--- libircclient-1.6/configure.in
+++ libircclient-1.6.new/configure.in
@@ -61,9 +61,7 @@ AC_CHECK_FUNCS([localtime_r socket])
 AC_CHECK_LIB(socket, socket, AC_DEFINE(HAVE_SOCKET) LIBS="$LIBS -lsocket")
 
 if test "$use_debug" = "yes"; then
-	CFLAGS="${CFLAGS} -g -DENABLE_DEBUG"
-else
-	CFLAGS="${CFLAGS} -O3"
+	CFLAGS="${CFLAGS} -DENABLE_DEBUG"
 fi
 
 # Choosing the target