diff --git a/Makefile b/Makefile
index a763090583..47ed6cfd62 100644
--- a/Makefile
+++ b/Makefile
@@ -277,7 +277,7 @@ test/addons-napi/.buildstamp: config.gypi \
 	$(ADDONS_NAPI_BINDING_GYPS) $(ADDONS_NAPI_BINDING_SOURCES) \
 	deps/uv/include/*.h deps/v8/include/*.h \
 	src/node.h src/node_buffer.h src/node_object_wrap.h src/node_version.h \
-	src/node_api.h src/node_api_async.h
+	src/node_api.h src/node_api_types.h
 #	Cannot use $(wildcard test/addons/*/) here, it's evaluated before
 #	embedded addons have been generated from the documentation.
 	@for dirname in test/addons-napi/*/; do \
diff --git a/node.gyp b/node.gyp
index 453acd5e96..3251244ff6 100644
--- a/node.gyp
+++ b/node.gyp
@@ -166,9 +166,6 @@
         'src/node_api.cc',
         'src/node_api.h',
         'src/node_api_types.h',
-        'src/node_api_async.cc',
-        'src/node_api_async.h',
-        'src/node_api_async_types.h',
         'src/node_buffer.cc',
         'src/node_config.cc',
         'src/node_constants.cc',
diff --git a/src/node_api_async.cc b/src/node_api_async.cc
deleted file mode 100644
index 4eda6c43b3..0000000000
--- a/src/node_api_async.cc
+++ /dev/null
@@ -1,69 +0,0 @@
-#include "node_api_async.h"
-#include "uv.h"
-
-typedef struct napi_work_impl__ {
-  uv_work_t* work;
-  void* data;
-  void (*execute)(void* data);
-  void (*complete)(void* data);
-  void (*destroy)(void* data);
-} napi_work_impl;
-
-napi_work napi_create_async_work() {
-  napi_work_impl* worker =
-      reinterpret_cast<napi_work_impl*>(malloc(sizeof(napi_work_impl)));
-  uv_work_t* req = reinterpret_cast<uv_work_t*>(malloc(sizeof(uv_work_t)));
-  req->data = worker;
-  worker->work = req;
-  return reinterpret_cast<napi_work>(worker);
-}
-
-void napi_delete_async_work(napi_work w) {
-  napi_work_impl* worker = reinterpret_cast<napi_work_impl*>(w);
-  if (worker != NULL) {
-    if (worker->work != NULL) {
-      delete reinterpret_cast<uv_work_t*>(worker->work);
-    }
-    delete worker;
-    worker = NULL;
-  }
-}
-
-void napi_async_set_data(napi_work w, void* data) {
-  napi_work_impl* worker = reinterpret_cast<napi_work_impl*>(w);
-  worker->data = data;
-}
-
-void napi_async_set_execute(napi_work w, void (*execute)(void* data)) {
-  napi_work_impl* worker = reinterpret_cast<napi_work_impl*>(w);
-  worker->execute = execute;
-}
-
-void napi_async_set_complete(napi_work w, void (*complete)(void* data)) {
-  napi_work_impl* worker = reinterpret_cast<napi_work_impl*>(w);
-  worker->complete = complete;
-}
-
-void napi_async_set_destroy(napi_work w, void (*destroy)(void* data)) {
-  napi_work_impl* worker = reinterpret_cast<napi_work_impl*>(w);
-  worker->destroy = destroy;
-}
-
-void napi_async_execute(uv_work_t* req) {
-  napi_work_impl* worker = static_cast<napi_work_impl*>(req->data);
-  worker->execute(worker->data);
-}
-
-void napi_async_complete(uv_work_t* req) {
-  napi_work_impl* worker = static_cast<napi_work_impl*>(req->data);
-  worker->complete(worker->data);
-  worker->destroy(worker->data);
-}
-
-void napi_async_queue_worker(napi_work w) {
-  napi_work_impl* worker = reinterpret_cast<napi_work_impl*>(w);
-  uv_queue_work(uv_default_loop(),
-                worker->work,
-                napi_async_execute,
-                reinterpret_cast<uv_after_work_cb>(napi_async_complete));
-}
diff --git a/src/node_api_async.h b/src/node_api_async.h
deleted file mode 100644
index 83a5f38355..0000000000
--- a/src/node_api_async.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef SRC_NODE_API_ASYNC_H_
-#define SRC_NODE_API_ASYNC_H_
-
-#include <stdlib.h>
-#include "node_api.h"
-#include "node_api_async_types.h"
-
-EXTERN_C_START
-
-NAPI_EXTERN napi_work napi_create_async_work();
-NAPI_EXTERN void napi_delete_async_work(napi_work w);
-NAPI_EXTERN void napi_async_set_data(napi_work w, void* data);
-NAPI_EXTERN void napi_async_set_execute(napi_work w, void (*execute)(void*));
-NAPI_EXTERN void napi_async_set_complete(napi_work w, void (*complete)(void*));
-NAPI_EXTERN void napi_async_set_destroy(napi_work w, void (*destroy)(void*));
-NAPI_EXTERN void napi_async_queue_worker(napi_work w);
-
-EXTERN_C_END
-
-#endif  // SRC_NODE_API_ASYNC_H_
diff --git a/src/node_api_async_types.h b/src/node_api_async_types.h
deleted file mode 100644
index 44e0671c3a..0000000000
--- a/src/node_api_async_types.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SRC_NODE_API_ASYNC_TYPES_H_
-#define SRC_NODE_API_ASYNC_TYPES_H_
-
-// LIBUV API types are all opaque pointers for ABI stability
-// typedef undefined structs instead of void* for compile time type safety
-typedef struct napi_uv_work_t__ *napi_work;
-
-#endif  // SRC_NODE_API_ASYNC_TYPES_H_
diff --git a/tools/install.py b/tools/install.py
index 145ceb4c9c..2f4c5e1edf 100755
--- a/tools/install.py
+++ b/tools/install.py
@@ -150,8 +150,6 @@ def headers(action):
     'src/node.h',
     'src/node_api.h',
     'src/node_api_types.h',
-    'src/node_api_async.h',
-    'src/node_api_async_types.h',
     'src/node_buffer.h',
     'src/node_object_wrap.h',
     'src/node_version.h',