diff --git a/scripts/build_wheel.py b/scripts/build_wheel.py
index de13549d2..f9cd0ab40 100755
--- a/scripts/build_wheel.py
+++ b/scripts/build_wheel.py
@@ -223,10 +223,6 @@ def main(*,
             build_dir /
             "tensorrt_llm/kernels/decoderMaskedMultiheadAttention/decoderXQAImplJIT/nvrtcWrapper/libtensorrt_llm_nvrtc_wrapper.so",
             lib_dir / "libtensorrt_llm_nvrtc_wrapper.so")
-        copy(
-            build_dir /
-            "tensorrt_llm/kernels/decoderMaskedMultiheadAttention/libdecoder_attention.so",
-            lib_dir / "libdecoder_attention.so")
 
     bin_dir = pkg_dir / "bin"
     if bin_dir.exists():