diff --git a/charts/argo-workflows/templates/controller/workflow-sa.yaml b/charts/argo-workflows/templates/controller/workflow-sa.yaml
index c3881e40..f88d01dd 100644
--- a/charts/argo-workflows/templates/controller/workflow-sa.yaml
+++ b/charts/argo-workflows/templates/controller/workflow-sa.yaml
@@ -1,23 +1,4 @@
 {{- if .Values.workflow.serviceAccount.create -}}
-
-  {{- /*
-      Cardinality-check the namespaces/namespace variables
-      This type check is done only once, here. It would be overkill to perform it for other RBAC resources as well.
-  */}}
-  {{- if and .Values.controller.workflowNamespaces .Values.workflow.namespace }}
-    {{- fail "Please set either controller.workflowNamespaces or workflow.namespace for the service account, not both" }}
-  {{- end }}
-
-  {{- /*
-      Type-check the namespaces variable for being a list ("slice")
-      This type check is done only once, here. It would be overkill to perform it for other RBAC resources as well.
-    */}}
-  {{- if .Values.controller.workflowNamespaces }}
-    {{- if not ( kindIs "slice" .Values.controller.workflowNamespaces ) }}
-      {{- fail ( printf "workflow.namespaces is a slice, got %s %s" ( kindOf .Values.controller.workflowNamespaces ) .Values.controller.workflowNamespaces ) }}
-    {{- end }}
-  {{- end }}
-
   {{ range $namespace := append .Values.controller.workflowNamespaces .Values.workflow.namespace | compact | uniq }}
 ---
 apiVersion: v1