diff --git a/test/e2e/middleware-general/test/index.test.ts b/test/e2e/middleware-general/test/index.test.ts
index 7423cfa1a8d47..79b4a2edd617f 100644
--- a/test/e2e/middleware-general/test/index.test.ts
+++ b/test/e2e/middleware-general/test/index.test.ts
@@ -56,7 +56,6 @@ describe('Middleware Runtime', () => {
           ANOTHER_MIDDLEWARE_TEST: 'asdf2',
           STRING_ENV_VAR: 'asdf3',
           MIDDLEWARE_TEST: 'asdf',
-          NEXT_RUNTIME: 'edge',
         },
       })
     })
diff --git a/test/integration/middleware-prefetch/tests/index.test.js b/test/integration/middleware-prefetch/tests/index.test.js
index c5ee0526f9b8d..215a4d452f223 100644
--- a/test/integration/middleware-prefetch/tests/index.test.js
+++ b/test/integration/middleware-prefetch/tests/index.test.js
@@ -38,7 +38,6 @@ describe('Middleware Production Prefetch', () => {
     context.app = await nextStart(context.appDir, context.appPort, {
       env: {
         MIDDLEWARE_TEST: 'asdf',
-        NEXT_RUNTIME: 'edge',
       },
       onStdout(msg) {
         context.logs.output += msg