diff --git a/Sources/Core/AWSClientRuntime/Auth/AuthSchemes/SigV4AuthScheme.swift b/Sources/Core/AWSClientRuntime/Auth/AuthSchemes/SigV4AuthScheme.swift
index 657b87f65a8..1934feff34c 100644
--- a/Sources/Core/AWSClientRuntime/Auth/AuthSchemes/SigV4AuthScheme.swift
+++ b/Sources/Core/AWSClientRuntime/Auth/AuthSchemes/SigV4AuthScheme.swift
@@ -5,13 +5,13 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-import Foundation
 import ClientRuntime
 
 public struct SigV4AuthScheme: ClientRuntime.AuthScheme {
     public let schemeId: String = "aws.auth#sigv4"
-    public let signer: any ClientRuntime.Signer = AWSSigV4Signer()
-    public let idType: ClientRuntime.IdentityType = .aws
+    
+    public let signer: ClientRuntime.Signer = AWSSigV4Signer()
+    public let idKind: ClientRuntime.IdentityKind = .aws
     
     public func customizeSigningProperties(signingProperties: Attributes, config: HttpContext) -> Attributes {
         var copy = signingProperties