diff --git a/pkg/setting/setting_anonymous.go b/pkg/setting/setting_anonymous.go
index 057b82e73a4..53e0830eb86 100644
--- a/pkg/setting/setting_anonymous.go
+++ b/pkg/setting/setting_anonymous.go
@@ -14,7 +14,12 @@ func (cfg *Cfg) readAnonymousSettings() {
 	anonSettings := AnonymousSettings{}
 	anonSettings.Enabled = anonSection.Key("enabled").MustBool(false)
 	anonSettings.OrgName = valueAsString(anonSection, "org_name", "")
+	// Deprecated:
+	// only viewer role is supported
 	anonSettings.OrgRole = valueAsString(anonSection, "org_role", "")
+	if anonSettings.OrgRole != "Viewer" {
+		cfg.Logger.Warn("auth.anonymous.org_role is deprecated, only viewer role is supported")
+	}
 	anonSettings.HideVersion = anonSection.Key("hide_version").MustBool(false)
 	anonSettings.DeviceLimit = anonSection.Key("device_limit").MustInt64(0)
 	cfg.Anonymous = anonSettings