--- xnu/xnu-2050.22.13/libkern/c++/OSSet.cpp
+++ xnu/xnu-1699.26.8/libkern/c++/OSSet.cpp
@@ -280,8 +280,6 @@
 
     for ( i = 0; i < count; i++ ) {
         obj1 = aSet->members->getObject(i);
-	if (containsObject(obj1))
-		continue;
         obj2 = members->getObject(i);
         if ( !obj1 || !obj2 )
                 return false;