diff --git a/node/Packet.hpp b/node/Packet.hpp
index e1d38de5b..f04e8742f 100644
--- a/node/Packet.hpp
+++ b/node/Packet.hpp
@@ -101,15 +101,6 @@
  */
 #define ZT_PROTO_CIPHER_SUITE__C25519_POLY1305_SALSA2012 1
 
-/**
- * Cipher suite: PFS negotiated ephemeral cipher suite and authentication
- *
- * This message is encrypted with the latest negotiated ephemeral (PFS)
- * key pair and cipher suite. If authentication fails, VERB_SET_EPHEMERAL_KEY
- * may be sent to renegotiate ephemeral keys.
- */
-#define ZT_PROTO_CIPHER_SUITE__EPHEMERAL 7
-
 /**
  * DEPRECATED payload encrypted flag, will be removed for re-use soon.
  *