diff --git a/packages/next/src/server/next-server.ts b/packages/next/src/server/next-server.ts
index 6fe8d0d6e23dd..0271395ba1d13 100644
--- a/packages/next/src/server/next-server.ts
+++ b/packages/next/src/server/next-server.ts
@@ -146,7 +146,6 @@ function getMiddlewareMatcher(
 
 export default class NextNodeServer extends BaseServer {
   protected middlewareManifestPath: string
-  protected middlewareManifest: MiddlewareManifest | undefined
   private _serverDistDir: string | undefined
   private imageResponseCache?: ResponseCache
   protected renderWorkersPromises?: Promise<void>
@@ -1339,13 +1338,7 @@ export default class NextNodeServer extends BaseServer {
 
   protected getMiddlewareManifest(): MiddlewareManifest | null {
     if (this.minimalMode) return null
-
-    if (this.middlewareManifest) {
-      return this.middlewareManifest
-    }
-
     const manifest: MiddlewareManifest = require(this.middlewareManifestPath)
-    this.middlewareManifest = manifest
     return manifest
   }