diff --git a/Sources/DequeModule/Deque+Collection.swift b/Sources/DequeModule/Deque+Collection.swift
index b56772cb4..8f4fa8b6c 100644
--- a/Sources/DequeModule/Deque+Collection.swift
+++ b/Sources/DequeModule/Deque+Collection.swift
@@ -164,7 +164,7 @@ extension Deque: Sequence {
   }
 }
 
-extension Deque.Iterator: Sendable where Element: Sendable {}
+extension Deque.Iterator: @unchecked Sendable where Element: Sendable {}
 
 extension Deque: RandomAccessCollection {
   public typealias Index = Int
diff --git a/Sources/DequeModule/Deque+Sendable.swift b/Sources/DequeModule/Deque+Sendable.swift
deleted file mode 100644
index 882e921e8..000000000
--- a/Sources/DequeModule/Deque+Sendable.swift
+++ /dev/null
@@ -1,12 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the Swift Collections open source project
-//
-// Copyright (c) 2022 - 2024 Apple Inc. and the Swift project authors
-// Licensed under Apache License v2.0 with Runtime Library Exception
-//
-// See https://swift.org/LICENSE.txt for license information
-//
-//===----------------------------------------------------------------------===//
-
-extension Deque: @unchecked Sendable where Element: Sendable {}
diff --git a/Sources/DequeModule/Deque.swift b/Sources/DequeModule/Deque.swift
index 9d6667a36..a0576b94f 100644
--- a/Sources/DequeModule/Deque.swift
+++ b/Sources/DequeModule/Deque.swift
@@ -103,3 +103,5 @@ public struct Deque<Element> {
     self._storage = _Storage(minimumCapacity: minimumCapacity)
   }
 }
+
+extension Deque: @unchecked Sendable where Element: Sendable {}