diff --git a/include/types.hrl b/include/types.hrl
deleted file mode 100644
index 10cc6f46..00000000
--- a/include/types.hrl
+++ /dev/null
@@ -1,13 +0,0 @@
-%% Copyright (c) 2011, Loïc Hoguin <essen@dev-extend.eu>
-%%
-%% Permission to use, copy, modify, and/or distribute this software for any
-%% purpose with or without fee is hereby granted, provided that the above
-%% copyright notice and this permission notice appear in all copies.
-%%
-%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/src/cowboy_acceptor.erl b/src/cowboy_acceptor.erl
index db708174..f27f446a 100644
--- a/src/cowboy_acceptor.erl
+++ b/src/cowboy_acceptor.erl
@@ -16,8 +16,6 @@
 -export([start_link/5]). %% API.
 -export([acceptor/5]). %% Internal.
 
--include("include/types.hrl").
-
 %% API.
 
 -spec start_link(LSocket::inet:socket(), Transport::module(),
diff --git a/src/cowboy_acceptors_sup.erl b/src/cowboy_acceptors_sup.erl
index 66ac4a93..3fbffb19 100644
--- a/src/cowboy_acceptors_sup.erl
+++ b/src/cowboy_acceptors_sup.erl
@@ -18,8 +18,6 @@
 -export([start_link/6]). %% API.
 -export([init/1]). %% supervisor.
 
--include("include/types.hrl").
-
 %% API.
 
 -spec start_link(NbAcceptors::non_neg_integer(), Transport::module(),
diff --git a/src/cowboy_app.erl b/src/cowboy_app.erl
index b251ff4d..702d9ce5 100644
--- a/src/cowboy_app.erl
+++ b/src/cowboy_app.erl
@@ -20,8 +20,6 @@
 -type application_start_type() :: normal |
 	{takeover, Node::node()} | {failover, Node::node()}.
 
--include("include/types.hrl").
-
 %% API.
 
 -spec start(Type::application_start_type(), Args::term()) -> {ok, Pid::pid()}.
diff --git a/src/cowboy_dispatcher.erl b/src/cowboy_dispatcher.erl
index e4e5b785..05faa388 100644
--- a/src/cowboy_dispatcher.erl
+++ b/src/cowboy_dispatcher.erl
@@ -24,7 +24,6 @@
 
 -export_type([bindings/0, path_tokens/0, dispatch_rules/0]).
 
--include("include/types.hrl").
 -include_lib("eunit/include/eunit.hrl").
 
 %% API.
diff --git a/src/cowboy_http_protocol.erl b/src/cowboy_http_protocol.erl
index 5e9e6362..a25f87ad 100644
--- a/src/cowboy_http_protocol.erl
+++ b/src/cowboy_http_protocol.erl
@@ -16,7 +16,6 @@
 -export([start_link/3]). %% API.
 -export([init/3, wait_request/1]). %% FSM.
 
--include("include/types.hrl").
 -include("include/http.hrl").
 
 -record(state, {
diff --git a/src/cowboy_http_req.erl b/src/cowboy_http_req.erl
index d7c217f6..649f41d8 100644
--- a/src/cowboy_http_req.erl
+++ b/src/cowboy_http_req.erl
@@ -33,7 +33,6 @@
 	reply/4
 ]). %% Response API.
 
--include("include/types.hrl").
 -include("include/http.hrl").
 -include_lib("eunit/include/eunit.hrl").
 
diff --git a/src/cowboy_http_websocket.erl b/src/cowboy_http_websocket.erl
index 46c2ffa1..4cd24dcd 100644
--- a/src/cowboy_http_websocket.erl
+++ b/src/cowboy_http_websocket.erl
@@ -15,7 +15,6 @@
 -module(cowboy_http_websocket).
 -export([upgrade/3]).
 
--include("include/types.hrl").
 -include("include/http.hrl").
 
 -record(state, {
diff --git a/src/cowboy_requests_sup.erl b/src/cowboy_requests_sup.erl
index a759205e..86814349 100644
--- a/src/cowboy_requests_sup.erl
+++ b/src/cowboy_requests_sup.erl
@@ -18,8 +18,6 @@
 -export([start_link/0, start_request/4]). %% API.
 -export([init/1]). %% supervisor.
 
--include("include/types.hrl").
-
 %% API.
 
 -spec start_link() -> {ok, Pid::pid()}.
diff --git a/src/cowboy_ssl_transport.erl b/src/cowboy_ssl_transport.erl
index e7a96ed8..a5928bca 100644
--- a/src/cowboy_ssl_transport.erl
+++ b/src/cowboy_ssl_transport.erl
@@ -18,7 +18,6 @@
 
 -opaque sslsocket() :: term().
 
--include("include/types.hrl").
 -include_lib("kernel/include/inet.hrl").
 
 %% API.
diff --git a/src/cowboy_tcp_transport.erl b/src/cowboy_tcp_transport.erl
index d67e0969..45c87df2 100644
--- a/src/cowboy_tcp_transport.erl
+++ b/src/cowboy_tcp_transport.erl
@@ -16,7 +16,6 @@
 -export([name/0, messages/0, listen/1, accept/2, recv/3, send/2, setopts/2,
 	controlling_process/2, peername/1, close/1]). %% API.
 
--include("include/types.hrl").
 -include_lib("kernel/include/inet.hrl").
 
 %% API.