diff --git a/mindspore/ccsrc/optimizer/ad/dfunctor.h b/mindspore/ccsrc/optimizer/ad/dfunctor.h
index 598dd95869..13a6d5388b 100644
--- a/mindspore/ccsrc/optimizer/ad/dfunctor.h
+++ b/mindspore/ccsrc/optimizer/ad/dfunctor.h
@@ -61,7 +61,7 @@ struct PrimitiveTotalEqual {
   }
 };
 
-using Registry = std::unordered_map<PrimitivePtr, FuncGraphPtr, PrimitiveHasher, PrimitiveTotalEqual>;
+using Registry = std::unordered_map<PrimitivePtr, FuncGraphPtr, PrimitiveHasher>;
 class KPrim;
 extern KPrim g_k_prims;
 class DFunctor;