diff --git a/configtypes.go b/configtypes.go
index 3a5317a..7080864 100644
--- a/configtypes.go
+++ b/configtypes.go
@@ -11,13 +11,6 @@ import (
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
-type ipVersion int
-
-const (
-	IPv4 ipVersion = 4
-	IPv6 ipVersion = 6
-)
-
 // see https://github.com/WireGuard/wgctrl-go/blob/master/wgtypes/types.go for definitions
 type PeerConfig struct {
 	// Used to update DNS