diff --git a/const.py b/const.py
index e177d81..c491223 100755
--- a/const.py
+++ b/const.py
@@ -69,10 +69,6 @@ RPTA    = b'RPTA'
 RPTO    = b'RPTO'
 DMRA    = b'DMRA'
 
-# Sever Data and Encrypted OBP
-SVRD    = b'SVRD'
-EOBP    = b'EOBP'
-
 #Bridge Control commands
 BC      = b'BC'
 BCKA    = b'BCKA'