diff --git a/.travis-functions.sh b/.travis-functions.sh
index badf6b207..efe5f658d 100755
--- a/.travis-functions.sh
+++ b/.travis-functions.sh
@@ -311,6 +311,7 @@ function travis_before_script
 {
 	set -o xtrace
 
+	git clean -xdf
 	./autogen.sh
 	ret=$?