diff --git a/discover/common.go b/discover/common.go
index d26d52c..654e482 100644
--- a/discover/common.go
+++ b/discover/common.go
@@ -82,10 +82,3 @@ type ReadPacket struct {
 	Data []byte
 	Addr *net.UDPAddr
 }
-
-func min(x, y int) int {
-	if x > y {
-		return y
-	}
-	return x
-}