diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91fec26..2201366 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,8 +54,7 @@ target_link_libraries(fast_pauli INTERFACE fmt::fmt mdspan OpenMP::OpenMP_CXX)
 target_compile_options(
   fast_pauli
   INTERFACE -g3
-            -O3
-            -march=native
+            # -O3 -march=native
             -Wall
             -Wextra
             -Werror