diff --git a/src/async-wrap.h b/src/async-wrap.h
index d292bb4774f054..3999607bb293c2 100644
--- a/src/async-wrap.h
+++ b/src/async-wrap.h
@@ -12,8 +12,6 @@ namespace node {
 
 #define NODE_ASYNC_PROVIDER_TYPES(V)                                          \
   V(NONE)                                                                     \
-  V(CARES)                                                                    \
-  V(CONNECTWRAP)                                                              \
   V(CRYPTO)                                                                   \
   V(FSEVENTWRAP)                                                              \
   V(FSREQWRAP)                                                                \
@@ -21,17 +19,19 @@ namespace node {
   V(GETNAMEINFOREQWRAP)                                                       \
   V(JSSTREAM)                                                                 \
   V(PIPEWRAP)                                                                 \
+  V(PIPECONNECTWRAP)                                                          \
   V(PROCESSWRAP)                                                              \
   V(QUERYWRAP)                                                                \
-  V(REQWRAP)                                                                  \
   V(SHUTDOWNWRAP)                                                             \
   V(SIGNALWRAP)                                                               \
   V(STATWATCHER)                                                              \
   V(TCPWRAP)                                                                  \
+  V(TCPCONNECTWRAP)                                                           \
   V(TIMERWRAP)                                                                \
   V(TLSWRAP)                                                                  \
   V(TTYWRAP)                                                                  \
   V(UDPWRAP)                                                                  \
+  V(UDPSENDWRAP)                                                              \
   V(WRITEWRAP)                                                                \
   V(ZLIB)
 
diff --git a/src/pipe_wrap.cc b/src/pipe_wrap.cc
index 62bfe0a92e672c..84164723e95b99 100644
--- a/src/pipe_wrap.cc
+++ b/src/pipe_wrap.cc
@@ -42,7 +42,7 @@ class PipeConnectWrap : public ReqWrap<uv_connect_t> {
 
 
 PipeConnectWrap::PipeConnectWrap(Environment* env, Local<Object> req_wrap_obj)
-    : ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_PIPEWRAP) {
+    : ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_PIPECONNECTWRAP) {
   Wrap(req_wrap_obj, this);
 }
 
diff --git a/src/tcp_wrap.cc b/src/tcp_wrap.cc
index 9bdf8ccc1d4a00..3f3e6a0ad4a752 100644
--- a/src/tcp_wrap.cc
+++ b/src/tcp_wrap.cc
@@ -41,7 +41,7 @@ class TCPConnectWrap : public ReqWrap<uv_connect_t> {
 
 
 TCPConnectWrap::TCPConnectWrap(Environment* env, Local<Object> req_wrap_obj)
-    : ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_TCPWRAP) {
+    : ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_TCPCONNECTWRAP) {
   Wrap(req_wrap_obj, this);
 }
 
diff --git a/src/udp_wrap.cc b/src/udp_wrap.cc
index dff2235f9f5ad0..cb678f14fb3826 100644
--- a/src/udp_wrap.cc
+++ b/src/udp_wrap.cc
@@ -44,7 +44,7 @@ class SendWrap : public ReqWrap<uv_udp_send_t> {
 SendWrap::SendWrap(Environment* env,
                    Local<Object> req_wrap_obj,
                    bool have_callback)
-    : ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_UDPWRAP),
+    : ReqWrap(env, req_wrap_obj, AsyncWrap::PROVIDER_UDPSENDWRAP),
       have_callback_(have_callback) {
   Wrap(req_wrap_obj, this);
 }
diff --git a/test/parallel/test-async-wrap-check-providers.js b/test/parallel/test-async-wrap-check-providers.js
new file mode 100644
index 00000000000000..bec8768e923925
--- /dev/null
+++ b/test/parallel/test-async-wrap-check-providers.js
@@ -0,0 +1,100 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const crypto = require('crypto');
+const dgram = require('dgram');
+const dns = require('dns');
+const fs = require('fs');
+const net = require('net');
+const tls = require('tls');
+const zlib = require('zlib');
+const ChildProcess = require('child_process').ChildProcess;
+const StreamWrap = require('_stream_wrap').StreamWrap;
+const async_wrap = process.binding('async_wrap');
+const pkeys = Object.keys(async_wrap.Providers);
+
+let keyList = pkeys.slice();
+// Drop NONE
+keyList.splice(0, 1);
+
+
+function init(id) {
+  keyList = keyList.filter(e => e != pkeys[id]);
+}
+
+function noop() { }
+
+async_wrap.setupHooks(init, noop, noop);
+
+async_wrap.enable();
+
+
+setTimeout(function() { });
+
+fs.stat(__filename, noop);
+fs.watchFile(__filename, noop);
+fs.unwatchFile(__filename);
+fs.watch(__filename).close();
+
+dns.lookup('localhost', noop);
+dns.lookupService('::', 0, noop);
+dns.resolve('localhost', noop);
+
+new StreamWrap(new net.Socket());
+
+new (process.binding('tty_wrap').TTY)();
+
+crypto.randomBytes(1, noop);
+
+try {
+  fs.unlinkSync(common.PIPE);
+} catch(e) { }
+
+net.createServer(function(c) {
+  c.end();
+  this.close();
+}).listen(common.PIPE, function() {
+  net.connect(common.PIPE, noop);
+});
+
+net.createServer(function(c) {
+  c.end();
+  this.close(checkTLS);
+}).listen(common.PORT, function() {
+  net.connect(common.PORT, noop);
+});
+
+dgram.createSocket('udp4').bind(common.PORT, function() {
+  this.send(new Buffer(2), 0, 2, common.PORT, '::', () => {
+    this.close();
+  });
+});
+
+process.on('SIGINT', () => process.exit());
+
+// Run from closed net server above.
+function checkTLS() {
+  let options = {
+    key: fs.readFileSync(common.fixturesDir + '/keys/ec-key.pem'),
+    cert: fs.readFileSync(common.fixturesDir + '/keys/ec-cert.pem')
+  };
+  let server = tls.createServer(options, noop).listen(common.PORT, function() {
+    tls.connect(common.PORT, { rejectUnauthorized: false }, function() {
+      this.destroy();
+      server.close();
+    });
+  });
+}
+
+zlib.createGzip();
+
+new ChildProcess();
+
+process.on('exit', function() {
+  if (keyList.length !== 0) {
+    process._rawDebug('Not all keys have been used:');
+    process._rawDebug(keyList);
+    assert.equal(keyList.length, 0);
+  }
+});