diff --git a/setup-sshd.sh b/setup-sshd.sh
index 3bb3da1..6a4574c 100755
--- a/setup-sshd.sh
+++ b/setup-sshd.sh
@@ -15,7 +15,6 @@ chmod 600 /tmp/.ssh/authorized_keys
 chown -R 1000:1000 /tmp
 
 if [ -S /var/run/docker.sock ]; then
-  DOCKER_GROUP=$(stat -c '%G' /var/run/docker.sock)
   DOCKER_GROUP_ID=$(stat -c '%g' /var/run/docker.sock)
   groupadd -g "$DOCKER_GROUP_ID" docker
   usermod -aG docker jenkins