diff --git a/certmanager/main.yaml b/certmanager/main.yaml
index a10f7f1..cec9cbb 100644
--- a/certmanager/main.yaml
+++ b/certmanager/main.yaml
@@ -27,7 +27,6 @@ metadata:
   labels:
     app: 'cert-manager'
     app.kubernetes.io/name: 'cert-manager'
-    app.kubernetes.io/instance: 'cert-manager'
     # Generated labels
     app.kubernetes.io/version: "v1.17.0"
 spec:
@@ -348,7 +347,6 @@ metadata:
   labels:
     app: 'cert-manager'
     app.kubernetes.io/name: 'cert-manager'
-    app.kubernetes.io/instance: 'cert-manager'
     # Generated labels
     app.kubernetes.io/version: "v1.17.0"
 spec:
@@ -1131,7 +1129,6 @@ metadata:
   labels:
     app: 'cert-manager'
     app.kubernetes.io/name: 'cert-manager'
-    app.kubernetes.io/instance: 'cert-manager'
     # Generated labels
     app.kubernetes.io/version: "v1.17.0"
 spec:
@@ -4341,7 +4338,6 @@ metadata:
   labels:
     app: 'cert-manager'
     app.kubernetes.io/name: 'cert-manager'
-    app.kubernetes.io/instance: 'cert-manager'
     # Generated labels
     app.kubernetes.io/version: "v1.17.0"
 spec:
@@ -8071,7 +8067,6 @@ metadata:
   labels:
     app: 'cert-manager'
     app.kubernetes.io/name: 'cert-manager'
-    app.kubernetes.io/instance: 'cert-manager'
     app.kubernetes.io/component: "crds"
     # Generated labels
     app.kubernetes.io/version: "v1.17.0"
@@ -11801,7 +11796,6 @@ metadata:
   labels:
     app: 'cert-manager'
     app.kubernetes.io/name: 'cert-manager'
-    app.kubernetes.io/instance: 'cert-manager'
     app.kubernetes.io/component: "crds"
     # Generated labels
     app.kubernetes.io/version: "v1.17.0"