diff --git a/configure.ac b/configure.ac
index 0645506..697308b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,8 +65,6 @@ case "$host" in
 	# https://github.com/graywolf/acme-client-portable/pull/5#issuecomment-599510762
 	;;
 *)
-	AX_ADD_CFLAG([-flto])
-	AX_ADD_LDFLAG([-flto])
 	;;
 esac