diff --git a/3rd/CMakeLists.txt b/3rd/CMakeLists.txt
index b49403c6c..eeb06eaf2 100644
--- a/3rd/CMakeLists.txt
+++ b/3rd/CMakeLists.txt
@@ -225,7 +225,6 @@ if(NOT wxSQLite3_FOUND OR NOT (WXSQLITE3_HAVE_CODEC OR MMEX_ENCRYPTION_OPTIONAL)
     endif()
 
     if(NOT MSVC) # wxSQLite3 security ext doesn't require C 99 for MSVC
-        set (CMAKE_C_FLAGS "-msse4.2 -maes")
         if(";${CMAKE_C_COMPILE_FEATURES};" MATCHES ";c_std_99;")
             target_compile_features(SQLite3 PRIVATE c_std_99)
         elseif(";${CMAKE_C_COMPILE_FEATURES};" MATCHES ";c_restrict;")