diff --git a/database/mariadb/centos/docker/Dockerfile b/database/mariadb/centos/docker/Dockerfile
index 1735f8669..29c213bee 100644
--- a/database/mariadb/centos/docker/Dockerfile
+++ b/database/mariadb/centos/docker/Dockerfile
@@ -1,6 +1,6 @@
 FROM openstackhelm/mariadb:10.2.18
 
-RUN apt-get update && apt-get install -y galera-arbitrator-3
+RUN rm /etc/apt/sources.list.d/mariadb.list  && apt-get update && apt-get install -y galera-arbitrator-3
 
 CMD ["/usr/bin/garbd"]