diff --git a/redhat/quagga.spec.in b/redhat/quagga.spec.in
index 4701970..319e507 100644
--- a/redhat/quagga.spec.in
+++ b/redhat/quagga.spec.in
@@ -128,7 +128,6 @@
 %if %vty_group
 	--enable-vty-group=%vty_group \
 %endif
---with-cflags="-O2" \
 --enable-netlink
 
 make %{?_smp_mflags} MAKEINFO="makeinfo --no-split"