diff --git a/helm/oncall/README.md b/helm/oncall/README.md
index 993f0649e..b5f858077 100644
--- a/helm/oncall/README.md
+++ b/helm/oncall/README.md
@@ -266,7 +266,7 @@ ingress:
   enabled: true
   annotations:
     kubernetes.io/ingress.class: "nginx"
-    cert-manager.io/issuer: "letsencrypt-prod"
+    # cert-manager.io/issuer: "letsencrypt-prod"
 ```
 
 ### Use PostgreSQL instead of MySQL
diff --git a/helm/oncall/values.yaml b/helm/oncall/values.yaml
index 826e0a5be..ed278d230 100644
--- a/helm/oncall/values.yaml
+++ b/helm/oncall/values.yaml
@@ -451,7 +451,7 @@ ingress:
   #  className: ""
   annotations:
     kubernetes.io/ingress.class: "nginx"
-    cert-manager.io/issuer: "letsencrypt-prod"
+    # cert-manager.io/issuer: "letsencrypt-prod"
   tls:
     - hosts:
         - "{{ .Values.base_url }}"