diff --git a/microceph/ceph/services.go b/microceph/ceph/services.go
index d2393e34..07f2d35c 100644
--- a/microceph/ceph/services.go
+++ b/microceph/ceph/services.go
@@ -217,6 +217,15 @@ func removeServiceDatabase(s interfaces.StateInterface, service string) error {
 			return fmt.Errorf("failed to remove service from db %q: %w", service, err)
 		}
 
+		// Clear mon host entry from config table.
+		if service == "mon" {
+			key := fmt.Sprintf("mon.host.%s", s.ClusterState().Name())
+			err = database.DeleteConfigItem(ctx, tx, key)
+			if err != nil {
+				return err
+			}
+		}
+
 		return nil
 	})
 	return err