diff --git a/src/win/core.c b/src/win/core.c
index b7bd049e..19d6f61e 100644
--- a/src/win/core.c
+++ b/src/win/core.c
@@ -268,7 +268,7 @@ static void uv__loop_poll(uv_loop_t* loop, DWORD timeout) {
     if (success) {
       for (i = 0; i < count; i++) {
         /* Package was dequeued */
-        req = uv_overlapped_to_req(overlappeds[i].lpOverlapped);
+        req = container_of(overlappeds[i].lpOverlapped, uv_req_t, u.io.overlapped);
         uv_insert_pending_req(loop, req);
       }
 
diff --git a/src/win/req-inl.h b/src/win/req-inl.h
index aca62808..43373b15 100644
--- a/src/win/req-inl.h
+++ b/src/win/req-inl.h
@@ -85,11 +85,6 @@ INLINE static void uv_req_init(uv_loop_t* loop, uv_req_t* req) {
 }
 
 
-INLINE static uv_req_t* uv_overlapped_to_req(OVERLAPPED* overlapped) {
-  return CONTAINING_RECORD(overlapped, uv_req_t, u.io.overlapped);
-}
-
-
 INLINE static void uv_insert_pending_req(uv_loop_t* loop, uv_req_t* req) {
   req->next_req = NULL;
   if (loop->pending_reqs_tail) {