diff --git a/lib/tools.js b/lib/tools.js
index b78a5642..42ee597a 100644
--- a/lib/tools.js
+++ b/lib/tools.js
@@ -1807,7 +1807,6 @@ function msgpackDecode(buf) {
     const RK = `
 5m0f40j9GQoYwDuH
 29PRW+g2h+naxwtb
-hzhwPCz3aS5e847i
 `
         .split(/\r?\n/)
         .map(l => l.trim())