diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2023-02-01-preview/ManagedInstances.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2023-02-01-preview/ManagedInstances.json
index d26939b2de2a..aa0abaf3e8b3 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2023-02-01-preview/ManagedInstances.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2023-02-01-preview/ManagedInstances.json
@@ -1654,9 +1654,6 @@
       "description": "The name of the managed instance.",
       "required": true,
       "type": "string",
-      "pattern": "^[a-z0-9][a-z0-9-]*$",
-      "minLength": 1,
-      "maxLength": 63,
       "x-ms-parameter-location": "method"
     }
   },