diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 41211259c666cf848aeba8fc26b877db3b58dbb6..0adb37b26c60e06500cd5616c84f0a7b39d21e83 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,4 @@
 before_script:
-    - echo "deb http://ftp.us.debian.org/debian unstable main contrib non-free" > /etc/apt/sources.list.d/unstable.list
     - apt-get update
     - apt-get install -y -qq make cmake libboost-test-dev gem 
     - apt-get install -t testing gcc-7