diff --git a/mozilla/camino/PreferencePanes/MVPreferencePaneGroups.strings b/mozilla/camino/PreferencePanes/MVPreferencePaneGroups.strings
deleted file mode 100644
index b410cd0bc55..00000000000
Binary files a/mozilla/camino/PreferencePanes/MVPreferencePaneGroups.strings and /dev/null differ
diff --git a/mozilla/camino/PreferencePanes/MVPreferences.nib/classes.nib b/mozilla/camino/PreferencePanes/MVPreferences.nib/classes.nib
deleted file mode 100644
index aeac16577ff..00000000000
--- a/mozilla/camino/PreferencePanes/MVPreferences.nib/classes.nib
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-    IBClasses = (
-        {CLASS = FirstResponder; LANGUAGE = ObjC; SUPERCLASS = NSObject; }, 
-        {
-            ACTIONS = {showAll = id; showPreferences = id; }; 
-            CLASS = MVPreferencesController; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {
-                groupView = id; 
-                loadingImageView = id; 
-                loadingTextFeld = id; 
-                loadingView = id; 
-                multiView = id; 
-                window = id; 
-            }; 
-            SUPERCLASS = NSObject; 
-        }, 
-        {
-            CLASS = MVPreferencesGroupedIconView; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {preferencesController = id; }; 
-            SUPERCLASS = NSView; 
-        }, 
-        {
-            CLASS = MVPreferencesMultipleIconView; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {preferencesController = id; }; 
-            SUPERCLASS = NSView; 
-        }
-    ); 
-    IBVersion = 1; 
-}
\ No newline at end of file
diff --git a/mozilla/camino/PreferencePanes/MVPreferences.nib/info.nib b/mozilla/camino/PreferencePanes/MVPreferences.nib/info.nib
deleted file mode 100644
index fbed564bb10..00000000000
--- a/mozilla/camino/PreferencePanes/MVPreferences.nib/info.nib
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
-<plist version="0.9">
-<dict>
-	<key>IBDocumentLocation</key>
-	<string>16 36 356 240 0 0 1024 746 </string>
-	<key>IBFramework Version</key>
-	<string>248.0</string>
-	<key>IBOpenObjects</key>
-	<array>
-		<integer>7</integer>
-	</array>
-	<key>IBSystem Version</key>
-	<string>5Q125</string>
-</dict>
-</plist>
diff --git a/mozilla/camino/PreferencePanes/MVPreferences.nib/objects.nib b/mozilla/camino/PreferencePanes/MVPreferences.nib/objects.nib
deleted file mode 100644
index 273ab2bf5c6..00000000000
Binary files a/mozilla/camino/PreferencePanes/MVPreferences.nib/objects.nib and /dev/null differ
diff --git a/mozilla/chimera/PreferencePanes/MVPreferencePaneGroups.strings b/mozilla/chimera/PreferencePanes/MVPreferencePaneGroups.strings
deleted file mode 100644
index b410cd0bc55..00000000000
Binary files a/mozilla/chimera/PreferencePanes/MVPreferencePaneGroups.strings and /dev/null differ
diff --git a/mozilla/chimera/PreferencePanes/MVPreferences.nib/classes.nib b/mozilla/chimera/PreferencePanes/MVPreferences.nib/classes.nib
deleted file mode 100644
index aeac16577ff..00000000000
--- a/mozilla/chimera/PreferencePanes/MVPreferences.nib/classes.nib
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-    IBClasses = (
-        {CLASS = FirstResponder; LANGUAGE = ObjC; SUPERCLASS = NSObject; }, 
-        {
-            ACTIONS = {showAll = id; showPreferences = id; }; 
-            CLASS = MVPreferencesController; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {
-                groupView = id; 
-                loadingImageView = id; 
-                loadingTextFeld = id; 
-                loadingView = id; 
-                multiView = id; 
-                window = id; 
-            }; 
-            SUPERCLASS = NSObject; 
-        }, 
-        {
-            CLASS = MVPreferencesGroupedIconView; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {preferencesController = id; }; 
-            SUPERCLASS = NSView; 
-        }, 
-        {
-            CLASS = MVPreferencesMultipleIconView; 
-            LANGUAGE = ObjC; 
-            OUTLETS = {preferencesController = id; }; 
-            SUPERCLASS = NSView; 
-        }
-    ); 
-    IBVersion = 1; 
-}
\ No newline at end of file
diff --git a/mozilla/chimera/PreferencePanes/MVPreferences.nib/info.nib b/mozilla/chimera/PreferencePanes/MVPreferences.nib/info.nib
deleted file mode 100644
index fbed564bb10..00000000000
--- a/mozilla/chimera/PreferencePanes/MVPreferences.nib/info.nib
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
-<plist version="0.9">
-<dict>
-	<key>IBDocumentLocation</key>
-	<string>16 36 356 240 0 0 1024 746 </string>
-	<key>IBFramework Version</key>
-	<string>248.0</string>
-	<key>IBOpenObjects</key>
-	<array>
-		<integer>7</integer>
-	</array>
-	<key>IBSystem Version</key>
-	<string>5Q125</string>
-</dict>
-</plist>
diff --git a/mozilla/chimera/PreferencePanes/MVPreferences.nib/objects.nib b/mozilla/chimera/PreferencePanes/MVPreferences.nib/objects.nib
deleted file mode 100644
index 273ab2bf5c6..00000000000
Binary files a/mozilla/chimera/PreferencePanes/MVPreferences.nib/objects.nib and /dev/null differ