TICKET_THIS': 'bu bilet oluşturuldu',
     'ACTIVITY_RE_OPEN_THIS': 'bu bilet yeniden açıldı',
     'ACTIVITY_DEPARTMENT_CHANGED_THIS': 'bu biletin bölümünü değiştir',
-    'ACTIVITY_PRIORITY_CHANGED_THIS': 'bu biletin önceliğini değiştirildi',
     'DATE_PREFIX': 'tarihinde',
     'LEFT_EMPTY_DATABASE': 'Otomatik veritabanı oluşturulması için boş bırakıldı',
     'REMEMBER_ME': 'Hatırlamak',
diff --git a/client/src/lib-app/search-tickets-utils.js b/client/src/lib-app/search-tickets-utils.js
index 9cf453b7..9fd16afb 100644
--- a/client/src/lib-app/search-tickets-utils.js
+++ b/client/src/lib-app/search-tickets-utils.js
@@ -16,20 +16,6 @@ const CLOSED_DROPDOWN_INDEXES = {
     CLOSED: 2
 }
 
-const TICKET_PRIORITIES = {
-    ANY: undefined,
-    LOW: [0],
-    MEDIUM: [1],
-    HIGH: [2]
-};
-
-const PRIORITIES_DROPDOWN_INDEXES = {
-    ANY: 0,
-    LOW: 1,
-    MEDIUM: 2,
-    HIGH: 3
-};
-
 export default {
     getAuthorsFromAPI(authors = '') {
         return API.call({
@@ -149,32 +135,11 @@ export default {
 
         return closedDropdownIndex;
     },
-    getPriorityDropdownIndex(_priority) {
-        let priorityDorpDownIndex = PRIORITIES_DROPDOWN_INDEXES.ANY;
-
-        if(_priority !== undefined) {
-            let priority = JSON.parse(_priority)[0];
-            switch(priority) {
-                case TICKET_PRIORITIES.LOW[0]:
-                    priorityDorpDownIndex = PRIORITIES_DROPDOWN_INDEXES.LOW;
-                    break;
-                case TICKET_PRIORITIES.MEDIUM[0]:
-                    priorityDorpDownIndex = PRIORITIES_DROPDOWN_INDEXES.MEDIUM;
-                    break;
-                case TICKET_PRIORITIES.HIGH[0]:
-                    priorityDorpDownIndex = PRIORITIES_DROPDOWN_INDEXES.HIGH;
-                    break;
-            }
-        }
-
-        return priorityDorpDownIndex;
-    },
     transformToFormValue(filters) {
         return {
             ...filters,
             query: filters.query ? filters.query : '',
             closed: this.getClosedDropdowIndex(filters.closed*1),
-            priority: this.getPriorityDropdownIndex(filters.priority),
             departments: JSON.parse(filters.departments),
             owners: JSON.parse(filters.owners),
             tags: JSON.parse(filters.tags),
@@ -182,23 +147,6 @@ export default {
             authors: filters.authors ? JSON.parse(filters.authors) : [],
         };
     },
-    getTicketPrioritiesByDropdownIndex(dropdownIndex) {
-        let priorities = TICKET_PRIORITIES.ANY;
-
-        switch(dropdownIndex) {
-            case PRIORITIES_DROPDOWN_INDEXES.LOW:
-                priorities = TICKET_PRIORITIES.LOW;
-                break;
-            case PRIORITIES_DROPDOWN_INDEXES.MEDIUM:
-                priorities = TICKET_PRIORITIES.MEDIUM;
-                break;
-            case PRIORITIES_DROPDOWN_INDEXES.HIGH:
-                priorities = TICKET_PRIORITIES.HIGH;
-                break;
-        }
-
-        return priorities !== undefined ? JSON.stringify(priorities) : priorities;
-    },
     getTicketStatusByDropdownIndex(dropdownIndex) {
         let status;
 
@@ -224,7 +172,6 @@ export default {
                 ...form,
                 query: form.query !== '' ? form.query : undefined,
                 closed: this.getTicketStatusByDropdownIndex(form.closed),
-                priority: this.getTicketPrioritiesByDropdownIndex(form.priority),
                 departments: form.departments !== undefined ? JSON.stringify(form.departments) : '[]',
                 owners: JSON.stringify(form.owners),
                 tags: JSON.stringify(form.tags),
diff --git a/client/src/reducers/search-filters-reducer.js b/client/src/reducers/search-filters-reducer.js
index 78c038f2..17311703 100644
--- a/client/src/reducers/search-filters-reducer.js
+++ b/client/src/reducers/search-filters-reducer.js
@@ -11,7 +11,6 @@ const DEFAULT_START_DATE = 20170101;
 const DEFAULT_FILTERS = {
     query: undefined,
     closed: undefined,
-    priority: undefined,
     departments: '[]',
     owners: '[]',
     tags: '[]',
@@ -30,7 +29,6 @@ class searchFiltersReducer extends Reducer {
             form: {
                 query: '',
                 closed: 0,
-                priority: 0,
                 departments: [],
                 owners: [],
                 tags: [],
diff --git a/server/controllers/ticket.php b/server/controllers/ticket.php
index 337834f8..ecb5cd84 100755
--- a/server/controllers/ticket.php
+++ b/server/controllers/ticket.php
@@ -15,7 +15,6 @@ $ticketControllers->addController(new GetCustomResponsesController);
 $ticketControllers->addController(new ChangeDepartmentController);
 $ticketControllers->addController(new CloseController);
 $ticketControllers->addController(new ReOpenController);
-$ticketControllers->addController(new ChangePriorityController);
 $ticketControllers->addController(new SeenController);
 $ticketControllers->addController(new DeleteController);
 $ticketControllers->addController(new CreateTagController);
diff --git a/server/controllers/ticket/change-priority.php b/server/controllers/ticket/change-priority.php
deleted file mode 100755
index 013bcc7c..00000000
--- a/server/controllers/ticket/change-priority.php
+++ /dev/null
@@ -1,69 +0,0 @@
-<?php
-use Respect\Validation\Validator as DataValidator;
-
-/**
- * @api {post} /ticket/change-priority Change priority
- * @apiVersion 4.7.0
- *
- * @apiName Change priority
- *
- * @apiGroup Ticket
- *
- * @apiDescription This path changes the priority of a ticket.
- *
- * @apiPermission staff1
- *
- * @apiParam {Number} ticketNumber The number of a ticket.
- * @apiParam {String} priority The new priority of the ticket.
- *
- * @apiUse NO_PERMISSION
- * @apiUse INVALID_TICKET
- * @apiUse INVALID_PRIORITY
- *
- * @apiSuccess {Object} data Empty object
- *
- */
-
-class ChangePriorityController extends Controller {
-    const PATH = '/change-priority';
-    const METHOD = 'POST';
-
-    public function validations() {
-        return [
-            'permission' => 'staff_1',
-            'requestData' => [
-                'ticketNumber' => [
-                    'validation' => DataValidator::validTicketNumber(),
-                    'error' => ERRORS::INVALID_TICKET
-                ],
-                'priority' => [
-                    'validation' => DataValidator::in(['low', 'medium', 'high']),
-                    'error' => ERRORS::INVALID_PRIORITY
-                ]
-            ]
-        ];
-    }
-
-    public function handler() {
-        $ticketNumber = Controller::request('ticketNumber');
-        $priority = Controller::request('priority');
-        $ticket = Ticket::getByTicketNumber($ticketNumber);
-        $user = Controller::getLoggedUser();
-
-        if(!$user->canManageTicket($ticket)) throw new RequestException(ERRORS::NO_PERMISSION);
-
-        $ticket->priority = $priority;
-        $ticket->unread = !$ticket->isAuthor($user);
-        $event = Ticketevent::getEvent(Ticketevent::PRIORITY_CHANGED);
-        $event->setProperties(array(
-            'authorStaff' => Controller::getLoggedUser(),
-            'content' => $ticket->priority,
-            'date' => Date::getCurrentDate()
-        ));
-        $ticket->addEvent($event);
-        $ticket->store();
-
-        Log::createLog('PRIORITY_CHANGED', $ticket->ticketNumber);
-        Response::respondSuccess();
-    }
-}
diff --git a/server/controllers/ticket/search.php b/server/controllers/ticket/search.php
index f912c03c..8700cb44 100644
--- a/server/controllers/ticket/search.php
+++ b/server/controllers/ticket/search.php
@@ -19,7 +19,6 @@ DataValidator::with('CustomValidations', true);
  * @apiParam {Number[]} tags The ids of the tags to make a custom search.
  * @apiParam {Number} closed The status of closed 1 or 0 to make a custom search.
  * @apiParam {Number} unreadStaff The status of unread_staff 1 or 0 to make a custom search.
- * @apiParam {Number[]} priority The values of priority to make a custom search.
  * @apiParam {Number[]} dateRange The numbers of the range of date to make a custom search.
  * @apiParam {Number[]} departments The ids of the departments to make a custom search.
  * @apiParam {Object[]} authors A object {id,staff} with id and boolean to make a custom search.
@@ -33,7 +32,6 @@ DataValidator::with('CustomValidations', true);
  * @apiUse INVALID_TAG_FILTER
  * @apiUse INVALID_CLOSED_FILTER
  * @apiUse INVALID_UNREAD_STAFF_FILTER
- * @apiUse INVALID_PRIORITY_FILTER
  * @apiUse INVALID_DATE_RANGE_FILTER
  * @apiUse INVALID_DEPARTMENT_FILTER
  * @apiUse INVALID_AUTHOR_FILTER
@@ -71,10 +69,6 @@ class SearchController extends Controller {
                     'validation' => DataValidator::oneOf(DataValidator::in(['0','1']),DataValidator::nullType()),
                     'error' => ERRORS::INVALID_UNREAD_STAFF_FILTER
                 ],
-                'priority' => [
-                    'validation' => DataValidator::oneOf(DataValidator::validPriorities(),DataValidator::nullType()),
-                    'error' => ERRORS::INVALID_PRIORITY_FILTER
-                ],
                 'dateRange' => [
                     'validation' => DataValidator::oneOf(DataValidator::validDateRange(),DataValidator::nullType()),
                     'error' => ERRORS::INVALID_DATE_RANGE_FILTER
@@ -118,7 +112,6 @@ class SearchController extends Controller {
             'closed' => Controller::request('closed'),
             'tags' => json_decode(Controller::request('tags')),
             'unreadStaff' => Controller::request('unreadStaff'),
-            'priority' => json_decode(Controller::request('priority')),
             'dateRange' => json_decode(Controller::request('dateRange')),
             'departments' => json_decode(Controller::request('departments')),
             'authors' => json_decode(Controller::request('authors'),true),
@@ -185,7 +178,6 @@ class SearchController extends Controller {
         if(array_key_exists('closed',$inputs)) $this->setClosedFilter($inputs['closed'], $filters);
         if(array_key_exists('assigned',$inputs)) $this->setAssignedFilter($inputs['assigned'], $filters);
         if(array_key_exists('unreadStaff',$inputs)) $this->setSeenFilter($inputs['unreadStaff'], $filters);
-        if(array_key_exists('priority',$inputs)) $this->setPriorityFilter($inputs['priority'], $filters);
         if(array_key_exists('dateRange',$inputs)) $this->setDateFilter($inputs['dateRange'], $filters);
         if(array_key_exists('departments',$inputs) && array_key_exists('allowedDepartments',$inputs) && array_key_exists('staffId',$inputs)){
             $this->setDepartmentFilter($inputs['departments'],$inputs['allowedDepartments'], $inputs['staffId'], $filters);
@@ -224,33 +216,6 @@ class SearchController extends Controller {
             $filters .= "ticket.unread_staff = " . $unreadStaff;
         }
     }
-    private function setPriorityFilter($priorities, &$filters){
-        if($priorities){
-            $first = TRUE;
-            if ($filters != "")  $filters .= " and ";
-            foreach(array_unique($priorities) as $priority) {
-
-                if($first){
-                    $filters .= " ( ";
-                    $first = FALSE;
-                } else {
-                    $filters .= " or ";
-                }
-
-                if($priority == 0){
-                    $filters .= "ticket.priority = 'low'";
-                }elseif($priority == 1){
-                    $filters .= "ticket.priority = 'medium'";
-                }elseif($priority == 2){
-                    $filters .= "ticket.priority = 'high'";
-                }
-
-
-            }
-            $priorities != "" ? $filters .= ") " : null;
-        }
-
-    }
 
     private function setDateFilter($dateRange, &$filters){
        if ($dateRange !== null) {
@@ -397,7 +362,7 @@ class SearchController extends Controller {
         $order =  " ORDER BY ";
         if(array_key_exists('query',$inputs)) $this->setStringOrder($inputs['query'], $order);
         if(array_key_exists('orderBy',$inputs)) $this->setEspecificOrder($inputs['orderBy'], $order);
-        $order .=  "ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.priority desc, ticket.date desc, ticket.id desc";
+        $order .=  "ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.date desc, ticket.id desc";
     }
     private function setEspecificOrder($orderBy, &$order){
         if($orderBy !== null){
diff --git a/server/data/ERRORS.php b/server/data/ERRORS.php
index ee49f7e5..e304c537 100755
--- a/server/data/ERRORS.php
+++ b/server/data/ERRORS.php
@@ -83,10 +83,6 @@
  * @apiDefine TICKET_ALREADY_ASSIGNED
  * @apiError {String} TICKET_ALREADY_ASSIGNED The ticket is already assigned.
  */
-/**
- * @apiDefine INVALID_PRIORITY
- * @apiError {String} INVALID_PRIORITY The priority is invalid.
- */
 /**
  * @apiDefine INVALID_PAGE
  * @apiError {String} INVALID_PAGE The page is invalid.
@@ -115,10 +111,6 @@
  * @apiDefine INVALID_UNREAD_STAFF_FILTER
  * @apiError {String} INVALID_UNREAD_STAFF_FILTER The unread-staff filter is invalid.
  */
-/**
- * @apiDefine INVALID_PRIORITY_FILTER
- * @apiError {String} INVALID_PRIORITY_FILTER The priority filter is invalid.
- */
 /**
  * @apiDefine INVALID_DATE_RANGE_FILTER
  * @apiError {String} INVALID_DATE_RANGE_FILTER The date-range filter is invalid.
@@ -347,7 +339,6 @@ class ERRORS {
     const INVALID_LANGUAGE = 'INVALID_LANGUAGE';
     const INVALID_SUPPORTED_LANGUAGES = 'INVALID_SUPPORTED_LANGUAGES';
     const TICKET_ALREADY_ASSIGNED = 'TICKET_ALREADY_ASSIGNED';
-    const INVALID_PRIORITY = 'INVALID_PRIORITY';
     const INVALID_PAGE = 'INVALID_PAGE';
     const INVALID_QUERY = 'INVALID_QUERY';
     const INVALID_LIST = 'INVALID_LIST';
@@ -355,7 +346,6 @@ class ERRORS {
     const INVALID_TAG_FILTER = 'INVALID_TAG_FILTER';
     const INVALID_CLOSED_FILTER = 'INVALID_CLOSED_FILTER';
     const INVALID_UNREAD_STAFF_FILTER = 'INVALID_UNREAD_STAFF_FILTER';
-    const INVALID_PRIORITY_FILTER = 'INVALID_PRIORITY_FILTER';
     const INVALID_DATE_RANGE_FILTER = 'INVALID_DATE_RANGE_FILTER';
     const INVALID_DEPARTMENT_FILTER = 'INVALID_DEPARTMENT_FILTER';
     const INVALID_AUTHOR_FILTER = 'INVALID_AUTHOR_FILTER';
diff --git a/server/data/db_schema.sql b/server/data/db_schema.sql
index eee1ce58..c1a79ce6 100644
--- a/server/data/db_schema.sql
+++ b/server/data/db_schema.sql
@@ -349,7 +349,6 @@ CREATE TABLE IF NOT EXISTS `ticket` (
   `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
   `ticket_number` int(11) unsigned DEFAULT NULL,
   `unread` tinyint(1) unsigned DEFAULT NULL,
-  `priority` varchar(191) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
   `unread_staff` tinyint(1) unsigned DEFAULT NULL,
   `title` varchar(191) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
   `content` text COLLATE utf8mb4_unicode_ci,
diff --git a/server/libs/validations/validOrderBy.php b/server/libs/validations/validOrderBy.php
index 40babc27..63e2a59d 100644
--- a/server/libs/validations/validOrderBy.php
+++ b/server/libs/validations/validOrderBy.php
@@ -7,7 +7,7 @@ use Respect\Validation\Rules\AbstractRule;
 class ValidOrderBy extends AbstractRule {
     public function validate($orderBy) {
         if(is_object(json_decode($orderBy))){
-        	$values =["closed","owner_id","unread_staff","priority","date"];
+        	$values =["closed","owner_id","unread_staff","date"];
 
             $object = json_decode($orderBy);
 
diff --git a/server/libs/validations/validPriorities.php b/server/libs/validations/validPriorities.php
deleted file mode 100644
index aa3ba658..00000000
--- a/server/libs/validations/validPriorities.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-namespace CustomValidations;
-
-use Respect\Validation\Rules\AbstractRule;
-
-class ValidPriorities extends AbstractRule {
-    public function validate($priorities) {
-    	$PriorityList = json_decode($priorities);
-
-    	if(is_array($PriorityList)){
-			foreach (array_unique($PriorityList) as $priorityId) {
-				if($priorityId != 0 && $priorityId != 1 && $priorityId != 2) return false;
-			}
-	        return true;
-    	}
-    	return false;
-    }
-}
diff --git a/server/models/Ticket.php b/server/models/Ticket.php
index b0abd046..f6962801 100755
--- a/server/models/Ticket.php
+++ b/server/models/Ticket.php
@@ -14,7 +14,6 @@
  * @apiParam {Boolean}  unread Indicates if the user has already read the last comment.
  * @apiParam {Boolean}  unreadStaff Indicates if the staff has already read the last comment.
  * @apiParam {Boolean}  closed Indicates if the ticket is closed.
- * @apiParam {String}  priority The priority of the ticket. It can be LOW, MEDIUM or HIGH.
  * @apiParam {Object}  author The author of the ticket.
  * @apiParam {Number}  author.id The id of the author of the ticket.
  * @apiParam {String}  author.name The author's name of the ticket.
@@ -41,7 +40,6 @@ class Ticket extends DataStore {
             'date',
             'unread',
             'closed',
-            'priority',
             'author',
             'authorStaff',
             'owner',
@@ -90,7 +88,6 @@ class Ticket extends DataStore {
 
     public function getDefaultProps() {
         return array(
-            'priority' => 'low',
             'unread' => false,
             'unreadStaff' => true,
             'ticketNumber' => $this->generateUniqueTicketNumber()
@@ -136,7 +133,6 @@ class Ticket extends DataStore {
             'unread' => !!$this->unread,
             'unreadStaff' => !!$this->unreadStaff,
             'closed' => !!$this->closed,
-            'priority' => $this->priority,
             'author' => $this->authorToArray(),
             'owner' => $this->ownerToArray(),
             'events' => $minimized ? [] : $this->eventsToArray(),
diff --git a/server/models/Ticketevent.php b/server/models/Ticketevent.php
index d89d3c30..03a4e1af 100755
--- a/server/models/Ticketevent.php
+++ b/server/models/Ticketevent.php
@@ -3,7 +3,6 @@
  * @api {OBJECT} TicketEvent TicketEvent
  * @apiVersion 4.7.0
  * @apiGroup Data Structures
- * @apiParam {String}  type The type of the ticket event. It can be COMMENT, ASSIGN, UN_ASSIGN, CLOSE, RE_OPEN, DEPARTMENT_CHANGED or PRIORITY_CHANGED
  * @apiParam {String}  content The content of the ticket event.
  * @apiParam {Object}  author The author of the ticket event.
  * @apiParam {Number}  author.id The author's id of the ticket event.
@@ -25,7 +24,6 @@ class Ticketevent extends DataStore {
     const CLOSE = 'CLOSE';
     const RE_OPEN = 'RE_OPEN';
     const DEPARTMENT_CHANGED = 'DEPARTMENT_CHANGED';
-    const PRIORITY_CHANGED = 'PRIORITY_CHANGED';
 
     private static function getEventTypes() {
         return [
@@ -35,7 +33,6 @@ class Ticketevent extends DataStore {
             'CLOSE',
             'RE_OPEN',
             'DEPARTMENT_CHANGED',
-            'PRIORITY_CHANGED'
         ];
     }
 
diff --git a/server/tests/controllers/ticket/searchTest.php b/server/tests/controllers/ticket/searchTest.php
index eaa6ea73..a87ae085 100644
--- a/server/tests/controllers/ticket/searchTest.php
+++ b/server/tests/controllers/ticket/searchTest.php
@@ -122,37 +122,6 @@ class SearchControllerTest extends TestCase {
         );
     }
 
-    public function testPriorityFilter() {
-
-        $this->assertEquals(
-            $this->searchController->getSQLQuery([
-                'tags' => []
-            ]),
-            'FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) GROUP BY ticket.id'
-        );
-
-        $this->assertEquals(
-            $this->searchController->getSQLQuery([
-                'tags' => [1]
-            ]),
-            'FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) WHERE  ( tag_ticket.tag_id  = 1) GROUP BY ticket.id'
-        );
-
-        $this->assertEquals(
-            $this->searchController->getSQLQuery([
-                'tags' => [2,3]
-            ]),
-            'FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) WHERE  ( tag_ticket.tag_id  = 2 or tag_ticket.tag_id  = 3) GROUP BY ticket.id'
-        );
-
-        $this->assertEquals(
-            $this->searchController->getSQLQuery([
-                'tags' => [1,2,3]
-            ]),
-            'FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) WHERE  ( tag_ticket.tag_id  = 1 or tag_ticket.tag_id  = 2 or tag_ticket.tag_id  = 3) GROUP BY ticket.id'
-        );
-    }
-
     public function testdateRangeFilter() {
         $this->assertEquals(
             $this->searchController->getSQLQuery([
@@ -275,7 +244,7 @@ class SearchControllerTest extends TestCase {
             $this->searchController->getSQLQueryWithOrder([
                 'page' => 1
             ]),
-            "SELECT ticket.id FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) GROUP BY ticket.id ORDER BY ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.priority desc, ticket.date desc, ticket.id desc LIMIT 10 OFFSET 0"
+            "SELECT ticket.id FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) GROUP BY ticket.id ORDER BY ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.date desc, ticket.id desc LIMIT 10 OFFSET 0"
         );
 
         $this->assertEquals(
@@ -283,7 +252,7 @@ class SearchControllerTest extends TestCase {
                 'page' => 1,
                 'query' => 'stark'
             ]),
-            "SELECT ticket.id FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) WHERE  (ticket.title LIKE :query or ticket.content LIKE :query or ticket.ticket_number LIKE :query or (ticketevent.type = 'COMMENT' and ticketevent.content LIKE :query) ) GROUP BY ticket.id ORDER BY CASE WHEN (ticket.ticket_number LIKE :query) THEN 1 WHEN (ticket.title LIKE :queryAtBeginning) THEN 2 WHEN (ticket.title LIKE :query) THEN 3 WHEN ( ticket.content LIKE :query) THEN 4  WHEN (ticketevent.content LIKE :query) THEN 5 END asc, ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.priority desc, ticket.date desc, ticket.id desc LIMIT 10 OFFSET 0"
+            "SELECT ticket.id FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) WHERE  (ticket.title LIKE :query or ticket.content LIKE :query or ticket.ticket_number LIKE :query or (ticketevent.type = 'COMMENT' and ticketevent.content LIKE :query) ) GROUP BY ticket.id ORDER BY CASE WHEN (ticket.ticket_number LIKE :query) THEN 1 WHEN (ticket.title LIKE :queryAtBeginning) THEN 2 WHEN (ticket.title LIKE :query) THEN 3 WHEN ( ticket.content LIKE :query) THEN 4  WHEN (ticketevent.content LIKE :query) THEN 5 END asc, ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.date desc, ticket.id desc LIMIT 10 OFFSET 0"
         );
 
         $this->assertEquals(
@@ -291,7 +260,7 @@ class SearchControllerTest extends TestCase {
                 'page' => 1,
                 'orderBy' => ['value' => 'closed', 'asc' => 1]
             ]),
-            "SELECT ticket.id FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) GROUP BY ticket.id ORDER BY ticket.closed asc,ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.priority desc, ticket.date desc, ticket.id desc LIMIT 10 OFFSET 0"
+            "SELECT ticket.id FROM (ticket LEFT JOIN tag_ticket ON tag_ticket.ticket_id = ticket.id LEFT JOIN ticketevent ON ticketevent.ticket_id = ticket.id) GROUP BY ticket.id ORDER BY ticket.closed asc,ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.date desc, ticket.id desc LIMIT 10 OFFSET 0"
         );
     }
 }
diff --git a/tests/init.rb b/tests/init.rb
index f08b7889..91f3223b 100644
--- a/tests/init.rb
+++ b/tests/init.rb
@@ -41,7 +41,6 @@ require './staff/delete.rb'
 require './staff/assign-ticket.rb'
 require './staff/un-assign-ticket.rb'
 require './staff/get-tickets.rb'
-require './ticket/change-priority.rb'
 require './staff/get-new-tickets.rb'
 require './staff/get-all-tickets.rb'
 require './ticket/events.rb'
diff --git a/tests/ticket/change-priority.rb b/tests/ticket/change-priority.rb
deleted file mode 100644
index cae555f1..00000000
--- a/tests/ticket/change-priority.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-describe '/ticket/change-priority' do
-    request('/user/logout')
-    Scripts.login($staff[:email], $staff[:password], true)
-
-    #TODO: things that Ivan don't forget
-
-    it 'should change priority to high if everything is okey' do
-        ticket = $database.getRow('ticket', 1 , 'id')
-
-        result = request('/ticket/change-priority', {
-            priority:'high',
-            ticketNumber: ticket['ticket_number'],
-            csrf_userid: $csrf_userid,
-            csrf_token: $csrf_token
-        })
-
-        (result['status']).should.equal('success')
-
-        ticket = $database.getRow('ticket', 1 , 'id')
-        (ticket['priority']).should.equal('high')
-        (ticket['unread']).should.equal(1)
-
-        lastLog = $database.getLastRow('log')
-        (lastLog['type']).should.equal('PRIORITY_CHANGED')
-    end
-
-    it 'should change priority to medium if everything is okey' do
-        ticket = $database.getRow('ticket', 1 , 'id')
-
-        result = request('/ticket/change-priority', {
-            priority:'medium',
-            ticketNumber: ticket['ticket_number'],
-            csrf_userid: $csrf_userid,
-            csrf_token: $csrf_token
-        })
-
-        (result['status']).should.equal('success')
-
-        ticket = $database.getRow('ticket', 1 , 'id')
-        (ticket['priority']).should.equal('medium')
-        (ticket['unread']).should.equal(1)
-
-        lastLog = $database.getLastRow('log')
-        (lastLog['type']).should.equal('PRIORITY_CHANGED')
-    end
-
-    it 'should change priority to low if everything is okey' do
-        ticket = $database.getRow('ticket', 1 , 'id')
-
-        result = request('/ticket/change-priority', {
-            priority:'low',
-            ticketNumber: ticket['ticket_number'],
-            csrf_userid: $csrf_userid,
-            csrf_token: $csrf_token
-        })
-
-        (result['status']).should.equal('success')
-
-        ticket = $database.getRow('ticket', 1 , 'id')
-        (ticket['priority']).should.equal('low')
-        (ticket['unread']).should.equal(1)
-
-        lastLog = $database.getLastRow('log')
-        (lastLog['type']).should.equal('PRIORITY_CHANGED')
-    end
-
-end
diff --git a/tests/ticket/create.rb b/tests/ticket/create.rb
index e2eb8834..42523045 100644
--- a/tests/ticket/create.rb
+++ b/tests/ticket/create.rb
@@ -127,7 +127,6 @@ describe '/ticket/create' do
         (ticket['content']).should.equal('The north remembers')
         (ticket['unread']).should.equal(0)
         (ticket['closed']).should.equal(0)
-        (ticket['priority']).should.equal('low')
         (ticket['department_id']).should.equal(1)
         (ticket['author_id']).should.equal($csrf_userid.to_i)
         ((Math.log10(ticket['ticket_number'].to_i)).ceil).should.equal(6)
diff --git a/tests/ticket/events.rb b/tests/ticket/events.rb
index 4688bf3d..43fd25d8 100644
--- a/tests/ticket/events.rb
+++ b/tests/ticket/events.rb
@@ -37,12 +37,6 @@ describe 'Ticket Events' do
             csrf_userid: $csrf_userid,
             csrf_token: $csrf_token
         })
-        request('/ticket/change-priority', {
-            priority: 'medium',
-            ticketNumber: ticketNumber,
-            csrf_userid: $csrf_userid,
-            csrf_token: $csrf_token
-        })
         request('/ticket/change-department', {
             departmentId: 3,
             ticketNumber: ticketNumber,
@@ -92,27 +86,22 @@ describe 'Ticket Events' do
         (result['data']['events'][3]['author']['name']).should.equal('Emilia Clarke')
         (result['data']['events'][3]['author']['staff']).should.equal(true)
 
-        (result['data']['events'][4]['type']).should.equal('PRIORITY_CHANGED')
-        (result['data']['events'][4]['content']).should.equal('medium')
+        (result['data']['events'][4]['type']).should.equal('DEPARTMENT_CHANGED')
+        (result['data']['events'][4]['content']).should.equal('Suggestions')
         (result['data']['events'][4]['author']['name']).should.equal('Emilia Clarke')
         (result['data']['events'][4]['author']['staff']).should.equal(true)
 
-        (result['data']['events'][5]['type']).should.equal('DEPARTMENT_CHANGED')
-        (result['data']['events'][5]['content']).should.equal('Suggestions')
+        (result['data']['events'][5]['type']).should.equal('CLOSE')
         (result['data']['events'][5]['author']['name']).should.equal('Emilia Clarke')
         (result['data']['events'][5]['author']['staff']).should.equal(true)
 
-        (result['data']['events'][6]['type']).should.equal('CLOSE')
-        (result['data']['events'][6]['author']['name']).should.equal('Emilia Clarke')
-        (result['data']['events'][6]['author']['staff']).should.equal(true)
+        (result['data']['events'][6]['type']).should.equal('RE_OPEN')
+        (result['data']['events'][6]['author']['name']).should.equal('Tyrion Lannister')
+        (result['data']['events'][6]['author']['staff']).should.equal(false)
 
-        (result['data']['events'][7]['type']).should.equal('RE_OPEN')
+        (result['data']['events'][7]['type']).should.equal('COMMENT')
+        (result['data']['events'][7]['content']).should.equal('This is a comment made by a regular user')
         (result['data']['events'][7]['author']['name']).should.equal('Tyrion Lannister')
         (result['data']['events'][7]['author']['staff']).should.equal(false)
-
-        (result['data']['events'][8]['type']).should.equal('COMMENT')
-        (result['data']['events'][8]['content']).should.equal('This is a comment made by a regular user')
-        (result['data']['events'][8]['author']['name']).should.equal('Tyrion Lannister')
-        (result['data']['events'][8]['author']['staff']).should.equal(false)
     end
 end
diff --git a/tests/ticket/search.rb b/tests/ticket/search.rb
index 2ae320d6..79689039 100644
--- a/tests/ticket/search.rb
+++ b/tests/ticket/search.rb
@@ -46,28 +46,6 @@ describe '/ticket/search' do
         (result['message']).should.equal('INVALID_UNREAD_STAFF_FILTER')
     end
 
-    it 'should fail if the priority values are invalid' do
-        result = request('/ticket/search', {
-            csrf_userid: $csrf_userid,
-            csrf_token: $csrf_token,
-            page: 1,
-            priority: "[0,1,5,6]"
-        })
-        (result['status']).should.equal('fail')
-        (result['message']).should.equal('INVALID_PRIORITY_FILTER')
-    end
-
-    it 'should fail if the priority' do
-        result = request('/ticket/search', {
-            csrf_userid: $csrf_userid,
-            csrf_token: $csrf_token,
-            page: 1,
-            priority: "[0,1,),hi]"
-        })
-        (result['status']).should.equal('fail')
-        (result['message']).should.equal('INVALID_PRIORITY_FILTER')
-    end
-
     it 'should fail if the dateRange values are invalid' do
         result = request('/ticket/search', {
             csrf_userid: $csrf_userid,
diff --git a/version_upgrades/4.7.0/models/Ticket.php b/version_upgrades/4.7.0/models/Ticket.php
index b0abd046..f6962801 100755
--- a/version_upgrades/4.7.0/models/Ticket.php
+++ b/version_upgrades/4.7.0/models/Ticket.php
@@ -14,7 +14,6 @@
  * @apiParam {Boolean}  unread Indicates if the user has already read the last comment.
  * @apiParam {Boolean}  unreadStaff Indicates if the staff has already read the last comment.
  * @apiParam {Boolean}  closed Indicates if the ticket is closed.
- * @apiParam {String}  priority The priority of the ticket. It can be LOW, MEDIUM or HIGH.
  * @apiParam {Object}  author The author of the ticket.
  * @apiParam {Number}  author.id The id of the author of the ticket.
  * @apiParam {String}  author.name The author's name of the ticket.
@@ -41,7 +40,6 @@ class Ticket extends DataStore {
             'date',
             'unread',
             'closed',
-            'priority',
             'author',
             'authorStaff',
             'owner',
@@ -90,7 +88,6 @@ class Ticket extends DataStore {
 
     public function getDefaultProps() {
         return array(
-            'priority' => 'low',
             'unread' => false,
             'unreadStaff' => true,
             'ticketNumber' => $this->generateUniqueTicketNumber()
@@ -136,7 +133,6 @@ class Ticket extends DataStore {
             'unread' => !!$this->unread,
             'unreadStaff' => !!$this->unreadStaff,
             'closed' => !!$this->closed,
-            'priority' => $this->priority,
             'author' => $this->authorToArray(),
             'owner' => $this->ownerToArray(),
             'events' => $minimized ? [] : $this->eventsToArray(),