diff --git a/deltas.go b/deltas.go
index f1822e9..736cf24 100644
--- a/deltas.go
+++ b/deltas.go
@@ -40,7 +40,6 @@ func (ch *CaddyHugo) ShouldApply(ltime uint64) bool {
 	defer ch.mtx.Unlock()
 
 	if _, ok := ch.confirmingToClient[ltime]; ok {
-		fmt.Println("rejecting ltime", ltime, "because was already processed")
 		return false
 	}
 
@@ -153,7 +152,6 @@ func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, err
 	client := doc.doc.Client(acedoc.DeltaHandlerFunc(func(ds []acedoc.Delta) error {
 		m := ch.Message(ds...)
 		wroteMessagesCh <- m
-		fmt.Println("WRITING")
 		return conn.WriteJSON(m)
 	}))
 
@@ -189,7 +187,6 @@ func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, err
 			if !ch.ShouldApply(message.LTime) {
 				continue
 			}
-			fmt.Printf("READ %p\n", conn)
 
 			err = client.PushDeltas(message.Deltas...)
 			if err != nil {
diff --git a/doc_test.go b/doc_test.go
index 82c9551..4d8b528 100644
--- a/doc_test.go
+++ b/doc_test.go
@@ -88,12 +88,12 @@ func TestDeltasSingle(t *testing.T) {
 
 	client := new(WebsocketTester)
 
-	doc, err := w.CH.editSession("content/" + title + ".md")
+	es, err := w.CH.editSession("content/" + title + ".md")
 	if err != nil {
 		t.Fatal("couldn't establish docref for client 0:", err)
 	}
 
-	go w.CH.handleDeltaConn(client, doc)
+	go w.CH.handleDeltaConn(client, es)
 
 	a := acedoc.Insert(0, 0, "a")
 
@@ -104,9 +104,10 @@ func TestDeltasSingle(t *testing.T) {
 	time.Sleep(50 * time.Millisecond)
 
 	// we shouldn't have written back to the client,
-	// so we expect to have written 0 messages
-	if len(client.wroteMessages) != 0 {
-		t.Errorf("client wrote %d messages, should have written %d", len(client.wroteMessages), 0)
+	// so we expect to have written 0 *deltas*. (we may have written
+	// empty messages without deltas because of the pings to the client)
+	if len(client.wroteDeltas) != 0 {
+		t.Errorf("client wrote %d deltas, should have written %d", len(client.wroteMessages), 0)
 		t.Logf("%v", client.wroteMessages)
 	}
 
@@ -148,7 +149,7 @@ func TestDeltasDouble(t *testing.T) {
 
 	// so we expect clientA to have written 0 messages, and
 	// clientB to have written 1
-	if len(clientA.wroteMessages) != 0 || len(clientB.wroteMessages) != 1 {
+	if len(clientA.wroteDeltas) != 0 || len(clientB.wroteDeltas) != 1 {
 		t.Errorf("clientA wrote %d messages, should have written 0. clientB wrote %d, should have written 1", len(clientA.wroteMessages), len(clientB.wroteMessages))
 	}
 
@@ -169,9 +170,9 @@ func TestDeltasDouble(t *testing.T) {
 	clientA.mtx.Lock()
 	clientB.mtx.Lock()
 
-	// so we expect clientA to have written 1 message this time, and
+	// so we expect clientA to have written 1 delta this time, and
 	// clientB to have written nothing new, so 1 still
-	if len(clientA.wroteMessages) != 1 || len(clientB.wroteMessages) != 1 {
+	if len(clientA.wroteDeltas) != 1 || len(clientB.wroteDeltas) != 1 {
 		t.Errorf("clientA wrote %d messages, should have written 1. clientB wrote %d, should have written 1 (just from before)", len(clientA.wroteMessages), len(clientB.wroteMessages))
 	}