diff --git a/Source/Scene/Scene.js b/Source/Scene/Scene.js
index ca29d6a67948..71b7d178373a 100644
--- a/Source/Scene/Scene.js
+++ b/Source/Scene/Scene.js
@@ -1744,7 +1744,6 @@ define([
 
         var viewportX = viewport.x;
         var viewportWidth = viewport.width;
-        var width;
 
         if (x === 0.0 || windowCoordinates.x <= 0.0 || windowCoordinates.x >= context.drawingBufferWidth) {
             executeCommandsInViewport(true, scene, passState, backgroundColor, picking);