diff --git a/configure.ac b/configure.ac
index 1e85f400da..aac5cd895f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@ AH_BOTTOM([
 
 AC_USE_SYSTEM_EXTENSIONS
 
-AM_INIT_AUTOMAKE([1.6 dist-bzip2 dist-xz -Wall color-tests subdir-objects -Wno-obsolete])
+AM_INIT_AUTOMAKE([1.6 dist-bzip2 dist-xz -Wall color-tests subdir-objects])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 CFOPT_WARNING=""