diff --git a/src/config/browser-config.ts b/src/config/browser-config.ts
index 952ebb809..506706b34 100644
--- a/src/config/browser-config.ts
+++ b/src/config/browser-config.ts
@@ -3,8 +3,12 @@ import * as _ from "lodash";
 import type { Test } from "../types";
 import type { CommonConfig } from "./types";
 
+export interface BrowserConfig extends CommonConfig {
+    id: string;
+}
+
 export class BrowserConfig {
-    constructor(browserOptions: CommonConfig) {
+    constructor(browserOptions: CommonConfig & { id: string }) {
         _.extend(this, browserOptions);
     }
 
diff --git a/src/config/types.ts b/src/config/types.ts
index a0fd8f359..89bdbea44 100644
--- a/src/config/types.ts
+++ b/src/config/types.ts
@@ -480,9 +480,3 @@ export interface RuntimeConfig {
 declare module "." {
     export interface Config extends ConfigParsed {}
 }
-
-declare module "./browser-config" {
-    export interface BrowserConfig extends CommonConfig {
-        id: string;
-    }
-}