diff --git a/engine/common/net_buffer.c b/engine/common/net_buffer.c
index 69580a39..96b9daef 100644
--- a/engine/common/net_buffer.c
+++ b/engine/common/net_buffer.c
@@ -81,7 +81,7 @@ const char *svc_strings[svc_lastmsg+1] =
 	"svc_director",
 	"svc_voiceinit",
 	"svc_voicedata",
-	"svc_deltapacketbones",
+	"svc_unused54",
 	"svc_unused55",
 	"svc_resourcelocation",
 	"svc_querycvarvalue",
diff --git a/engine/common/protocol.h b/engine/common/protocol.h
index 0d8a839e..e1451df4 100644
--- a/engine/common/protocol.h
+++ b/engine/common/protocol.h
@@ -73,7 +73,7 @@ GNU General Public License for more details.
 #define svc_director		51	// <variable sized>
 #define svc_voiceinit		52	// <see code>
 #define svc_voicedata		53	// [byte][short][...]
-#define svc_deltapacketbones		54	// [short][byte][...]
+// reserved
 // reserved
 #define svc_resourcelocation		56	// [string]
 #define svc_querycvarvalue		57	// [string]