diff --git a/.travis.yml b/.travis.yml
index ee2d43d173..6c59666f3a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,8 +12,6 @@ os:
 osx_image: xcode8.2
 addons:
   apt:
-    sources:
-      - debian-sid
     packages:
       - libunwind8
 branches: