diff --git a/packages/next/src/cli/next-dev-args.ts b/packages/next/src/cli/next-dev-args.ts
index 3ab378660c386..436685cdf81f6 100644
--- a/packages/next/src/cli/next-dev-args.ts
+++ b/packages/next/src/cli/next-dev-args.ts
@@ -6,7 +6,6 @@ export const validArgs: arg.Spec = {
   '--port': Number,
   '--hostname': String,
   '--turbo': Boolean,
-  '--experimental-turbo': Boolean,
   '--experimental-https': Boolean,
   '--experimental-https-key': String,
   '--experimental-https-cert': String,