--- a/configure.ac
+++ b/configure.ac
@@ -9,8 +9,6 @@
 AC_DEFINE_UNQUOTED([BUILD_DATE], ["`/bin/date`"],
 		   [date wavemon was last configured and built])
 
-CFLAGS="-O2 -Wall"
-
 # wavemon is only supported on Linux, warn user about futile compilations
 AC_CANONICAL_HOST
 case "$host_os" in