diff --git a/examples/libraries/gridTool.js b/examples/libraries/gridTool.js
index 79ec70b13f..e222ff3adb 100644
--- a/examples/libraries/gridTool.js
+++ b/examples/libraries/gridTool.js
@@ -18,8 +18,6 @@ Grid = function(opts) {
 
     var worldSize = 16384;
 
-    var minorGridWidth = 0.5;
-
     var snapToGrid = false;
 
     var gridOverlay = Overlays.addOverlay("grid", {