diff --git a/fontforge.spec b/fontforge.spec
index e1dbbb2..3af5625 100644
--- a/fontforge.spec
+++ b/fontforge.spec
@@ -112,7 +112,6 @@ sed -i 's:FONTFORGE_MODTIME_STR:"%{version}":' fontforgeexe/startui.c
 
 %build
 ./bootstrap --force
-CFLAGS="%{optflags} -O0"
 %configure \
     --disable-static \
     --enable-pyextension \