diff --git a/src/app/interfaces/AppLifecycleFnProps.ts b/src/app/interfaces/AppLifecycleFnProps.ts
index 55a7947..5a7aae1 100644
--- a/src/app/interfaces/AppLifecycleFnProps.ts
+++ b/src/app/interfaces/AppLifecycleFnProps.ts
@@ -21,12 +21,6 @@ export interface AppLifecycleFnProps<RegProps = unknown> extends SingleSpaLifecy
      * While for `reqUrl = /a/b/c?d=1` & matched route `/a/b/c` base path will be `/a/b/c`.
      */
     getCurrentBasePath: () => string;
-    /**
-     * Unique application ID, if same app will be rendered twice on a page - it will get different IDs
-     *
-     * @deprecated use `appSdk.appId` instead
-     */
-    appId: string;
     /**
      * App **MUST** use it to propagate all unhandled errors. Usually it's used in app's adapter.
      */
diff --git a/src/server/IlcSdk.ts b/src/server/IlcSdk.ts
index d852215..b7cf3e8 100644
--- a/src/server/IlcSdk.ts
+++ b/src/server/IlcSdk.ts
@@ -59,7 +59,7 @@ export class IlcSdk {
             originalUri = '/';
         }
 
-        let tmpResponseData: internalTypes.TmpResponseData = {};
+        const tmpResponseData: internalTypes.TmpResponseData = {};
 
         const requestData = {
             getCurrentReqHost: () => host,