--- CMakeLists.txt.orig	2025-11-05 03:44:04 UTC
+++ CMakeLists.txt
@@ -32,13 +32,6 @@ option(spoa_generate_dispatch "Use SIMDe to generate x
 option(spoa_use_simde_openmp "Use SIMDe support for OpenMP SIMD" OFF)
 option(spoa_generate_dispatch "Use SIMDe to generate x86 dispatch" OFF)
 
-if (NOT spoa_generate_dispatch)
-  if (spoa_optimize_for_portability)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
-  elseif (spoa_optimize_for_native)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
-  endif ()
-endif ()
 if (spoa_use_simde OR
     spoa_use_simde_nonvec OR
     spoa_use_simde_openmp OR
