diff --git a/contrib/actions/install-dependencies.sh b/contrib/actions/install-dependencies.sh
index 60e4a9ee9a387b0ed64880c59b6a97d8491b8e4b..fc4c8e96f8b34ca53f4f402dd6593f9d76de0158 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 update
 apt install git subversion build-essential python gawk unzip libncurses5-dev zlib1g-dev libssl-dev wget time
 apt 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