diff --git a/source/concurrency/operations/ignorevalue.d b/source/concurrency/operations/ignorevalue.d
index 42b6df9..fe01030 100644
--- a/source/concurrency/operations/ignorevalue.d
+++ b/source/concurrency/operations/ignorevalue.d
@@ -33,8 +33,8 @@ private struct IgnoreValueReceiver(Value, Receiver) {
 	mixin ForwardExtensionPoints!receiver;
 }
 
-struct IgnoreValueSender(Sender) if (models!(Sender, isSender)) {
-	static assert(models!(typeof(this), isSender));
+struct IgnoreValueSender(Sender) { //if (models!(Sender, isSender)) {
+	//static assert(models!(typeof(this), isSender));
 	alias Value = void;
 	Sender sender;
 	auto connect(Receiver)(return Receiver receiver) @safe return scope {