diff --git a/FirebaseAuth/Sources/Swift/Backend/RPC/SendVerificationTokenResponse.swift b/FirebaseAuth/Sources/Swift/Backend/RPC/SendVerificationTokenResponse.swift
index e4f4db33d2e..8f844c25f8c 100644
--- a/FirebaseAuth/Sources/Swift/Backend/RPC/SendVerificationTokenResponse.swift
+++ b/FirebaseAuth/Sources/Swift/Backend/RPC/SendVerificationTokenResponse.swift
@@ -14,7 +14,6 @@
 
 import Foundation
 
-@available(iOS 13, tvOS 13, macOS 10.15, macCatalyst 13, watchOS 7, *)
 struct SendVerificationCodeResponse: AuthRPCResponse {
   // Default value will be overridden when `setField(dictionary:)` is called.
   private(set) var verificationID: String = ""