diff --git a/Libraries/LibJS/Tests/String.prototype.toLowerCase.js b/Libraries/LibJS/Tests/String.prototype.toLowerCase.js
index f0969cfaf7..a1f6b58993 100644
--- a/Libraries/LibJS/Tests/String.prototype.toLowerCase.js
+++ b/Libraries/LibJS/Tests/String.prototype.toLowerCase.js
@@ -1,7 +1,4 @@
 try {
-    // FIXME: Remove once we have the global String object
-    var String = { prototype: Object.getPrototypeOf("") };
-
     assert(String.prototype.toLowerCase.length === 0);
 
     assert("foo".toLowerCase() === "foo");
diff --git a/Libraries/LibJS/Tests/String.prototype.toUpperCase.js b/Libraries/LibJS/Tests/String.prototype.toUpperCase.js
index 98dba73e5f..2a68e1e770 100644
--- a/Libraries/LibJS/Tests/String.prototype.toUpperCase.js
+++ b/Libraries/LibJS/Tests/String.prototype.toUpperCase.js
@@ -1,7 +1,4 @@
 try {
-    // FIXME: Remove once we have the global String object
-    var String = { prototype: Object.getPrototypeOf("") };
-
     assert(String.prototype.toUpperCase.length === 0);
 
     assert("foo".toUpperCase() === "FOO");