diff --git a/test/built-ins/parseFloat/S15.1.2.3_A1_T7.js b/test/built-ins/parseFloat/S15.1.2.3_A1_T7.js
index 6b52c12509..fd3ab6b665 100644
--- a/test/built-ins/parseFloat/S15.1.2.3_A1_T7.js
+++ b/test/built-ins/parseFloat/S15.1.2.3_A1_T7.js
@@ -17,7 +17,7 @@ assert.sameValue(parseFloat(object), NaN, "{valueOf: function() {return 1}}");
 var object = {valueOf: function() {return 1}, toString: function() {return 0}};
 if (parseFloat(object) !== 0) {
   $ERROR('#2: var object = {valueOf: function() {return 1}, toString: function() {return 0}}; parseFloat(object) === 0. Actual: ' + (parseFloat(object)));
-} 
+}
 
 //CHECK#3
 var object = {valueOf: function() {return 1}, toString: function() {return {}}};
@@ -57,11 +57,11 @@ try {
   var object = {valueOf: function() {return 1}, toString: function() {throw "error"}};
   parseFloat(object);
   $ERROR('#7.1: var object = {valueOf: function() {return 1}, toString: function() {throw "error"}}; parseFloat(object) throw "error". Actual: ' + (parseFloat(object)));
-}  
+}
 catch (e) {
   if (e !== "error") {
     $ERROR('#7.2: var object = {valueOf: function() {return 1}, toString: function() {throw "error"}}; parseFloat(object) throw "error". Actual: ' + (e));
-  } 
+  }
 }
 
 //CHECK#8
@@ -69,9 +69,9 @@ try {
   var object = {valueOf: function() {return {}}, toString: function() {return {}}};
   parseFloat(object);
   $ERROR('#8.1: var object = {valueOf: function() {return {}}, toString: function() {return {}}}; parseFloat(object) throw TypeError. Actual: ' + (parseFloat(object)));
-}  
+}
 catch (e) {
   if ((e instanceof TypeError) !== true) {
     $ERROR('#8.2: var object = {valueOf: function() {return {}}, toString: function() {return {}}}; parseFloat(object) throw TypeError. Actual: ' + (e));
-  } 
+  }
 }
diff --git a/test/built-ins/parseFloat/S15.1.2.3_A2_T10.js b/test/built-ins/parseFloat/S15.1.2.3_A2_T10.js
index 036b0891a3..d17cbca4b3 100644
--- a/test/built-ins/parseFloat/S15.1.2.3_A2_T10.js
+++ b/test/built-ins/parseFloat/S15.1.2.3_A2_T10.js
@@ -16,7 +16,7 @@ var errorCount = 0;
 var uspU = ["\u1680", "\u2000", "\u2001", "\u2002", "\u2003", "\u2004", "\u2005", "\u2006", "\u2007", "\u2008", "\u2009", "\u200A", "\u202F", "\u205F", "\u3000"];
 var uspS = ["1680", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "200A", "202F", "205F", "3000"];
 for (var index = 0; index < uspU.length; index++) {
-  var result = true;  
+  var result = true;
   n = false;
   if (parseFloat(uspU[index] + "1.1") !== parseFloat("1.1")) {
     $ERROR('#1.' +  uspS[index] + ' ');
diff --git a/test/built-ins/parseFloat/S15.1.2.3_A6.js b/test/built-ins/parseFloat/S15.1.2.3_A6.js
index 7764f21ddc..3c99b199a2 100644
--- a/test/built-ins/parseFloat/S15.1.2.3_A6.js
+++ b/test/built-ins/parseFloat/S15.1.2.3_A6.js
@@ -19,31 +19,31 @@ var errorCount = 0;
 var count = 0;
 var indexP;
 var indexO = 0;
-for (var index = 0; index <= 65535; index++) {  
-  if ((index < 0x0030) || (index > 0x0039)) {    
+for (var index = 0; index <= 65535; index++) {
+  if ((index < 0x0030) || (index > 0x0039)) {
     var hex = decimalToHexString(index);
-    if (parseFloat("0.1e1" + String.fromCharCode(index)) !== 1) {       
-      if (indexO === 0) { 
+    if (parseFloat("0.1e1" + String.fromCharCode(index)) !== 1) {
+      if (indexO === 0) {
         indexO = index;
       } else {
-        if ((index - indexP) !== 1) {             
+        if ((index - indexP) !== 1) {
           if ((indexP - indexO) !== 0) {
             var hexP = decimalToHexString(indexP);
             var hexO = decimalToHexString(indexO);
             $ERROR('#' + hexO + '-' + hexP + ' ');
-          } 
+          }
           else {
             var hexP = decimalToHexString(indexP);
             $ERROR('#' + hexP + ' ');
-          }  
+          }
           indexO = index;
-        }         
+        }
       }
       indexP = index;
-      errorCount++;    
-    }   
+      errorCount++;
+    }
     count++;
-  }  
+  }
 }
 
 if (errorCount > 0) {
@@ -54,6 +54,6 @@ if (errorCount > 0) {
   } else {
     var hexP = decimalToHexString(indexP);
     $ERROR('#' + hexP + ' ');
-  }     
+  }
   $ERROR('Total error: ' + errorCount + ' bad Unicode character in ' + count + ' ');
 }
diff --git a/test/built-ins/parseFloat/S15.1.2.3_A7.1.js b/test/built-ins/parseFloat/S15.1.2.3_A7.1.js
index c43eb7d136..5013eea27f 100644
--- a/test/built-ins/parseFloat/S15.1.2.3_A7.1.js
+++ b/test/built-ins/parseFloat/S15.1.2.3_A7.1.js
@@ -19,7 +19,7 @@ var result = true;
 for (var p in parseFloat){
   if (p === "length") {
     result = false;
-  }  
+  }
 }
 
 if (result !== true) {
diff --git a/test/built-ins/parseFloat/S15.1.2.3_A7.5.js b/test/built-ins/parseFloat/S15.1.2.3_A7.5.js
index 4e23bb6306..19984b429b 100644
--- a/test/built-ins/parseFloat/S15.1.2.3_A7.5.js
+++ b/test/built-ins/parseFloat/S15.1.2.3_A7.5.js
@@ -19,7 +19,7 @@ var result = true;
 for (var p in this){
   if (p === "parseFloat") {
     result = false;
-  }  
+  }
 }
 
 if (result !== true) {