diff --git a/applications/applications.yaml b/applications/applications.yaml
index f9e9039..552f2c2 100644
--- a/applications/applications.yaml
+++ b/applications/applications.yaml
@@ -50,6 +50,7 @@ spec:
     targetRevision: HEAD
   syncPolicy:
     automated:
+      prune: true
 ---
 apiVersion: argoproj.io/v1alpha1
 kind: Application