diff --git a/cmake/modules/CxxCompilerSetup.cmake b/cmake/modules/CxxCompilerSetup.cmake
index 4411ef3a38..94681d8a11 100644
--- a/cmake/modules/CxxCompilerSetup.cmake
+++ b/cmake/modules/CxxCompilerSetup.cmake
@@ -46,33 +46,3 @@ endif()
 
 # Enable compile commands to compile_commands.json for debugging
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-
-################################################################################
-# Setup AVX2 and AVX512 Flags (for FBGEMM_GPU builds)
-################################################################################
-
-# Set flags for AVX2
-set(AVX2_FLAGS "-mavx2;-mf16c;-mfma;-fopenmp")
-if(NOT FBGEMM_BUILD_VARIANT STREQUAL BUILD_VARIANT_CPU AND WSL_MODE)
-  # NVCC in WSL complains about unknown -mavx options
-  # https://github.com/pytorch/FBGEMM/issues/2135
-  set(AVX2_FLAGS "-Xcompiler;-mavx;-Xcompiler;-mavx2;-Xcompiler;-mf16c;-Xcompiler;-mfma;-fopenmp")
-endif()
-
-# Set flags for AVX512
-set(AVX512_FLAGS "-mavx2;-mf16c;-mfma;-mavx512f;-mavx512bw;-mavx512dq;-mavx512vl;-fopenmp")
-if(NOT FBGEMM_BUILD_VARIANT STREQUAL BUILD_VARIANT_CPU AND WSL_MODE)
-  set(AVX512_FLAGS "-Xcompiler;-mavx2;-Xcompiler;-mf16c;-Xcompiler;-mfma;-Xcompiler;-mavx512f;-Xcompiler;-mavx512bw;-Xcompiler;-mavx512dq;-Xcompiler;-mavx512vl;-fopenmp")
-endif()
-
-BLOCK_PRINT(
-  "AVX2_FLAGS:"
-  ""
-  "${AVX2_FLAGS}"
-)
-
-BLOCK_PRINT(
-  "AVX512_FLAGS:"
-  ""
-  "${AVX512_FLAGS}"
-)