diff --git a/packages/dev-middleware/src/__tests__/getDevToolsFrontendUrl-test.js b/packages/dev-middleware/src/__tests__/getDevToolsFrontendUrl-test.js
index eb89cec16b54b8..fe49f764c26fd6 100644
--- a/packages/dev-middleware/src/__tests__/getDevToolsFrontendUrl-test.js
+++ b/packages/dev-middleware/src/__tests__/getDevToolsFrontendUrl-test.js
@@ -20,7 +20,6 @@ describe('getDevToolsFrontendUrl', () => {
     enableNetworkInspector: false,
     enableNewDebugger: false,
     enableOpenDebuggerRedirect: false,
-    useFuseboxInternalBranding: false,
   };
 
   describe('relative: false, launchId: undefined (default)', () => {
diff --git a/packages/dev-middleware/src/createDevMiddleware.js b/packages/dev-middleware/src/createDevMiddleware.js
index f120f73d961e17..8766811b8885ba 100644
--- a/packages/dev-middleware/src/createDevMiddleware.js
+++ b/packages/dev-middleware/src/createDevMiddleware.js
@@ -129,6 +129,5 @@ function getExperiments(config: ExperimentsConfig): Experiments {
     enableNewDebugger: config.enableNewDebugger ?? false,
     enableOpenDebuggerRedirect: config.enableOpenDebuggerRedirect ?? false,
     enableNetworkInspector: config.enableNetworkInspector ?? false,
-    useFuseboxInternalBranding: config.useFuseboxInternalBranding ?? false,
   };
 }
diff --git a/packages/dev-middleware/src/types/Experiments.js b/packages/dev-middleware/src/types/Experiments.js
index 68abf0249f2fce..c5c2c9af439b07 100644
--- a/packages/dev-middleware/src/types/Experiments.js
+++ b/packages/dev-middleware/src/types/Experiments.js
@@ -28,12 +28,6 @@ export type Experiments = $ReadOnly<{
    * Enables the Network panel when launching the custom debugger frontend.
    */
   enableNetworkInspector: boolean,
-
-  /**
-   * [Meta-internal] Controls visibility of the internal "Fusebox" codename
-   * across the UI when using the modern `rn_fusebox` entry point.
-   */
-  useFuseboxInternalBranding: boolean,
 }>;
 
 export type ExperimentsConfig = Partial<Experiments>;
diff --git a/packages/dev-middleware/src/utils/getDevToolsFrontendUrl.js b/packages/dev-middleware/src/utils/getDevToolsFrontendUrl.js
index 11584a01c25c43..ab61784f765939 100644
--- a/packages/dev-middleware/src/utils/getDevToolsFrontendUrl.js
+++ b/packages/dev-middleware/src/utils/getDevToolsFrontendUrl.js
@@ -44,12 +44,6 @@ export default function getDevToolsFrontendUrl(
   if (experiments.enableNetworkInspector) {
     searchParams.append('unstable_enableNetworkPanel', 'true');
   }
-  if (
-    options?.useFuseboxEntryPoint === true &&
-    experiments.useFuseboxInternalBranding
-  ) {
-    searchParams.append('unstable_useInternalBranding', 'true');
-  }
   if (options?.launchId != null && options.launchId !== '') {
     searchParams.append('launchId', options.launchId);
   }