diff --git a/configure.ac b/configure.ac
index b255acf7..52171400 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,3 @@
-dnl Warning: This is an automatically generated file, do not edit!
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.54])
 AC_INIT([mono-addins], [1.3])