diff --git a/doc/REST-interface.md b/doc/REST-interface.md
--- a/doc/REST-interface.md
+++ b/doc/REST-interface.md
@@ -86,7 +86,6 @@
          },
          "value" : 8.8687,
          "height" : 2147483647,
-         "txvers" : 1
       }
    ],
    "bitmap" : "1"