 			}
 
 			it("should deallocate") {
-				weak var signal: Signal<AnyObject, NoError>? = Signal.never.map { $0 }
+				weak var signal: Signal<AnyObject, NoError>? = Signal { _ in nil }.map { $0 }
 
 				expect(signal).to(beNil())
 			}
 
 			it("should deallocate even if it has an observer") {
 				weak var signal: Signal<AnyObject, NoError>? = {
-					let signal: Signal<AnyObject, NoError> = Signal.never.map { $0 }
+					let signal: Signal<AnyObject, NoError> = Signal { _ in nil }.map { $0 }
 					signal.observe(Observer())
 					return signal
 				}()

			it("should deallocate even if it has an observer with retained disposable") {
				var disposable: Disposable? = nil
				weak var signal: Signal<AnyObject, NoError>? = {
					let signal: Signal<AnyObject, NoError> = Signal.never.map { $0 }
					disposable = signal.observe(Observer())
					return signal
				}()

			}

			it("should deallocate") {
				weak var signal: Signal<AnyObject, NoError>? = Signal { _ in nil }
				
				expect(signal).to(beNil())
			}

			it("should deallocate even if it has an observer") {
				weak var signal: Signal<AnyObject, NoError>? = {
					let signal: Signal<AnyObject, NoError> = Signal { _ in nil }
					return signal
				}()
				expect(signal).to(beNil())
