diff --git a/.travis.yml b/.travis.yml
index bc9a0e68..c8f4f288 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 env:
    - TERM=dumb
+   - GROOVY_TURN_OFF_JAVA_WARNINGS=true
 language: java
 dist: trusty
 matrix: