-#ifdef DEBUG_libfirm
-#define Hash(this,key) ((unsigned)((key)->node_nr))
-#else
-#define Hash(this,key) HASH_PTR(key)
-#endif
-#define KeysEqual(this,key1,key2) (key1) == (key2)
+#define Hash(self,key) ((unsigned)((key)->node_nr))
+#define KeysEqual(self,key1,key2) (key1) == (key2)