diff --git a/Viewer/e.js b/Viewer/e.js
index 8e956315..9d8d7b0a 100644
--- a/Viewer/e.js
+++ b/Viewer/e.js
@@ -9,13 +9,14 @@
 **********************************************************************/
 
 // Global scope pollution test...
-global.__global = {...global}
-global.scopeDiff = function(cur=global, base=__global){
-	return Object.keys(cur)
-		.filter(function(k){ return base[k] !== cur[k] })
-		.reduce(function(res, k){
-			res[k] = cur[k]
-			return res }, {})}
+if(process.env.IMAGEGRID_DEBUG){
+	global.__global = {...global}
+	global.scopeDiff = function(cur=global, base=__global){
+		return Object.keys(cur)
+			.filter(function(k){ return base[k] !== cur[k] })
+			.reduce(function(res, k){
+				res[k] = cur[k]
+				return res }, {})} }
 
 
 /*********************************************************************/
diff --git a/Viewer/ig.js b/Viewer/ig.js
index 496421c3..57446380 100755
--- a/Viewer/ig.js
+++ b/Viewer/ig.js
@@ -9,13 +9,14 @@
 //var DEBUG = DEBUG != null ? DEBUG : true
 
 // Global scope pollution test...
-global.__global = global.__global || {...global}
-global.scopeDiff = function(cur=global, base=__global){
-	return Object.keys(cur)
-		.filter(function(k){ return base[k] !== cur[k] }) 
-		.reduce(function(res, k){
-			res[k] = cur[k]
-			return res }, {})}
+if(process.env.IMAGEGRID_DEBUG){
+	global.__global = global.__global || {...global}
+	global.scopeDiff = function(cur=global, base=__global){
+		return Object.keys(cur)
+			.filter(function(k){ return base[k] !== cur[k] }) 
+			.reduce(function(res, k){
+				res[k] = cur[k]
+				return res }, {})} }
 
 
 /*********************************************************************/
diff --git a/Viewer/index.html b/Viewer/index.html
index b484ae02..6de9e757 100755
--- a/Viewer/index.html
+++ b/Viewer/index.html
@@ -31,7 +31,7 @@
 <!-- Scripts -->
 
 <!-- Global scope pollution test -->
-<script> 
+<!--script> 
 var __window = {...window} 
 function scopeDiff(cur=window, base=__window){
 	return Object.keys(cur)
@@ -40,7 +40,7 @@ function scopeDiff(cur=window, base=__window){
 		.reduce(function(res, k){
 			res[k] = cur[k]
 			return res }, {})}
-</script>
+</script-->
 
 <!-- DevTools fail-safe for electron/nw... -->
 <script>