diff --git a/config/Rules.am b/config/Rules.am
index 37ec127e4c..ecf6c97871 100644
--- a/config/Rules.am
+++ b/config/Rules.am
@@ -1,9 +1,6 @@
-# Default build options
-AM_CFLAGS  = -ggdb -O2 -std=c99
-AM_CFLAGS += -Wall -Wstrict-prototypes -Wshadow -Werror
-
 # FIXME: Quiet warnings not covered by the gcc-* patches.  We should
 # FIXME: consider removing this as soon as we reasonably can.
+AM_CFLAGS  = -Wall -Wstrict-prototypes -Wshadow -Werror
 AM_CFLAGS += -Wno-switch -Wno-unused -Wno-missing-braces
 AM_CFLAGS += -Wno-unknown-pragmas -Wno-parentheses
 AM_CFLAGS += -Wno-uninitialized -fno-strict-aliasing