diff --git a/apps/overlays/au-syd1/externaldns/values.yaml b/apps/overlays/au-syd1/externaldns/values.yaml
index 9bcfbe5..fa807c2 100644
--- a/apps/overlays/au-syd1/externaldns/values.yaml
+++ b/apps/overlays/au-syd1/externaldns/values.yaml
@@ -25,7 +25,6 @@ sources:
   - service
   - ingress
   - gateway-httproute
-  - gateway-tlsroute
   - gateway-grpcroute
 
 # Environment variables for TSIG secret and algorithm from Vault