diff --git a/test/backbone.html b/test/backbone.html
index f76e7d910..8b9fa6be6 100644
--- a/test/backbone.html
+++ b/test/backbone.html
@@ -63,7 +63,7 @@
 					}
 					if (skippedAsserts === true) {
 						test.async = false;
-						test.callback = _.noop;
+						test.callback = function() {};
 						test.expected = 0;
 						return;
 					}
diff --git a/test/underscore.html b/test/underscore.html
index dc594ed89..d74021998 100644
--- a/test/underscore.html
+++ b/test/underscore.html
@@ -138,7 +138,7 @@
 					}
 					if (skippedAsserts === true) {
 						test.async = false;
-						test.callback = _.noop;
+						test.callback = function() {};
 						test.expected = 0;
 						return;
 					}