diff --git a/configure.ac b/configure.ac
index 316b8f0942..f543a60eab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,3 @@
-w
 # Process this file with autoconf to produce a configure script.
 #
 # Make sure we use autoconf 2.60 to generate the "configure" script,