diff --git a/examples/osgviewerCocoa/English.lproj/MainMenu.nib/classes.nib b/examples/osgviewerCocoa/English.lproj/MainMenu.nib/classes.nib
deleted file mode 100644
index 89622f423..000000000
--- a/examples/osgviewerCocoa/English.lproj/MainMenu.nib/classes.nib
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    IBClasses = (
-        {CLASS = FirstResponder; LANGUAGE = ObjC; SUPERCLASS = NSObject; }, 
-        {
-            ACTIONS = {takeBackgroundColourFrom = id; }; 
-            CLASS = NSColorWell; 
-            LANGUAGE = ObjC; 
-            SUPERCLASS = NSControl; 
-        }, 
-        {
-            ACTIONS = {resetPosition = id; takeBackgroundColorFrom = id; }; 
-            CLASS = ViewerCocoa; 
-            LANGUAGE = ObjC; 
-            SUPERCLASS = NSOpenGLView; 
-        }, 
-        {CLASS = "the_sender"; LANGUAGE = ObjC; SUPERCLASS = NSColorWell; }
-    ); 
-    IBVersion = 1; 
-}
\ No newline at end of file
diff --git a/examples/osgviewerCocoa/English.lproj/MainMenu.nib/info.nib b/examples/osgviewerCocoa/English.lproj/MainMenu.nib/info.nib
deleted file mode 100644
index df6300f6e..000000000
--- a/examples/osgviewerCocoa/English.lproj/MainMenu.nib/info.nib
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IBDocumentLocation</key>
-	<string>189 249 528 286 0 0 1280 1002 </string>
-	<key>IBEditorPositions</key>
-	<dict>
-		<key>213</key>
-		<string>539 268 236 724 0 0 1280 1002 </string>
-		<key>29</key>
-		<string>39 393 338 44 0 0 1280 1002 </string>
-	</dict>
-	<key>IBFramework Version</key>
-	<string>446.1</string>
-	<key>IBOpenObjects</key>
-	<array>
-		<integer>213</integer>
-		<integer>29</integer>
-		<integer>231</integer>
-		<integer>21</integer>
-	</array>
-	<key>IBSystem Version</key>
-	<string>8P135</string>
-</dict>
-</plist>
diff --git a/examples/osgviewerCocoa/English.lproj/MainMenu.nib/keyedobjects.nib b/examples/osgviewerCocoa/English.lproj/MainMenu.nib/keyedobjects.nib
deleted file mode 100644
index da2ad8748..000000000
Binary files a/examples/osgviewerCocoa/English.lproj/MainMenu.nib/keyedobjects.nib and /dev/null differ