diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
index 2b2b9089e4eb16..d8160c4a257d3c 100644
--- a/packages/vite/src/node/config.ts
+++ b/packages/vite/src/node/config.ts
@@ -44,7 +44,6 @@ import {
   DEFAULT_ASSETS_RE,
   DEFAULT_CONFIG_FILES,
   DEFAULT_EXTENSIONS,
-  DEFAULT_MAIN_FIELDS,
   ENV_ENTRY
 } from './constants'
 import type { InternalResolveOptions, ResolveOptions } from './plugins/resolve'
@@ -964,7 +963,7 @@ async function bundleConfigFile(
             isRequire: !isESM,
             preferRelative: false,
             tryIndex: true,
-            mainFields: DEFAULT_MAIN_FIELDS,
+            mainFields: [],
             conditions: [],
             dedupe: [],
             extensions: DEFAULT_EXTENSIONS,