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diff --git a/‎paddle/fluid/operators/lookup_table_op.cc
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+3-13Lines changed: 3 additions & 13 deletions b/‎paddle/fluid/operators/lookup_table_op.cc
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+3-13Lines changed: 3 additions & 13 deletions
diff --git a/‎paddle/fluid/operators/lookup_table_op.cu
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-261Lines changed: 0 additions & 261 deletions b/‎paddle/fluid/operators/lookup_table_op.cu
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-261Lines changed: 0 additions & 261 deletions
@@ -12,18 +12,19 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. */
 
-#include "paddle/fluid/operators/lookup_table_op.h"
-
 #include <memory>
 
 #include "paddle/fluid/framework/no_need_buffer_vars_inference.h"
+#include "paddle/fluid/framework/op_registry.h"
 #include "paddle/fluid/framework/op_version_registry.h"
 #include "paddle/fluid/framework/var_type_inference.h"
 #include "paddle/phi/common/bfloat16.h"
 
 namespace paddle {
 namespace operators {
 
+constexpr int64_t kNoPadding = -1;
+
 class LookupTableOp : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
@@ -234,17 +235,6 @@ REGISTER_OPERATOR(lookup_table_grad,
                   ops::LookupTableGradOpNoBufferVarsInferer,
                   ops::LookupTableOpGradVarTypeInference);
 
-REGISTER_OP_CPU_KERNEL(lookup_table,
-                       ops::LookupTableKernel<float>,
-                       ops::LookupTableKernel<double>,
-                       ops::LookupTableKernel<int8_t>,
-                       ops::LookupTableKernel<int16_t>,
-                       ops::LookupTableKernel<phi::dtype::bfloat16>);
-REGISTER_OP_CPU_KERNEL(lookup_table_grad,
-                       ops::LookupTableGradKernel<float>,
-                       ops::LookupTableGradKernel<double>,
-                       ops::LookupTableGradKernel<phi::dtype::bfloat16>);
-
 /* ==========================  register checkpoint ===========================*/
 
 REGISTER_OP_VERSION(lookup_table)