diff --git a/Foundation/CPArray+KVO.j b/Foundation/CPArray+KVO.j
index d723b7f7e..fa8e1147b 100644
--- a/Foundation/CPArray+KVO.j
+++ b/Foundation/CPArray+KVO.j
@@ -211,6 +211,11 @@
     [self _setRepresentedObject:target];
 }
 
+- (void)removeObject:(id)anObject
+{
+    [self removeObject:anObject inRange:CPMakeRange(0, [self count])];
+}
+
 - (void)removeLastObject
 {
     if(_remove)