remove duplicate code (#4153)
remove duplicate code (#4153)


sunny4381/shirasagi,ShinjiTanimoto/shirasagi,ShinjiTanimoto/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,sunny4381/shirasagi