diff --git a/src/openvpn/ssl_pkt.h b/src/openvpn/ssl_pkt.h
index 640885e..82cb5b1 100644
--- a/src/openvpn/ssl_pkt.h
+++ b/src/openvpn/ssl_pkt.h
@@ -207,7 +207,6 @@
  * @param ctx               control channel security context
  * @param from              incoming link socket address
  * @param opt               tls options struct for the session
- * @param initial_packet    whether this is the initial packet for the connection
  * @return                  if the packet was successfully processed
  */
 bool read_control_auth(struct buffer *buf, struct tls_wrap_ctx *ctx,