diff --git a/.changeset/tame-moons-buy.md b/.changeset/tame-moons-buy.md
new file mode 100644
index 00000000000..ff3d3c69ca0
--- /dev/null
+++ b/.changeset/tame-moons-buy.md
@@ -0,0 +1,5 @@
+---
+"@remix-run/dev": major
+---
+
+remove `serverBuildDirectory` config
diff --git a/packages/remix-dev/config.ts b/packages/remix-dev/config.ts
index ebf28f4c87c..ad1b7c37b65 100644
--- a/packages/remix-dev/config.ts
+++ b/packages/remix-dev/config.ts
@@ -109,14 +109,6 @@ export interface AppConfig {
    */
   server?: string;
 
-  /**
-   * The path to the server build, relative to `remix.config.js`. Defaults to
-   * "build".
-   *
-   * @deprecated Use {@link AppConfig.serverBuildPath} instead.
-   */
-  serverBuildDirectory?: string;
-
   /**
    * The path to the server build file, relative to `remix.config.js`. This file
    * should end in a `.js` extension and should be deployed to your server.
@@ -373,7 +365,10 @@ export async function readConfig(
     warnOnce(errorBoundaryWarning, "v2_errorBoundary");
   }
 
-  let serverBuildPath = resolveServerBuildPath(rootDirectory, appConfig);
+  let serverBuildPath = path.resolve(
+    rootDirectory,
+    appConfig.serverBuildPath ?? "build/index.js"
+  );
   let serverBuildTargetEntryModule = `export * from ${JSON.stringify(
     serverBuildVirtualModule.id
   )};`;
@@ -635,26 +630,6 @@ export function findConfig(
   return undefined;
 }
 
-const resolveServerBuildPath = (
-  rootDirectory: string,
-  appConfig: AppConfig
-) => {
-  let serverBuildPath = "build/index.js";
-
-  // retain deprecated behavior for now
-  if (appConfig.serverBuildDirectory) {
-    warnOnce(serverBuildDirectoryWarning, "serverBuildDirectory");
-
-    serverBuildPath = path.join(appConfig.serverBuildDirectory, "index.js");
-  }
-
-  if (appConfig.serverBuildPath) {
-    serverBuildPath = appConfig.serverBuildPath;
-  }
-
-  return path.resolve(rootDirectory, serverBuildPath);
-};
-
 // @ts-expect-error available in node 12+
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/ListFormat#browser_compatibility
 let listFormat = new Intl.ListFormat("en", {
@@ -662,10 +637,6 @@ let listFormat = new Intl.ListFormat("en", {
   type: "conjunction",
 });
 
-export let serverBuildDirectoryWarning =
-  "⚠️ DEPRECATED: The `serverBuildDirectory` config option is deprecated. " +
-  "Use `serverBuildPath` instead.";
-
 export let serverBuildTargetWarning =
   "⚠️ DEPRECATED: The `serverBuildTarget` config option is deprecated. Use a " +
   "combination of `publicPath`, `serverBuildPath`, `serverConditions`, " +