diff --git a/Heimdallr/ReactiveCocoa/Heimdallr+ReactiveCocoa.swift b/Heimdallr/ReactiveCocoa/Heimdallr+ReactiveCocoa.swift
index 53ba9fb..7da34d6 100644
--- a/Heimdallr/ReactiveCocoa/Heimdallr+ReactiveCocoa.swift
+++ b/Heimdallr/ReactiveCocoa/Heimdallr+ReactiveCocoa.swift
@@ -82,7 +82,7 @@ extension Heimdallr {
     /// - returns: A signal that sends a `RACUnit` and completes when the
     ///     request finishes successfully or sends an error if the request
     ///     finishes with an error.
-    @objc public func rac_requestAccessToken(username: String, password: String) -> RACSignal {
+    @objc public func rac_requestAccessToken(username: String, password: String) -> RACSignal<RACUnit> {
         let producer: SignalProducer<RACUnit, NSError> = requestAccessToken(username: username, password: password)
             .map { _ in RACUnit.default() }
         return producer.toRACSignal()
@@ -95,7 +95,7 @@ extension Heimdallr {
     /// - returns: A signal that sends a `RACUnit` and completes when the
     ///     request finishes successfully or sends an error if the request
     ///     finishes with an error.
-    @objc public func rac_requestAccessToken(grantType: String, parameters: NSDictionary) -> RACSignal {
+    @objc public func rac_requestAccessToken(grantType: String, parameters: NSDictionary) -> RACSignal<RACUnit> {
         let producer: SignalProducer<RACUnit, NSError> = requestAccessToken(grantType: grantType, parameters: parameters as! [String: String])
             .map { _ in RACUnit.default() }
         return producer.toRACSignal()
@@ -112,7 +112,13 @@ extension Heimdallr {
     /// - parameter request: An unauthenticated NSURLRequest.
     /// - returns: A signal that sends the authenticated request on success or
     ///     an error if the request could not be authenticated.
-    @objc public func rac_authenticateRequest(request: NSURLRequest) -> RACSignal {
-        return authenticateRequest(request: request as URLRequest).toRACSignal()
+    @objc public func rac_authenticateRequest(request: NSURLRequest) -> RACSignal<NSURLRequest> {
+        let convertedRequest = request as URLRequest
+        let authenticatedRequestSignalProducer = authenticateRequest(request: convertedRequest)
+        let convertedAuthenticatedRequestSignalProducer = authenticatedRequestSignalProducer.map { (request) -> NSURLRequest in
+            return request as NSURLRequest
+        }
+        let authenticatedRequestSignal = convertedAuthenticatedRequestSignalProducer.toRACSignal()
+        return authenticatedRequestSignal
     }
 }
diff --git a/HeimdallrTests/ReactiveCocoa/Heimdallr+ReactiveCocoaSpec.swift b/HeimdallrTests/ReactiveCocoa/Heimdallr+ReactiveCocoaSpec.swift
index 541ea86..9dff46d 100644
--- a/HeimdallrTests/ReactiveCocoa/Heimdallr+ReactiveCocoaSpec.swift
+++ b/HeimdallrTests/ReactiveCocoa/Heimdallr+ReactiveCocoaSpec.swift
@@ -180,16 +180,6 @@ class ReactiveHeimdallrSpec: QuickSpec {
                     heimdallr.authorizeSuccess = true
                 }
 
-                it("sends a RACUnit") {
-                    waitUntil { done in
-                        let signal = heimdallr.rac_requestAccessToken(username: "foo", password: "bar")
-                        signal.subscribeNext { value in
-                            expect(value is RACUnit).to(beTrue())
-                            done()
-                        }
-                    }
-                }
-
                 it("completes") {
                     waitUntil { done in
                         let signal = heimdallr.rac_requestAccessToken(username: "foo", password: "bar")
@@ -226,16 +216,6 @@ class ReactiveHeimdallrSpec: QuickSpec {
                     heimdallr.authorizeSuccess = true
                 }
 
-                it("sends a RACUnit") {
-                    waitUntil { done in
-                        let signal = heimdallr.rac_requestAccessToken(grantType:"foo", parameters:["code": "bar"])
-                        signal.subscribeNext { value in
-                            expect(value is RACUnit).to(beTrue())
-                            done()
-                        }
-                    }
-                }
-
                 it("completes") {
                     waitUntil { done in
                         let signal = heimdallr.rac_requestAccessToken(grantType:"foo", parameters:["code": "bar"])