diff --git a/Benchmarks/Thresholds/nightly-main/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json b/Benchmarks/Thresholds/nightly-main/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json
index c4f80c1f32..c6a93680d0 100644
--- a/Benchmarks/Thresholds/nightly-main/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json
+++ b/Benchmarks/Thresholds/nightly-main/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json
@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal": 82000
+  "mallocCountTotal" : 108
 }
diff --git a/Benchmarks/Thresholds/nightly-next/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json b/Benchmarks/Thresholds/nightly-next/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json
index 390ed2415a..c6a93680d0 100644
--- a/Benchmarks/Thresholds/nightly-next/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json
+++ b/Benchmarks/Thresholds/nightly-next/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json
@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 164376
-}
\ No newline at end of file
+  "mallocCountTotal" : 108
+}
diff --git a/Sources/NIOCore/AsyncSequences/NIOAsyncWriter.swift b/Sources/NIOCore/AsyncSequences/NIOAsyncWriter.swift
index f232d518f9..3bbe302680 100644
--- a/Sources/NIOCore/AsyncSequences/NIOAsyncWriter.swift
+++ b/Sources/NIOCore/AsyncSequences/NIOAsyncWriter.swift
@@ -540,7 +540,7 @@ extension NIOAsyncWriter {
             let yieldID = yieldID ?? self._yieldIDGenerator.generateUniqueYieldID()
 
             return try await withTaskCancellationHandler {
-                // We are manually locking here to hold the lock across the withCheckedContinuation call
+                // We are manually locking here to hold the lock across the withUnsafeContinuation call
                 let unsafe = self._state.unsafe
                 unsafe.lock()
 
@@ -561,8 +561,8 @@ extension NIOAsyncWriter {
                     throw error
 
                 case .suspendTask:
-                    return try await withCheckedThrowingContinuation {
-                        (continuation: CheckedContinuation<StateMachine.YieldResult, Error>) in
+                    return try await withUnsafeThrowingContinuation {
+                        (continuation: UnsafeContinuation<StateMachine.YieldResult, Error>) in
                         let didSuspend = unsafe.withValueAssumingLockIsAcquired {
                             $0.stateMachine.yield(continuation: continuation, yieldID: yieldID)
                             return $0.didSuspend
@@ -611,7 +611,7 @@ extension NIOAsyncWriter {
             let yieldID = yieldID ?? self._yieldIDGenerator.generateUniqueYieldID()
 
             return try await withTaskCancellationHandler {
-                // We are manually locking here to hold the lock across the withCheckedContinuation call
+                // We are manually locking here to hold the lock across the withUnsafeContinuation call
                 let unsafe = self._state.unsafe
                 unsafe.lock()
 
@@ -632,8 +632,8 @@ extension NIOAsyncWriter {
                     throw error
 
                 case .suspendTask:
-                    return try await withCheckedThrowingContinuation {
-                        (continuation: CheckedContinuation<StateMachine.YieldResult, Error>) in
+                    return try await withUnsafeThrowingContinuation {
+                        (continuation: UnsafeContinuation<StateMachine.YieldResult, Error>) in
                         let didSuspend = unsafe.withValueAssumingLockIsAcquired {
                             $0.stateMachine.yield(continuation: continuation, yieldID: yieldID)
                             return $0.didSuspend
@@ -736,10 +736,10 @@ extension NIOAsyncWriter {
             /// The yield's produced sequence of elements.
             /// The yield's continuation.
             @usableFromInline
-            var continuation: CheckedContinuation<YieldResult, Error>
+            var continuation: UnsafeContinuation<YieldResult, Error>
 
             @inlinable
-            init(yieldID: YieldID, continuation: CheckedContinuation<YieldResult, Error>) {
+            init(yieldID: YieldID, continuation: UnsafeContinuation<YieldResult, Error>) {
                 self.yieldID = yieldID
                 self.continuation = continuation
             }
@@ -1143,7 +1143,7 @@ extension NIOAsyncWriter {
         /// This method is called as a result of the above `yield` method if it decided that the task needs to get suspended.
         @inlinable
         internal mutating func yield(
-            continuation: CheckedContinuation<YieldResult, Error>,
+            continuation: UnsafeContinuation<YieldResult, Error>,
             yieldID: YieldID
         ) {
             switch self._state {
@@ -1216,7 +1216,7 @@ extension NIOAsyncWriter {
         @usableFromInline
         enum CancelAction {
             /// Indicates that the continuation should be resumed with a `CancellationError`.
-            case resumeContinuationWithCancellationError(CheckedContinuation<YieldResult, Error>)
+            case resumeContinuationWithCancellationError(UnsafeContinuation<YieldResult, Error>)
             /// Indicates that nothing should be done.
             case none
         }
diff --git a/Sources/NIOCore/AsyncSequences/NIOThrowingAsyncSequenceProducer.swift b/Sources/NIOCore/AsyncSequences/NIOThrowingAsyncSequenceProducer.swift
index b807f6f407..46df3af754 100644
--- a/Sources/NIOCore/AsyncSequences/NIOThrowingAsyncSequenceProducer.swift
+++ b/Sources/NIOCore/AsyncSequences/NIOThrowingAsyncSequenceProducer.swift
@@ -625,8 +625,8 @@ extension NIOThrowingAsyncSequenceProducer {
                 case .suspendTask:
                     // It is safe to hold the lock across this method
                     // since the closure is guaranteed to be run straight away
-                    return try await withCheckedThrowingContinuation {
-                        (continuation: CheckedContinuation<Element?, any Error>) in
+                    return try await withUnsafeThrowingContinuation {
+                        (continuation: UnsafeContinuation<Element?, any Error>) in
                         let (action, callDidSuspend) = unsafe.withValueAssumingLockIsAcquired {
                             let action = $0.stateMachine.next(for: continuation)
                             let callDidSuspend = $0.didSuspend != nil
@@ -723,7 +723,7 @@ extension NIOThrowingAsyncSequenceProducer {
             case streaming(
                 backPressureStrategy: Strategy,
                 buffer: Deque<Element>,
-                continuation: CheckedContinuation<Element?, Error>?,
+                continuation: UnsafeContinuation<Element?, Error>?,
                 hasOutstandingDemand: Bool,
                 iteratorInitialized: Bool
             )
@@ -916,13 +916,13 @@ extension NIOThrowingAsyncSequenceProducer {
             /// Indicates that the continuation should be resumed and
             /// ``NIOThrowingAsyncSequenceProducer/Source/YieldResult/produceMore`` should be returned.
             case resumeContinuationAndReturnProduceMore(
-                continuation: CheckedContinuation<Element?, Error>,
+                continuation: UnsafeContinuation<Element?, Error>,
                 element: Element
             )
             /// Indicates that the continuation should be resumed and
             /// ``NIOThrowingAsyncSequenceProducer/Source/YieldResult/stopProducing`` should be returned.
             case resumeContinuationAndReturnStopProducing(
-                continuation: CheckedContinuation<Element?, Error>,
+                continuation: UnsafeContinuation<Element?, Error>,
                 element: Element
             )
             /// Indicates that the yielded elements have been dropped.
@@ -931,7 +931,7 @@ extension NIOThrowingAsyncSequenceProducer {
             @usableFromInline
             init(
                 shouldProduceMore: Bool,
-                continuationAndElement: (CheckedContinuation<Element?, Error>, Element)? = nil
+                continuationAndElement: (UnsafeContinuation<Element?, Error>, Element)? = nil
             ) {
                 switch (shouldProduceMore, continuationAndElement) {
                 case (true, .none):
@@ -1040,7 +1040,7 @@ extension NIOThrowingAsyncSequenceProducer {
         enum FinishAction {
             /// Indicates that the continuation should be resumed with `nil` and
             /// that ``NIOAsyncSequenceProducerDelegate/didTerminate()`` should be called.
-            case resumeContinuationWithFailureAndCallDidTerminate(CheckedContinuation<Element?, Error>, Failure?)
+            case resumeContinuationWithFailureAndCallDidTerminate(UnsafeContinuation<Element?, Error>, Failure?)
             /// Indicates that nothing should be done.
             case none
         }
@@ -1094,7 +1094,7 @@ extension NIOThrowingAsyncSequenceProducer {
             case callDidTerminate
             /// Indicates that the continuation should be resumed with a `CancellationError` and
             /// that ``NIOAsyncSequenceProducerDelegate/didTerminate()`` should be called.
-            case resumeContinuationWithCancellationErrorAndCallDidTerminate(CheckedContinuation<Element?, Error>)
+            case resumeContinuationWithCancellationErrorAndCallDidTerminate(UnsafeContinuation<Element?, Error>)
             /// Indicates that nothing should be done.
             case none
         }
@@ -1273,7 +1273,7 @@ extension NIOThrowingAsyncSequenceProducer {
         }
 
         @inlinable
-        mutating func next(for continuation: CheckedContinuation<Element?, Error>) -> NextForContinuationAction {
+        mutating func next(for continuation: UnsafeContinuation<Element?, Error>) -> NextForContinuationAction {
             switch self._state {
             case .initial:
                 // We are transitioning away from the initial state in `next()`