diff --git a/tests/mocha/workspace_svg_test.js b/tests/mocha/workspace_svg_test.js
index 339a19a98..d79707d08 100644
--- a/tests/mocha/workspace_svg_test.js
+++ b/tests/mocha/workspace_svg_test.js
@@ -112,11 +112,6 @@ suite('WorkspaceSvg', function() {
         this.workspace.updateToolbox({'contents': []});
       }.bind(this), 'Existing toolbox has categories.  Can\'t change mode.');
     });
-    test('Passing in string as toolboxdef', function() {
-      var parseToolboxFake = sinon.spy(Blockly.utils.toolbox, 'parseToolboxTree');
-      this.workspace.updateToolbox('<xml><category name="something"></category></xml>');
-      sinon.assert.calledOnce(parseToolboxFake);
-    });
   });
 
   suite('addTopBlock', function() {