diff --git a/src/Microsoft.Net.Http.Server/NativeInterop/HttpApi.cs b/src/Microsoft.Net.Http.Server/NativeInterop/HttpApi.cs
index 74f4de4788..b50c36a54e 100644
--- a/src/Microsoft.Net.Http.Server/NativeInterop/HttpApi.cs
+++ b/src/Microsoft.Net.Http.Server/NativeInterop/HttpApi.cs
@@ -32,9 +32,6 @@ namespace Microsoft.Net.Http.Server
         [DllImport(HTTPAPI, ExactSpelling = true, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
         internal static extern uint HttpReceiveRequestEntityBody(SafeHandle requestQueueHandle, ulong requestId, uint flags, IntPtr pEntityBuffer, uint entityBufferLength, out uint bytesReturned, SafeNativeOverlapped pOverlapped);
 
-        [DllImport(HTTPAPI, EntryPoint = "HttpReceiveRequestEntityBody", ExactSpelling = true, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
-        internal static extern uint HttpReceiveRequestEntityBody2(SafeHandle requestQueueHandle, ulong requestId, uint flags, void* pEntityBuffer, uint entityBufferLength, out uint bytesReturned, [In] SafeHandle pOverlapped);
-
         [DllImport(HTTPAPI, ExactSpelling = true, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
         internal static extern uint HttpReceiveClientCertificate(SafeHandle requestQueueHandle, ulong connectionId, uint flags, HTTP_SSL_CLIENT_CERT_INFO* pSslClientCertInfo, uint sslClientCertInfoSize, uint* pBytesReceived, SafeNativeOverlapped pOverlapped);
 
@@ -53,9 +50,6 @@ namespace Microsoft.Net.Http.Server
         [DllImport(HTTPAPI, ExactSpelling = true, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
         internal static extern uint HttpCancelHttpRequest(SafeHandle requestQueueHandle, ulong requestId, IntPtr pOverlapped);
 
-        [DllImport(HTTPAPI, EntryPoint = "HttpSendResponseEntityBody", ExactSpelling = true, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
-        internal static extern uint HttpSendResponseEntityBody2(SafeHandle requestQueueHandle, ulong requestId, uint flags, ushort entityChunkCount, IntPtr pEntityChunks, out uint pBytesSent, SafeLocalFree pRequestBuffer, uint requestBufferLength, SafeHandle pOverlapped, IntPtr pLogData);
-
         [DllImport(HTTPAPI, ExactSpelling = true, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
         internal static extern uint HttpWaitForDisconnectEx(SafeHandle requestQueueHandle, ulong connectionId, uint reserved, SafeNativeOverlapped overlapped);