diff --git a/perl-xCAT/xCAT/Usage.pm b/perl-xCAT/xCAT/Usage.pm
index 1f65d294f..160d06531 100644
--- a/perl-xCAT/xCAT/Usage.pm
+++ b/perl-xCAT/xCAT/Usage.pm
@@ -327,9 +327,6 @@ my %usage = (
     or
     updatenode <noderange> [-V|--verbose] [-k|--security] [-s|--sn]
     or
-    updatenode <noderange> [-V|--verbose] [-k|--security] [--user] 
-        [--devicetype]
-    or
     updatenode <noderange> [-V|--verbose] [-F|--sync | -f|--snsync] [-S|--sw] 
         [-P|--scripts [script1,script2,...]] [-s|--sn] 
         [-A|--updateallsw] [-c|--cmdlineonly] [-d alt_source_dir]
@@ -343,9 +340,6 @@ Options:
     [-k|--security] Update the security keys and certificates for the 
         target nodes.
 
-    [-k|--security] [--user] [--devicetype] Update the ssh keys for 
-        specific device.
-
     [-F|--sync] Perform File Syncing.
 
     [-f|--snsync] Performs File Syncing to the service nodes that service