diff --git a/dipu/torch_dipu/csrc_dipu/vendor/topsrider/TopsGeneratorImpl.cpp b/dipu/torch_dipu/csrc_dipu/vendor/topsrider/TopsGeneratorImpl.cpp
index b324c66e1..52b2800a3 100644
--- a/dipu/torch_dipu/csrc_dipu/vendor/topsrider/TopsGeneratorImpl.cpp
+++ b/dipu/torch_dipu/csrc_dipu/vendor/topsrider/TopsGeneratorImpl.cpp
@@ -10,9 +10,6 @@ class TopsGeneratorImpl : public dipu::DIPUGeneratorImpl {
   TopsGeneratorImpl(at::DeviceIndex device_index): dipu::DIPUGeneratorImpl(device_index) {
   }
 
-  void init_state() const override {
-  }
-
   void set_state(const c10::TensorImpl& state) override {
   }
 
@@ -24,4 +21,4 @@ const at::Generator vendorMakeGenerator(at::DeviceIndex device_index) {
   return at::make_generator<TopsGeneratorImpl>(device_index);
 }
 
-}  // namespace torch_dipu
\ No newline at end of file
+}  // namespace torch_dipu