diff --git a/libtransmission/peer-mgr.h b/libtransmission/peer-mgr.h
index 5df2ccfe9..4c135e624 100644
--- a/libtransmission/peer-mgr.h
+++ b/libtransmission/peer-mgr.h
@@ -33,7 +33,6 @@ struct UTPSocket;
 struct peer_atom;
 struct tr_peerIo;
 struct tr_peerMgr;
-struct tr_peerMsgs;
 struct tr_peer_stat;
 struct tr_swarm;
 struct tr_torrent;