diff --git a/test/built-ins/System/System.js b/test/built-ins/System/System.js
deleted file mode 100644
index fd833bb251..0000000000
--- a/test/built-ins/System/System.js
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright (C) 2016 Jordan Harband. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-esid: sec-system
-description: The System object is an ordinary object.
-info: >
-  The System Object
-
-  The System object is the %System% intrinsic object and the initial value of
-  the System property of the global object. The System object is an ordinary
-  object.
-
-  The System object is not a function object. It does not have a [[Construct]]
-  internal method; it is not possible to use the System object as a constructor
-  with the new operator. The System object also does not have a [[Call]]
-  internal method; it is not possible to invoke the System object as a
-  function.
----*/
-
-assert.sameValue(typeof System, 'object', '`typeof System` is `"object"`');
-
-// System is not callable
-assert.throws(TypeError, function() {
-  System();
-});
-
-// System doesn't have a constructor
-assert.throws(TypeError, function() {
-  new System();
-});
diff --git a/test/built-ins/System/global/global-object.js b/test/built-ins/System/global/global-object.js
deleted file mode 100644
index f697cc732d..0000000000
--- a/test/built-ins/System/global/global-object.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (C) 2016 Jordan Harband. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-esid: sec-system.global
-description: System.global should be the global object
-author: Jordan Harband
-includes: [propertyHelper.js]
----*/
-
-assert.sameValue(this, System.global);
-
-assert.sameValue(Array, System.global.Array);
-assert.sameValue(Boolean, System.global.Boolean);
-assert.sameValue(Date, System.global.Date);
-assert.sameValue(Error, System.global.Error);
-assert.sameValue(Function, System.global.Function);
-assert.sameValue(JSON, System.global.JSON);
-assert.sameValue(Math, System.global.Math);
-assert.sameValue(Number, System.global.Number);
-assert.sameValue(RegExp, System.global.RegExp);
-assert.sameValue(String, System.global.String);
-assert.sameValue(System, System.global.System);
-
-globalVariable = {};
-assert.sameValue(globalVariable, System.global.globalVariable);
diff --git a/test/built-ins/System/global/property-descriptor.js b/test/built-ins/System/global/property-descriptor.js
deleted file mode 100644
index d97df9008f..0000000000
--- a/test/built-ins/System/global/property-descriptor.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (C) 2016 Jordan Harband. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-esid: sec-system.global
-description: System.global should be non-writable, non-enumerable, and configurable
-author: Jordan Harband
-includes: [propertyHelper.js]
----*/
-
-verifyNotEnumerable(System, 'global');
-verifyNotWritable(System, 'global');
-verifyConfigurable(System, 'global');
diff --git a/test/built-ins/System/object-prototype.js b/test/built-ins/System/object-prototype.js
deleted file mode 100644
index 6426e24fd1..0000000000
--- a/test/built-ins/System/object-prototype.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (C) 2016 Jordan Harband. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-esid: system
-description: >
-  The value of the [[Prototype]] internal slot of the System object
-  is the intrinsic object %ObjectPrototype% (19.1.3).
----*/
-
-assert.sameValue(
-  Object.getPrototypeOf(System),
-  Object.prototype,
-  '`Object.getPrototypeOf(System)` returns `Object.prototype`'
-);
diff --git a/test/built-ins/System/properties.js b/test/built-ins/System/properties.js
deleted file mode 100644
index d58513d6f3..0000000000
--- a/test/built-ins/System/properties.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (C) 2016 Jordan Harband. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-esid: system
-description: >
-  System is configurable, writable, and not enumerable.
-info: >
-  17 ECMAScript Standard Built-in Objects
-includes: [propertyHelper.js]
----*/
-
-verifyNotEnumerable(this, 'System');
-verifyWritable(this, 'System');
-verifyConfigurable(this, 'System');