diff --git a/CMakeLists.txt b/CMakeLists.txt
index 810a38bf..3c175ab3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -219,9 +219,6 @@ if(NOT MSVC OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT DISABLE_SSE4)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
 endif()
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:AVX")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX")
-
 if(ENABLE_RENDERDOC_API)
     find_package(RenderDoc 1.6.0 MODULE REQUIRED)
     add_compile_definitions(PANDA3DS_ENABLE_RENDERDOC)