diff --git a/tests/playground.html b/tests/playground.html
index 931431a26..d9969cc1b 100644
--- a/tests/playground.html
+++ b/tests/playground.html
@@ -241,7 +241,6 @@ function addToolboxButtonCallbacks() {
     }
   };
   var addVariables = function(button) {
-    workspace.createVariable('1a', '', '1A');
     workspace.createVariable('1b', '', '1B');
     workspace.createVariable('1c', '', '1C');
     workspace.createVariable('2a', '', '2A');