diff --git a/.travis.yml b/.travis.yml
index 392c509ca..8083c7772 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,11 +4,7 @@ dist: trusty
 sudo: false
 addons:
   apt:
-    sources:
-    - ubuntu-toolchain-r-test
     packages:
-    - gcc-5
-    - g++-5
     - libmysqlclient-dev
     - libperl-dev
     - libboost-dev