diff --git a/lite/operators/CMakeLists.txt b/lite/operators/CMakeLists.txt
index eaf30845e56f8ad26c170a94d8b81f39889ee486..db0b8c6971b67f5af6423b04fc871c30eda72c6b 100644
--- a/lite/operators/CMakeLists.txt
+++ b/lite/operators/CMakeLists.txt
@@ -98,7 +98,6 @@ add_operator(reduce_prod_op_lite extra SRCS reduce_prod_op.cc DEPS ${op_DEPS})
 add_operator(sequence_reshape_op_lite extra SRCS sequence_reshape_op.cc DEPS ${op_DEPS})
 add_operator(sequence_reverse_op_lite extra SRCS sequence_reverse_op.cc DEPS ${op_DEPS})
 add_operator(sequence_pool extra SRCS sequence_pool_op.cc DEPS ${op_DEPS})
-add_operator(sequence_pool_grad extra SRCS sequence_pool_grad_op.cc DEPS ${op_DEPS})
 add_operator(sequence_conv extra SRCS sequence_conv_op.cc DEPS ${op_DEPS})
 add_operator(sequence_pool_concat extra SRCS sequence_pool_concat_op.cc DEPS ${op_DEPS})
 add_operator(sequence_reverse_embedding_op_lite extra SRCS sequence_reverse_embedding_op.cc DEPS ${op_DEPS})