diff --git a/packages/playwright/src/common/config.ts b/packages/playwright/src/common/config.ts
index 3237b71284..ab5e6ca805 100644
--- a/packages/playwright/src/common/config.ts
+++ b/packages/playwright/src/common/config.ts
@@ -17,13 +17,13 @@
 import fs from 'fs';
 import path from 'path';
 import os from 'os';
-import type { Config, Fixtures, Project, ReporterDescription } from '../../types/test';
+import type { Config, ConfigInWorker, Fixtures, Project, ReporterDescription } from '../../types/test';
 import type { Location } from '../../types/testReporter';
 import type { TestRunnerPluginRegistration } from '../plugins';
 import { getPackageJsonPath, mergeObjects } from '../util';
 import type { Matcher } from '../util';
 import type { ConfigCLIOverrides } from './ipc';
-import type { ConfigInWorker, ProjectInWorker } from '../../types/test';
+import type { FullConfig, FullProject } from '../../types/testReporter';
 import { setTransformConfig } from '../transform/transform';
 
 export type ConfigLocation = {
@@ -40,13 +40,13 @@ export type Annotation = { type: string, description?: string };
 export const defaultTimeout = 30000;
 
 export class FullConfigInternal {
-  readonly config: ConfigInWorker;
+  readonly config: FullConfig;
   readonly globalOutputDir: string;
   readonly configDir: string;
   readonly configCLIOverrides: ConfigCLIOverrides;
   readonly ignoreSnapshots: boolean;
   readonly preserveOutputDir: boolean;
-  readonly webServers: Exclude<ConfigInWorker['webServer'], null>[];
+  readonly webServers: NonNullable<ConfigInWorker['webServer']>[];
   readonly plugins: TestRunnerPluginRegistration[];
   readonly projects: FullProjectInternal[] = [];
   cliArgs: string[] = [];
@@ -123,7 +123,7 @@ export class FullConfigInternal {
       this.config.webServer = null;
       this.webServers = webServers;
     } else if (webServers) { // legacy singleton mode
-      this.config.webServer = webServers;
+      this.config.webServer = webServers as NonNullable<ConfigInWorker['webServer']>;
       this.webServers = [webServers];
     } else {
       this.webServers = [];
@@ -158,7 +158,7 @@ export class FullConfigInternal {
 }
 
 export class FullProjectInternal {
-  readonly project: ProjectInWorker;
+  readonly project: FullProject;
   readonly fullConfig: FullConfigInternal;
   readonly fullyParallel: boolean;
   readonly expect: Project['expect'];
@@ -286,6 +286,6 @@ export const defaultReporter = process.env.CI ? 'dot' : 'list';
 
 const configInternalSymbol = Symbol('configInternalSymbol');
 
-export function getProjectId(project: ProjectInWorker): string {
+export function getProjectId(project: FullProject): string {
   return (project as any).__projectId!;
 }
\ No newline at end of file
diff --git a/packages/playwright/types/testReporter.d.ts b/packages/playwright/types/testReporter.d.ts
index 7b5b81fa04..df4fff6cda 100644
--- a/packages/playwright/types/testReporter.d.ts
+++ b/packages/playwright/types/testReporter.d.ts
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import type { TestStatus, Metadata, PlaywrightTestOptions, PlaywrightWorkerOptions, ReporterDescription } from './test';
+import type { TestStatus, Metadata, PlaywrightTestOptions, PlaywrightWorkerOptions, ReporterDescription, ConfigInWorker } from './test';
 export type { TestStatus } from './test';
 
 type UseOptions<TestArgs, WorkerArgs> = Partial<WorkerArgs> & Partial<TestArgs>;
@@ -101,7 +101,7 @@ export interface FullConfig<TestArgs = {}, WorkerArgs = {}> {
   /**
    * See [testConfig.webServer](https://playwright.dev/docs/api/class-testconfig#test-config-web-server).
    */
-  webServer: TestConfigWebServer | null;
+  webServer: NonNullable<ConfigInWorker['webServer']>|null;
   /**
    * Path to the configuration file (if any) used to run the tests.
    */
diff --git a/utils/generate_types/overrides-testReporter.d.ts b/utils/generate_types/overrides-testReporter.d.ts
index 8c6eb0a5e8..40c42d4f34 100644
--- a/utils/generate_types/overrides-testReporter.d.ts
+++ b/utils/generate_types/overrides-testReporter.d.ts
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import type { TestStatus, Metadata, PlaywrightTestOptions, PlaywrightWorkerOptions, ReporterDescription } from './test';
+import type { TestStatus, Metadata, PlaywrightTestOptions, PlaywrightWorkerOptions, ReporterDescription, ConfigInWorker } from './test';
 export type { TestStatus } from './test';
 
 type UseOptions<TestArgs, WorkerArgs> = Partial<WorkerArgs> & Partial<TestArgs>;
@@ -42,7 +42,7 @@ export interface FullConfig<TestArgs = {}, WorkerArgs = {}> {
   shard: { total: number, current: number } | null;
   updateSnapshots: 'all' | 'none' | 'missing';
   workers: number;
-  webServer: TestConfigWebServer | null;
+  webServer: NonNullable<ConfigInWorker['webServer']>|null;
   configFile?: string;
 }
 // [internal] !!! DO NOT ADD TO THIS !!! See prior note.