diff --git a/src/rollup.config.ts b/src/rollup.config.ts
index d7e0ce6f0b..4d7ccbc02b 100644
--- a/src/rollup.config.ts
+++ b/src/rollup.config.ts
@@ -19,6 +19,7 @@ export const getRollupConfig = (config) => {
     'consola',
     // vue2
     'encoding',
+    'stream',
     'he',
     'resolve',
     'source-map',
diff --git a/src/runtime/mock.ts b/src/runtime/mock.js
similarity index 94%
rename from src/runtime/mock.ts
rename to src/runtime/mock.js
index 5b30aba73a..70415e62eb 100644
--- a/src/runtime/mock.ts
+++ b/src/runtime/mock.js
@@ -22,4 +22,4 @@ function getProxy (name) {
   })
 }
 
-export default getProxy('mock')
+module.exports = getProxy('mock')
diff --git a/src/runtime/vue2.basic.ts b/src/runtime/vue2.basic.ts
deleted file mode 100644
index 4c4bb8eabd..0000000000
--- a/src/runtime/vue2.basic.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-
-import _renderToString from 'vue-server-renderer/basic.js'
-
-export function renderToString (component, context) {
-  return new Promise((resolve, reject) => {
-    _renderToString(component, context, (err, result) => {
-      if (err) {
-        return reject(err)
-      }
-      return resolve(result)
-    })
-  })
-}
diff --git a/src/targets/cloudflare/index.ts b/src/targets/cloudflare/index.ts
index c6d384669b..0839345724 100644
--- a/src/targets/cloudflare/index.ts
+++ b/src/targets/cloudflare/index.ts
@@ -2,11 +2,6 @@ export default {
   entry: require.resolve('./entry'),
   node: false,
   hooks: {
-    config (config) {
-      if (config.nuxt === 2) {
-        config.renderer = 'vue2.basic'
-      }
-    },
     'rollup:before' ({ rollupConfig }) {
       rollupConfig.output.intro =
         'const global = {}; const exports = {}; const module = { exports }; const process = { env: {}, hrtime: () => [0,0]};' +
diff --git a/src/targets/sw/index.ts b/src/targets/sw/index.ts
index c98c22a0b8..6bb68d17fb 100644
--- a/src/targets/sw/index.ts
+++ b/src/targets/sw/index.ts
@@ -11,11 +11,6 @@ export default {
     { src: resolve(__dirname, 'index.html'), dst: '200.html' }
   ],
   hooks: {
-    config (config) {
-      if (config.nuxt === 2) {
-        config.renderer = 'vue2.basic'
-      }
-    },
     'rollup:before' ({ rollupConfig }) {
       rollupConfig.output.intro =
         'const global = {}; const exports = {}; const module = { exports }; const process = { env: {}, hrtime: () => [0,0]};' +