diff --git a/packages/next/server/config-schema.ts b/packages/next/server/config-schema.ts
index b4468f461b17..c9ee74264b54 100644
--- a/packages/next/server/config-schema.ts
+++ b/packages/next/server/config-schema.ts
@@ -24,7 +24,6 @@ const configSchema = {
       type: 'string',
     },
     basePath: {
-      minLength: 1,
       type: 'string',
     },
     cleanDistDir: {