--- a/configure.ac
+++ b/configure.ac
@@ -28,8 +28,6 @@ AC_CONFIG_FILES([Makefile
                  modules/Makefile
                  src/Makefile])
 
-CFLAGS="-pedantic -Wall -O2"
-
 # Enabling/disabling asserts and debugging
 AC_MSG_CHECKING(whether to enable debugging)
 AC_ARG_ENABLE(debug, [  --enable-debug=[no/yes] turn on debugging