diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 0f7c09b4756..b57731d1f76 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -833,15 +833,13 @@ namespace ts {
         }
     }
 
-    export function arrayStructurallyIsEqualTo<T>(array1: Array<T>, array2: Array<T>): boolean {
-        if (!array1 || !array2) {
-            return false;
+    export function copyListRemovingItem<T>(item: T, list: T[]) {		
+        let copiedList: T[] = [];
+        for (var i = 0, len = list.length; i < len; i++) {
+            if (list[i] != item) {
+                copiedList.push(list[i]);
+            }
         }
-
-        if (array1.length !== array2.length) {
-            return false;
-        }
-
-        return arrayIsEqualTo(array1.sort(), array2.sort());
+        return copiedList;
     }
 }
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 5d0d1240734..385e5c3123c 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -2407,13 +2407,15 @@ namespace ts {
         }
     }
 
-    export function copyListRemovingItem<T>(item: T, list: T[]) {
-        var copiedList: T[] = [];
-        for (var i = 0, len = list.length; i < len; i++) {
-            if (list[i] != item) {
-                copiedList.push(list[i]);
-            }
+    export function arrayStructurallyIsEqualTo<T>(array1: Array<T>, array2: Array<T>): boolean {
+        if (!array1 || !array2) {
+            return false;
         }
-        return copiedList;
+
+        if (array1.length !== array2.length) {
+            return false;
+        }
+
+        return arrayIsEqualTo(array1.sort(), array2.sort());
     }
 }