diff --git a/src/mon/MonCommands.h b/src/mon/MonCommands.h
index bc84a0bee92..31947e7b71c 100644
--- a/src/mon/MonCommands.h
+++ b/src/mon/MonCommands.h
@@ -1099,7 +1099,7 @@ COMMAND_WITH_FLAG("osd tier remove "
     FLAG(DEPRECATED))
 COMMAND("osd tier cache-mode "
 	"name=pool,type=CephPoolname "
-	"name=mode,type=CephChoices,strings=none|writeback|forward|readonly|readforward|proxy|readproxy "
+	"name=mode,type=CephChoices,strings=writeback|readproxy|readonly|none "
 	"name=yes_i_really_mean_it,type=CephBool,req=false",
 	"specify the caching mode for cache tier <pool>", "osd", "rw")
 COMMAND("osd tier set-overlay "