diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7c2acbb..af552ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,9 +84,6 @@ check_cxx_source_compiles("int main(){}" HAS_VERSION_SCRIPT FAIL_REGEX
                           "warning:")
 cmake_pop_check_state()
 
-if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64)
-  add_compile_options(-mavx)
-endif()
 if(CMAKE_SYSTEM_NAME STREQUAL Linux)
   add_link_options(LINKER:--gc-sections)
 endif()