diff --git a/x-pack/plugins/actions/server/types.ts b/x-pack/plugins/actions/server/types.ts
index b311a602212c7..1caae8166e1ae 100644
--- a/x-pack/plugins/actions/server/types.ts
+++ b/x-pack/plugins/actions/server/types.ts
@@ -31,6 +31,9 @@ export type ActionTypeSecrets = Record<string, unknown>;
 export type ActionTypeParams = Record<string, unknown>;
 
 export interface Services {
+  /**
+   * @deprecated use `scopedClusterClient`
+   */
   callCluster: ILegacyScopedClusterClient['callAsCurrentUser'];
   savedObjectsClient: SavedObjectsClientContract;
   scopedClusterClient: ElasticsearchClient;
diff --git a/x-pack/plugins/alerts/server/types.ts b/x-pack/plugins/alerts/server/types.ts
index 8704068c3e51a..166372ec7c084 100644
--- a/x-pack/plugins/alerts/server/types.ts
+++ b/x-pack/plugins/alerts/server/types.ts
@@ -47,6 +47,9 @@ declare module 'src/core/server' {
 }
 
 export interface Services {
+  /**
+   * @deprecated use `scopedClusterClient`
+   */
   callCluster: ILegacyScopedClusterClient['callAsCurrentUser'];
   savedObjectsClient: SavedObjectsClientContract;
   scopedClusterClient: ElasticsearchClient;