diff --git a/deployment/schema.json b/deployment/schema.json
index 8351ee0..17740af 100644
--- a/deployment/schema.json
+++ b/deployment/schema.json
@@ -28,9 +28,6 @@
       }, {
         "const": "lf",
         "description": "Uses line feed."
-      }, {
-        "const": "system",
-        "description": "Uses the system standard (ex. crlf on Windows)."
       }]
     }
   },