diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index 9f6c591749..861546730c 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -354,8 +354,7 @@ OpenLayers.Map.prototype = {
         if (newBaseLayer != this.baseLayer) {
           
             // is newBaseLayer an already loaded layer?
-            var foundLayer = (this.layers.indexOf(newBaseLayer) != -1);    
-            if (foundLayer) {
+            if (this.layers.indexOf(newBaseLayer) != -1) {
 
                 // make the old base layer invisible 
                 if (this.baseLayer != null) {