diff --git a/packages/next/build/index.ts b/packages/next/build/index.ts
index d9c6a555025d6..f73d2e24af505 100644
--- a/packages/next/build/index.ts
+++ b/packages/next/build/index.ts
@@ -543,33 +543,25 @@ export default async function build(
     const webpackBuildStart = process.hrtime()
 
     let result: CompilerResult = { warnings: [], errors: [] }
-    // We run client and server compilation separately when configured for
-    // memory constraint and for serverless to be able to load manifests
-    // produced in the client build
-    if (isLikeServerless || config.experimental.serialWebpackBuild) {
-      await nextBuildSpan
-        .traceChild('run-webpack-compiler')
-        .traceAsyncFn(async () => {
-          const clientResult = await runCompiler(clientConfig)
-          // Fail build if clientResult contains errors
-          if (clientResult.errors.length > 0) {
-            result = {
-              warnings: [...clientResult.warnings],
-              errors: [...clientResult.errors],
-            }
-          } else {
-            const serverResult = await runCompiler(configs[1])
-            result = {
-              warnings: [...clientResult.warnings, ...serverResult.warnings],
-              errors: [...clientResult.errors, ...serverResult.errors],
-            }
+    // We run client and server compilation separately to optimize for memory usage
+    await nextBuildSpan
+      .traceChild('run-webpack-compiler')
+      .traceAsyncFn(async () => {
+        const clientResult = await runCompiler(clientConfig)
+        // Fail build if clientResult contains errors
+        if (clientResult.errors.length > 0) {
+          result = {
+            warnings: [...clientResult.warnings],
+            errors: [...clientResult.errors],
           }
-        })
-    } else {
-      result = await nextBuildSpan
-        .traceChild('run-webpack-compiler')
-        .traceAsyncFn(() => runCompiler(configs))
-    }
+        } else {
+          const serverResult = await runCompiler(configs[1])
+          result = {
+            warnings: [...clientResult.warnings, ...serverResult.warnings],
+            errors: [...clientResult.errors, ...serverResult.errors],
+          }
+        }
+      })
 
     const webpackBuildEnd = process.hrtime(webpackBuildStart)
     if (buildSpinner) {
diff --git a/packages/next/next-server/server/config-shared.ts b/packages/next/next-server/server/config-shared.ts
index 7234dfeda8af2..56dd067f77d45 100644
--- a/packages/next/next-server/server/config-shared.ts
+++ b/packages/next/next-server/server/config-shared.ts
@@ -50,7 +50,6 @@ export type NextConfig = { [key: string]: any } & {
     scriptLoader?: boolean
     stats?: boolean
     externalDir?: boolean
-    serialWebpackBuild?: boolean
     conformance?: boolean
     amp?: {
       optimizer?: any
@@ -115,7 +114,6 @@ export const defaultConfig: NextConfig = {
     scriptLoader: false,
     stats: false,
     externalDir: false,
-    serialWebpackBuild: false,
     turboMode: false,
     eslint: false,
     reactRoot: Number(process.env.NEXT_PRIVATE_REACT_ROOT) > 0,