--- atanks-6.6/Makefile.orig	2021-08-12 02:31:05.000000000 +0200
+++ atanks-6.6/Makefile	2023-12-26 08:18:16.587517659 +0100
@@ -231,8 +231,6 @@ ifeq (YES,$(DEBUG))
     CPPFLAGS := ${CPPFLAGS} -DATANKS_DEBUG_LOGTOFILE
   endif
 
-else
-  CXXFLAGS := -march=native ${CXXFLAGS} -O2
 endif