diff --git a/contrib/actions/install-dependencies.sh b/contrib/actions/install-dependencies.sh
index ccf365b9ae7c922318f2b62ee53ef6db4d52e3a1..5de21c2f7d1209c15709c9e000ef4cac108567bf 100755
--- a/contrib/actions/install-dependencies.sh
+++ b/contrib/actions/install-dependencies.sh
@@ -2,8 +2,6 @@
 
 set -e
 
-cp contrib/actions/sources.list /etc/apt/sources.list
-rm -rf /etc/apt/sources.list.d
 apt-get update
 apt-get install git subversion build-essential python gawk unzip libncurses-dev zlib1g-dev libssl-dev wget time
 apt-get clean
diff --git a/contrib/actions/sources.list b/contrib/actions/sources.list
deleted file mode 100644
index 64c6aae7dd8ce74dddf2f3d71511d60a173a29d1..0000000000000000000000000000000000000000
--- a/contrib/actions/sources.list
+++ /dev/null
@@ -1,2 +0,0 @@
-deb http://mirror.netcologne.de/ubuntu/ bionic main restricted
-deb http://mirror.netcologne.de/ubuntu/ bionic-updates main restricted