diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 4b3c3cd..d898eef 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -18,7 +18,6 @@ sources:
 - https://github.com/longhorn/longhorn-engine
 - https://github.com/longhorn/longhorn-instance-manager
 - https://github.com/longhorn/longhorn-share-manager
-- https://github.com/longhorn/backing-image-manager
 - https://github.com/longhorn/longhorn-manager
 - https://github.com/longhorn/longhorn-ui
 - https://github.com/longhorn/longhorn-tests