diff --git a/chart/kubedb/templates/mutating-webhook.yaml b/chart/kubedb/templates/mutating-webhook.yaml
index 90cdca0f6..8d72e785f 100644
--- a/chart/kubedb/templates/mutating-webhook.yaml
+++ b/chart/kubedb/templates/mutating-webhook.yaml
@@ -23,7 +23,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["elasticsearches"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: postgres.mutators.kubedb.com
   clientConfig:
@@ -36,7 +36,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["postgreses"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: mysql.mutators.kubedb.com
   clientConfig:
@@ -49,7 +49,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["mysqls"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: mongodb.mutators.kubedb.com
   clientConfig:
@@ -62,7 +62,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["mongodbs"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: redis.mutators.kubedb.com
   clientConfig:
@@ -75,7 +75,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["redises"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: memcached.mutators.kubedb.com
   clientConfig:
@@ -88,6 +88,6 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["memcacheds"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 {{ end }}
diff --git a/hack/deploy/mutating-webhook.yaml b/hack/deploy/mutating-webhook.yaml
index 74be475ce..07c47a396 100644
--- a/hack/deploy/mutating-webhook.yaml
+++ b/hack/deploy/mutating-webhook.yaml
@@ -17,7 +17,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["elasticsearches"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: postgres.mutators.kubedb.com
   clientConfig:
@@ -30,7 +30,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["postgreses"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: mysql.mutators.kubedb.com
   clientConfig:
@@ -43,7 +43,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["mysqls"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: mongodb.mutators.kubedb.com
   clientConfig:
@@ -56,7 +56,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["mongodbs"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: redis.mutators.kubedb.com
   clientConfig:
@@ -69,7 +69,7 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["redises"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail
 - name: memcached.mutators.kubedb.com
   clientConfig:
@@ -82,5 +82,5 @@ webhooks:
   - apiGroups: ["kubedb.com"]
     apiVersions: ["*"]
     resources: ["memcacheds"]
-    operations: ["CREATE", "UPDATE", "DELETE"]
+    operations: ["CREATE", "UPDATE"]
   failurePolicy: Fail