diff --git a/paddle/fluid/pir/dialect/op_generator/op_build_gen.py b/paddle/fluid/pir/dialect/op_generator/op_build_gen.py
index 808dd5a3651e9..681afad506148 100644
--- a/paddle/fluid/pir/dialect/op_generator/op_build_gen.py
+++ b/paddle/fluid/pir/dialect/op_generator/op_build_gen.py
@@ -145,13 +145,6 @@ def GenBuildInputArgsStr(
 }
 
 
-def phi_dype_patch(op_class_name, phi_dtype):
-    rtn = phi_dtype
-    if op_class_name == "PowOp":
-        rtn = "paddle::dialect::TransToPhiDataType(x_.type().dyn_cast<paddle::dialect::DenseTensorType>().dtype())"
-    return rtn
-
-
 def GenBuildInserFullForMutableAttribute(
     op_class_name,
     op_attribute_name_list,
@@ -182,8 +175,6 @@ def GenBuildInserFullForMutableAttribute(
                 op_mutable_attribute_type_list[idx][1]
             ]
 
-        phi_dtype = phi_dype_patch(op_class_name, phi_dtype)
-
         if attr_type == "paddle::dialect::IntArrayAttribute":
             build_mutable_attribute += BUILD_INTARRAY_ATTRIBUTE_TEMPLATE.format(
                 attr_name=attr_name, phi_dtype=phi_dtype