diff --git a/packages/next/src/build/webpack-config.ts b/packages/next/src/build/webpack-config.ts
index ab9784c07f91c..0aa226ee8aab1 100644
--- a/packages/next/src/build/webpack-config.ts
+++ b/packages/next/src/build/webpack-config.ts
@@ -1144,7 +1144,9 @@ export default async function getBaseWebpackConfig(
       // However, Webpack's `resource-path` is relative to the app dir.
       // TODO: Either `sourceRoot` should be populated with the root and then we can use `[resource-path]`
       // or we need a way to resolve return `path.relative(sourceMapLocation, info.resourcePath)`
-      devtoolModuleFilenameTemplate: '[absolute-resource-path]',
+      devtoolModuleFilenameTemplate: dev
+        ? '[absolute-resource-path]'
+        : undefined,
       webassemblyModuleFilename: 'static/wasm/[modulehash].wasm',
       hashFunction: 'xxhash64',
       hashDigestLength: 16,