diff --git a/server/mdns_client.go b/server/mdns_client.go
index cc541c11..ffbdf82a 100644
--- a/server/mdns_client.go
+++ b/server/mdns_client.go
@@ -101,7 +101,6 @@ func LinkLocalMulticastListener(ifi *net.Interface) (net.PacketConn, error) {
 const (
 	CSendQuery       = iota
 	CShutdown        = iota
-	CIsInflightQuery = iota
 	CMessageReceived = iota
 )
 
@@ -124,18 +123,6 @@ func (c *MDNSClient) SendQuery(name string, querytype uint16, responseCh chan<-
 	}
 }
 
-// Sync
-func (c *MDNSClient) IsInflightQuery(m *dns.Msg) bool {
-	resultChan := make(chan interface{})
-	c.queryChan <- &MDNSInteraction{
-		code:       CIsInflightQuery,
-		resultChan: resultChan,
-		payload:    m,
-	}
-	result := <-resultChan
-	return result.(bool)
-}
-
 // Async - called from dns library multiplexer
 func (c *MDNSClient) ResponseCallback(r *dns.Msg) {
 	c.queryChan <- &MDNSInteraction{code: CMessageReceived, payload: r}
@@ -191,8 +178,6 @@ func (c *MDNSClient) queryLoop(queryChan <-chan *MDNSInteraction) {
 			case CSendQuery:
 				err = c.handleSendQuery(query.payload.(mDNSQueryInfo))
 				run()
-			case CIsInflightQuery:
-				query.resultChan <- c.handleIsInflightQuery(query.payload.(*dns.Msg))
 			case CMessageReceived:
 				c.handleResponse(query.payload.(*dns.Msg))
 				run()
@@ -230,20 +215,6 @@ func (c *MDNSClient) handleSendQuery(q mDNSQueryInfo) (err error) {
 	return err
 }
 
-func (c *MDNSClient) handleIsInflightQuery(m *dns.Msg) bool {
-	if len(m.Question) == 1 {
-		q := m.Question[0]
-		if q.Qtype == dns.TypeA {
-			if query, found := c.inflight[q.Name]; found {
-				if query.Id == m.Id {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}
-
 func (c *MDNSClient) handleResponse(r *dns.Msg) {
 	for _, answer := range r.Answer {
 		switch rr := answer.(type) {