diff --git a/Amplify/Categories/Auth/Result/AuthSignUpResult.swift b/Amplify/Categories/Auth/Result/AuthSignUpResult.swift
index 012856908a..88853771b6 100644
--- a/Amplify/Categories/Auth/Result/AuthSignUpResult.swift
+++ b/Amplify/Categories/Auth/Result/AuthSignUpResult.swift
@@ -23,13 +23,7 @@ public struct AuthSignUpResult {
     ///
     public let nextStep: AuthSignUpStep
 
-    public let userID: String?
-
-    public init(
-        _ nextStep: AuthSignUpStep,
-        userID: String? = nil
-    ) {
+    public init(_ nextStep: AuthSignUpStep) {
         self.nextStep = nextStep
-        self.userID = userID
     }
 }
diff --git a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Service/Helpers/SignUpOutputResponse+Helper.swift b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Service/Helpers/SignUpOutputResponse+Helper.swift
index c6c4742008..c9706e53a0 100644
--- a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Service/Helpers/SignUpOutputResponse+Helper.swift
+++ b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Service/Helpers/SignUpOutputResponse+Helper.swift
@@ -13,15 +13,14 @@ extension SignUpOutputResponse {
 
     var authResponse: AuthSignUpResult {
         if self.userConfirmed {
-            return .init(.done, userID: userSub)
+            return .init(.done)
         }
         return AuthSignUpResult(
             .confirmUser(
                 codeDeliveryDetails?.toAuthCodeDeliveryDetails(),
                 nil,
                 userSub
-            ),
-            userID: userSub
+            )
         )
     }
 }
diff --git a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Task/AWSAuthConfirmSignUpTask.swift b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Task/AWSAuthConfirmSignUpTask.swift
index db0148eea5..f33017336c 100644
--- a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Task/AWSAuthConfirmSignUpTask.swift
+++ b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Task/AWSAuthConfirmSignUpTask.swift
@@ -41,7 +41,7 @@ class AWSAuthConfirmSignUpTask: AuthConfirmSignUpTask, DefaultLogger {
                                            environment: userPoolEnvironment)
             _ = try await client.confirmSignUp(input: input)
             log.verbose("Received success")
-            return AuthSignUpResult(.done, userID: nil)
+            return AuthSignUpResult(.done)
         } catch let error as AuthError {
             throw error
         } catch let error as AuthErrorConvertible {
diff --git a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthConfirmSignUpTaskTests.swift b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthConfirmSignUpTaskTests.swift
index 9236e24c98..f4a91a521d 100644
--- a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthConfirmSignUpTaskTests.swift
+++ b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthConfirmSignUpTaskTests.swift
@@ -45,7 +45,7 @@ class AWSAuthConfirmSignUpTaskTests: XCTestCase {
         let task = AWSAuthConfirmSignUpTask(request, authEnvironment: authEnvironment)
         let confirmSignUpResult = try await task.value
         print("Confirm Sign Up Result: \(confirmSignUpResult)")
-        await fulfillment(of: [functionExpectation], timeout: 1)
+        wait(for: [functionExpectation], timeout: 1)
     }
 
     func testConfirmSignUpOperationFailure() async throws {
diff --git a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpAPITests.swift b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpAPITests.swift
index b0f514aae8..c43745984b 100644
--- a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpAPITests.swift
+++ b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpAPITests.swift
@@ -126,65 +126,6 @@ class AWSAuthSignUpAPITests: BasePluginTest {
         XCTAssertFalse(result.isSignUpComplete, "Signin result should be complete")
     }
 
-    /// Given: A response from Cognito SignUp when `userConfirmed == true` and a present `userSub`
-    /// When: Invoking `signUp(username:password:options:)`
-    /// Then: The caller should receive an `AuthSignUpResult` where `nextStep == .done` and
-    /// `userID` is the `userSub` returned by the service.
-    func test_signUp_done_withUserSub() async throws {
-        let sub = UUID().uuidString
-        mockIdentityProvider = MockIdentityProvider(
-            mockSignUpResponse: { _ in
-                return .init(
-                    codeDeliveryDetails: nil,
-                    userConfirmed: true,
-                    userSub: sub
-                )
-            }
-        )
-
-        let result = try await plugin.signUp(
-            username: "foo",
-            password: "bar",
-            options: nil
-        )
-
-        XCTAssertEqual(result.nextStep, .done)
-        XCTAssertEqual(result.userID, sub)
-        XCTAssertTrue(result.isSignUpComplete)
-    }
-
-    /// Given: A response from Cognito SignUp that includes `codeDeliveryDetails` where `userConfirmed == false`
-    /// When: Invoking `signUp(username:password:options:)`
-    /// Then: The caller should receive an `AuthSignUpResult` where `nextStep == .confirmUser` and
-    /// the applicable associated value of that case and the `userID` both equal the `userSub` returned by the service.
-    func test_signUp_confirmUser_userIDsMatch() async throws {
-        let sub = UUID().uuidString
-        mockIdentityProvider = MockIdentityProvider(
-            mockSignUpResponse: { _ in
-                return .init(
-                    codeDeliveryDetails: .init(
-                        attributeName: "some attribute",
-                        deliveryMedium: .email,
-                        destination: ""
-                    ),
-                    userConfirmed: false,
-                    userSub: sub
-                )
-            }
-        )
-
-        let result = try await plugin.signUp(
-            username: "foo",
-            password: "bar",
-            options: nil
-        )
-
-        guard case .confirmUser(_, _, let userID) = result.nextStep else {
-            return XCTFail("expected .confirmUser nextStep")
-        }
-        XCTAssertEqual(result.userID, userID)
-    }
-
     func testSignUpServiceError() async {
 
         let errorsToTest: [(signUpOutputError: SignUpOutputError, cognitoError: AWSCognitoAuthError)] = [
diff --git a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpTaskTests.swift b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpTaskTests.swift
index 4368f834f5..b739ca8ef6 100644
--- a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpTaskTests.swift
+++ b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/ClientBehaviorTests/SignUp/AWSAuthSignUpTaskTests.swift
@@ -41,7 +41,7 @@ class AWSAuthSignUpTaskTests: XCTestCase {
         let task = AWSAuthSignUpTask(request, authEnvironment: authEnvironment)
         let signUpResult = try await task.value
         print("Sign Up Result: \(signUpResult)")
-        await fulfillment(of: [functionExpectation], timeout: 1)
+        wait(for: [functionExpectation], timeout: 1)
     }
 
     /// Given: Configured AuthState machine