diff --git a/audio/kaldi_frontend/CMakeLists.txt b/audio/kaldi_frontend/CMakeLists.txt
index 627416023eda4fae4c303348f473da25d7c9b4e8..7cb240aab07340d2b48d20a4f89e2d59ec2fb96d 100644
--- a/audio/kaldi_frontend/CMakeLists.txt
+++ b/audio/kaldi_frontend/CMakeLists.txt
@@ -11,10 +11,5 @@ add_library(kaldi_feature
 )
 target_link_libraries(kaldi_feature kaldi-fbank)
 
-pybind11_add_module(kaldi_featurepy kaldi_feature.cc kaldi_feature_wrapper.cc)
-target_link_libraries(kaldi_featurepy PRIVATE kaldi_feature)
-
-set(bin_name kaldi_feature_main)
-add_executable(${bin_name} ${CMAKE_CURRENT_SOURCE_DIR}/${bin_name}.cc)
-target_include_directories(${bin_name} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
-target_link_libraries(${bin_name} PUBLIC kaldi_feature python3.7m)
+pybind11_add_module(kaldi_frontend kaldi_feature.cc kaldi_feature_wrapper.cc)
+target_link_libraries(kaldi_frontend PRIVATE kaldi_feature)