diff --git a/validate/configure.ac b/validate/configure.ac
index c02ce17ee9..e1f13dbd9b 100644
--- a/validate/configure.ac
+++ b/validate/configure.ac
@@ -288,7 +288,6 @@ po/Makefile.in
 tools/Makefile
 launcher/Makefile
 launcher/apps/Makefile
-launcher/apps/validate/Makefile
 docs/Makefile
 docs/version.entities
 docs/validate/Makefile