diff --git a/k8s/external-dns/overlays/configuration.yaml b/k8s/external-dns/overlays/configuration.yaml
index 57b6392..51936cd 100644
--- a/k8s/external-dns/overlays/configuration.yaml
+++ b/k8s/external-dns/overlays/configuration.yaml
@@ -12,7 +12,6 @@
     - --provider=aws
     - --registry=txt
     - --source=ingress
-    - --source=service
     - --txt-prefix=fmifrruf_ # Random string for hardener TXT entries
 - op: replace
   path: /spec/template/spec/containers/0/env