diff --git a/global.go b/global.go
index b9950cb2..63ac303f 100644
--- a/global.go
+++ b/global.go
@@ -29,8 +29,6 @@ func defaultPeerExtensionBytes() PeerExtensionBits {
 var (
 	torrent = expvar.NewMap("torrent")
 
-	peersAddedBySource = expvar.NewMap("peersAddedBySource")
-
 	pieceHashedCorrect    = expvar.NewInt("pieceHashedCorrect")
 	pieceHashedNotCorrect = expvar.NewInt("pieceHashedNotCorrect")
 
diff --git a/torrent.go b/torrent.go
index 69a0c667..33ade6db 100644
--- a/torrent.go
+++ b/torrent.go
@@ -255,7 +255,7 @@ func (t *Torrent) unclosedConnsAsSlice() (ret []*PeerConn) {
 
 func (t *Torrent) addPeer(p Peer) {
 	cl := t.cl
-	peersAddedBySource.Add(string(p.Source), 1)
+	torrent.Add(fmt.Sprintf("peers added by source %q", p.Source), 1)
 	if t.closed.IsSet() {
 		return
 	}