Destroy() does not return error.

internal/types/webrtc.go

@@ -26,7 +26,7 @@ type WebRTCPeer interface {
 	SendCursorPosition(x, y int) error
 	SendCursorImage(cur *CursorImage, img []byte) error
 
-	Destroy() error
+	Destroy()
 }
 
 type WebRTCManager interface {

internal/types/websocket.go

@@ -8,7 +8,7 @@ type CheckOrigin func(r *http.Request) bool
 
 type WebSocketPeer interface {
 	Send(v interface{}) error
-	Destroy() error
+	Destroy()
 }
 
 type WebSocketManager interface {