diff --git a/dev-packages/browser-integration-tests/tsconfig.json b/dev-packages/browser-integration-tests/tsconfig.json
index 6c252887a736..2587befcce14 100644
--- a/dev-packages/browser-integration-tests/tsconfig.json
+++ b/dev-packages/browser-integration-tests/tsconfig.json
@@ -5,7 +5,8 @@
     "lib": ["dom", "es2019"],
     "moduleResolution": "node",
     "noEmit": true,
-    "strict": true
+    "strict": true,
+    "allowSyntheticDefaultImports": true
   },
   "include": ["**/*.ts"],
   "exclude": ["node_modules"]
diff --git a/packages/nextjs/src/config/loaders/types.ts b/packages/nextjs/src/config/loaders/types.ts
index 8e03a57ade36..c4facd590844 100644
--- a/packages/nextjs/src/config/loaders/types.ts
+++ b/packages/nextjs/src/config/loaders/types.ts
@@ -1,4 +1,4 @@
-import type webpack from 'webpack';
+import type * as webpack from 'webpack';
 
 export type LoaderThis<Options> = {
   /**
diff --git a/packages/node/src/proxy/index.ts b/packages/node/src/proxy/index.ts
index 4129a9f65cd7..15c700ed3e62 100644
--- a/packages/node/src/proxy/index.ts
+++ b/packages/node/src/proxy/index.ts
@@ -28,7 +28,6 @@
 
 /* eslint-disable @typescript-eslint/explicit-member-accessibility */
 /* eslint-disable @typescript-eslint/no-unused-vars */
-import assert from 'assert';
 import type * as http from 'http';
 import type { OutgoingHttpHeaders } from 'http';
 import * as net from 'net';
@@ -190,8 +189,6 @@ export class HttpsProxyAgent<Uri extends string> extends Agent {
     // Need to wait for the "socket" event to re-play the "data" events.
     req.once('socket', (s: net.Socket) => {
       debug('Replaying proxy buffer for failed request');
-      assert(s.listenerCount('data') > 0);
-
       // Replay the "buffered" Buffer onto the fake `socket`, since at
       // this point the HTTP module machinery has been hooked up for
       // the user.
diff --git a/tsconfig.json b/tsconfig.json
index d09ccd93c76f..fb4ced9fa77d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,7 +2,6 @@
   "extends": "./packages/typescript/tsconfig.json",
 
   "compilerOptions": {
-    "allowSyntheticDefaultImports": true,
     "declaration": false,
     "declarationMap": false,
     "skipLibCheck": true,