diff --git a/src/async-wrap-inl.h b/src/async-wrap-inl.h
index 64b5f0916123..d6e813525d82 100644
--- a/src/async-wrap-inl.h
+++ b/src/async-wrap-inl.h
@@ -4,12 +4,10 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "async-wrap.h"
-#include "base-object.h"
 #include "base-object-inl.h"
 #include "env.h"
 #include "env-inl.h"
 #include "node_internals.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/async-wrap.cc b/src/async-wrap.cc
index a0780566db72..7866dbf76faf 100644
--- a/src/async-wrap.cc
+++ b/src/async-wrap.cc
@@ -1,8 +1,6 @@
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include "uv.h"
diff --git a/src/base-object-inl.h b/src/base-object-inl.h
index 4ddc5e1349bc..de3ff5d64aa7 100644
--- a/src/base-object-inl.h
+++ b/src/base-object-inl.h
@@ -4,9 +4,7 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "base-object.h"
-#include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/cares_wrap.cc b/src/cares_wrap.cc
index d40d4b3256f1..458e96c05a07 100644
--- a/src/cares_wrap.cc
+++ b/src/cares_wrap.cc
@@ -1,14 +1,11 @@
 #define CARES_STATICLIB
 #include "ares.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
 #include "node.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "tree.h"
-#include "util.h"
 #include "util-inl.h"
 #include "uv.h"
 
diff --git a/src/connect_wrap.cc b/src/connect_wrap.cc
index df3f093e7329..f8d936073b22 100644
--- a/src/connect_wrap.cc
+++ b/src/connect_wrap.cc
@@ -1,8 +1,6 @@
 #include "connect_wrap.h"
 
-#include "env.h"
 #include "env-inl.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "util.h"
 #include "util-inl.h"
diff --git a/src/connection_wrap.cc b/src/connection_wrap.cc
index 020fe8b4c950..17e95dc07f16 100644
--- a/src/connection_wrap.cc
+++ b/src/connection_wrap.cc
@@ -2,11 +2,9 @@
 
 #include "connect_wrap.h"
 #include "env-inl.h"
-#include "env.h"
 #include "pipe_wrap.h"
 #include "stream_wrap.h"
 #include "tcp_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 
 namespace node {
diff --git a/src/debug-agent.cc b/src/debug-agent.cc
index 7f236fc44eec..161d64ea95ed 100644
--- a/src/debug-agent.cc
+++ b/src/debug-agent.cc
@@ -23,11 +23,9 @@
 
 #include "node.h"
 #include "node_internals.h"  // arraysize
-#include "env.h"
 #include "env-inl.h"
 #include "v8.h"
 #include "v8-debug.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include <string.h>
diff --git a/src/debug-agent.h b/src/debug-agent.h
index 504212653bc6..e1c5e2e498c7 100644
--- a/src/debug-agent.h
+++ b/src/debug-agent.h
@@ -25,7 +25,6 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "node_mutex.h"
-#include "util.h"
 #include "util-inl.h"
 #include "uv.h"
 #include "v8.h"
diff --git a/src/env-inl.h b/src/env-inl.h
index e2876de44a93..30d7950e9395 100644
--- a/src/env-inl.h
+++ b/src/env-inl.h
@@ -5,7 +5,6 @@
 
 #include "env.h"
 #include "node.h"
-#include "util.h"
 #include "util-inl.h"
 #include "uv.h"
 #include "v8.h"
diff --git a/src/env.cc b/src/env.cc
index 90a1b8723d96..5090475499dc 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -1,4 +1,3 @@
-#include "env.h"
 #include "env-inl.h"
 #include "v8.h"
 
diff --git a/src/fs_event_wrap.cc b/src/fs_event_wrap.cc
index 025f511d93b1..6f45213a8c31 100644
--- a/src/fs_event_wrap.cc
+++ b/src/fs_event_wrap.cc
@@ -1,8 +1,6 @@
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "node.h"
 #include "handle_wrap.h"
diff --git a/src/handle_wrap.cc b/src/handle_wrap.cc
index 317fb48b1d28..1788f89938bf 100644
--- a/src/handle_wrap.cc
+++ b/src/handle_wrap.cc
@@ -1,9 +1,7 @@
 #include "handle_wrap.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "node.h"
 
diff --git a/src/inspector_agent.cc b/src/inspector_agent.cc
index 60c11ea636cf..f7141f6f8021 100644
--- a/src/inspector_agent.cc
+++ b/src/inspector_agent.cc
@@ -1,7 +1,6 @@
 #include "inspector_agent.h"
 
 #include "inspector_socket.h"
-#include "env.h"
 #include "env-inl.h"
 #include "node.h"
 #include "node_crypto.h"
diff --git a/src/inspector_socket.cc b/src/inspector_socket.cc
index 6edc08248b6a..9e388f5a00ed 100644
--- a/src/inspector_socket.cc
+++ b/src/inspector_socket.cc
@@ -1,5 +1,4 @@
 #include "inspector_socket.h"
-#include "util.h"
 #include "util-inl.h"
 
 #define NODE_WANT_INTERNALS 1
diff --git a/src/inspector_socket.h b/src/inspector_socket.h
index 558d87bcb76b..46c739c4def2 100644
--- a/src/inspector_socket.h
+++ b/src/inspector_socket.h
@@ -2,7 +2,6 @@
 #define SRC_INSPECTOR_SOCKET_H_
 
 #include "http_parser.h"
-#include "util.h"
 #include "util-inl.h"
 #include "uv.h"
 
diff --git a/src/js_stream.cc b/src/js_stream.cc
index e51c4ae9b350..b7c91218ddb7 100644
--- a/src/js_stream.cc
+++ b/src/js_stream.cc
@@ -1,10 +1,8 @@
 #include "js_stream.h"
 
 #include "async-wrap.h"
-#include "env.h"
 #include "env-inl.h"
 #include "node_buffer.h"
-#include "stream_base.h"
 #include "stream_base-inl.h"
 #include "v8.h"
 
diff --git a/src/node.cc b/src/node.cc
index f4218ca67959..13331dab8806 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -29,12 +29,10 @@
 #endif
 
 #include "ares.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "string_bytes.h"
 #include "util.h"
diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index 9a7ee754d4f5..9e0a841eb17f 100644
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -1,11 +1,9 @@
 #include "node.h"
 #include "node_buffer.h"
 
-#include "env.h"
 #include "env-inl.h"
 #include "string_bytes.h"
 #include "string_search.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8-profiler.h"
 #include "v8.h"
diff --git a/src/node_config.cc b/src/node_config.cc
index 0e6184709642..64177f2f3578 100644
--- a/src/node_config.cc
+++ b/src/node_config.cc
@@ -1,8 +1,6 @@
 #include "node.h"
 #include "node_i18n.h"
-#include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 
 
diff --git a/src/node_constants.cc b/src/node_constants.cc
index be6e034a923a..205380692c90 100644
--- a/src/node_constants.cc
+++ b/src/node_constants.cc
@@ -1,5 +1,4 @@
 #include "node_constants.h"
-#include "env.h"
 #include "env-inl.h"
 
 #include "uv.h"
diff --git a/src/node_contextify.cc b/src/node_contextify.cc
index 9d774d2c37ae..9e1b0945372e 100644
--- a/src/node_contextify.cc
+++ b/src/node_contextify.cc
@@ -1,11 +1,9 @@
 #include "node.h"
 #include "node_internals.h"
 #include "node_watchdog.h"
-#include "base-object.h"
 #include "base-object-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8-debug.h"
 
diff --git a/src/node_counters.cc b/src/node_counters.cc
index 092d990d16b3..74efe7f35a31 100644
--- a/src/node_counters.cc
+++ b/src/node_counters.cc
@@ -1,6 +1,5 @@
 #include "node_counters.h"
 #include "uv.h"
-#include "env.h"
 #include "env-inl.h"
 
 #include <string.h>
diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index 99ed0ddf0808..33cc70a7be27 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -6,12 +6,10 @@
 #include "node_crypto_groups.h"
 #include "tls_wrap.h"  // TLSWrap
 
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
 #include "string_bytes.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 // CNNIC Hash WhiteList is taken from
diff --git a/src/node_crypto.h b/src/node_crypto.h
index 373d859530bc..656bb7189a70 100644
--- a/src/node_crypto.h
+++ b/src/node_crypto.h
@@ -4,15 +4,13 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "node.h"
-#include "node_crypto_clienthello.h"  // ClientHelloParser
+// ClientHelloParser
 #include "node_crypto_clienthello-inl.h"
 
 #include "node_buffer.h"
 
 #include "env.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
-#include "base-object.h"
 #include "base-object-inl.h"
 
 #include "v8.h"
diff --git a/src/node_crypto_bio.cc b/src/node_crypto_bio.cc
index ba19eb6ef238..bfb29366e8c5 100644
--- a/src/node_crypto_bio.cc
+++ b/src/node_crypto_bio.cc
@@ -1,6 +1,5 @@
 #include "node_crypto_bio.h"
 #include "openssl/bio.h"
-#include "util.h"
 #include "util-inl.h"
 #include <limits.h>
 #include <string.h>
diff --git a/src/node_crypto_bio.h b/src/node_crypto_bio.h
index fd70fcc54617..e25e632f708e 100644
--- a/src/node_crypto_bio.h
+++ b/src/node_crypto_bio.h
@@ -4,9 +4,7 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "openssl/bio.h"
-#include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/node_crypto_clienthello-inl.h b/src/node_crypto_clienthello-inl.h
index 0bb668de7a97..ed89ffa99666 100644
--- a/src/node_crypto_clienthello-inl.h
+++ b/src/node_crypto_clienthello-inl.h
@@ -3,7 +3,7 @@
 
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
-#include "util.h"
+#include "node_crypto_clienthello.h"
 #include "util-inl.h"
 
 namespace node {
diff --git a/src/node_crypto_clienthello.cc b/src/node_crypto_clienthello.cc
index 93f0c1de05ae..2e32ee555f01 100644
--- a/src/node_crypto_clienthello.cc
+++ b/src/node_crypto_clienthello.cc
@@ -1,4 +1,3 @@
-#include "node_crypto_clienthello.h"
 #include "node_crypto_clienthello-inl.h"
 
 namespace node {
diff --git a/src/node_dtrace.cc b/src/node_dtrace.cc
index 8653b673755f..10115a565943 100644
--- a/src/node_dtrace.cc
+++ b/src/node_dtrace.cc
@@ -3,7 +3,6 @@
 #ifdef HAVE_DTRACE
 #include "node_provider.h"
 #elif HAVE_ETW
-#include "node_win32_etw_provider.h"
 #include "node_win32_etw_provider-inl.h"
 #else
 #define NODE_HTTP_SERVER_REQUEST(arg0, arg1)
@@ -22,7 +21,6 @@
 #define NODE_GC_DONE(arg0, arg1, arg2)
 #endif
 
-#include "env.h"
 #include "env-inl.h"
 
 #include "util.h"
diff --git a/src/node_file.cc b/src/node_file.cc
index af3ebdb12148..40a9d65627dc 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -4,9 +4,7 @@
 #include "node_internals.h"
 #include "node_stat_watcher.h"
 
-#include "env.h"
 #include "env-inl.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "string_bytes.h"
 #include "util.h"
diff --git a/src/node_http_parser.cc b/src/node_http_parser.cc
index 45d54ab548f8..d634cba4d3af 100644
--- a/src/node_http_parser.cc
+++ b/src/node_http_parser.cc
@@ -2,11 +2,9 @@
 #include "node_buffer.h"
 #include "node_http_parser.h"
 
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "stream_base.h"
 #include "stream_base-inl.h"
 #include "util.h"
 #include "util-inl.h"
diff --git a/src/node_i18n.cc b/src/node_i18n.cc
index 27b40ebc28b4..8e32f1fe0817 100644
--- a/src/node_i18n.cc
+++ b/src/node_i18n.cc
@@ -24,9 +24,7 @@
 #if defined(NODE_HAVE_I18N_SUPPORT)
 
 #include "node.h"
-#include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/node_internals.h b/src/node_internals.h
index adcb7f835a34..dd1bad865f8b 100644
--- a/src/node_internals.h
+++ b/src/node_internals.h
@@ -4,7 +4,6 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "node.h"
-#include "util.h"
 #include "util-inl.h"
 #include "uv.h"
 #include "v8.h"
diff --git a/src/node_lttng.cc b/src/node_lttng.cc
index 490beb6e4000..1f6f4322a5fe 100644
--- a/src/node_lttng.cc
+++ b/src/node_lttng.cc
@@ -21,7 +21,6 @@
 #define NODE_GC_DONE(arg0, arg1, arg2)
 #endif
 
-#include "env.h"
 #include "env-inl.h"
 
 namespace node {
diff --git a/src/node_os.cc b/src/node_os.cc
index 19eaaeeb301d..3b82903fe5b5 100644
--- a/src/node_os.cc
+++ b/src/node_os.cc
@@ -1,6 +1,5 @@
 #include "node.h"
 #include "v8.h"
-#include "env.h"
 #include "env-inl.h"
 #include "string_bytes.h"
 
diff --git a/src/node_stat_watcher.cc b/src/node_stat_watcher.cc
index cff92e34045a..598f3516d3fc 100644
--- a/src/node_stat_watcher.cc
+++ b/src/node_stat_watcher.cc
@@ -1,9 +1,7 @@
 #include "node_stat_watcher.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include <string.h>
diff --git a/src/node_util.cc b/src/node_util.cc
index 0db7ab40fbf6..f96e91483857 100644
--- a/src/node_util.cc
+++ b/src/node_util.cc
@@ -1,7 +1,6 @@
 #include "node.h"
 #include "node_watchdog.h"
 #include "v8.h"
-#include "env.h"
 #include "env-inl.h"
 
 namespace node {
diff --git a/src/node_v8.cc b/src/node_v8.cc
index 2d44da42a44b..57b14b592e46 100644
--- a/src/node_v8.cc
+++ b/src/node_v8.cc
@@ -1,7 +1,5 @@
 #include "node.h"
-#include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/node_watchdog.cc b/src/node_watchdog.cc
index 049cd177ef0a..ef28aae7a10b 100644
--- a/src/node_watchdog.cc
+++ b/src/node_watchdog.cc
@@ -1,6 +1,5 @@
 #include "node_watchdog.h"
 #include "node_internals.h"
-#include "util.h"
 #include "util-inl.h"
 #include <algorithm>
 
diff --git a/src/node_win32_etw_provider.cc b/src/node_win32_etw_provider.cc
index 7b766bd2bb99..5d6b4d5b325f 100644
--- a/src/node_win32_etw_provider.cc
+++ b/src/node_win32_etw_provider.cc
@@ -1,4 +1,3 @@
-#include "node_dtrace.h"
 #include "node_win32_etw_provider.h"
 #include "node_etw_provider.h"
 #include "node_win32_etw_provider-inl.h"
diff --git a/src/node_wrap.h b/src/node_wrap.h
index 15cea7beda7d..2df9b10f6f87 100644
--- a/src/node_wrap.h
+++ b/src/node_wrap.h
@@ -3,14 +3,12 @@
 
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
-#include "env.h"
 #include "env-inl.h"
 #include "js_stream.h"
 #include "pipe_wrap.h"
 #include "tcp_wrap.h"
 #include "tty_wrap.h"
 #include "udp_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 #include "uv.h"
 #include "v8.h"
diff --git a/src/node_zlib.cc b/src/node_zlib.cc
index 31241e10c391..1dabd3e63d93 100644
--- a/src/node_zlib.cc
+++ b/src/node_zlib.cc
@@ -1,11 +1,9 @@
 #include "node.h"
 #include "node_buffer.h"
 
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include "v8.h"
diff --git a/src/pipe_wrap.cc b/src/pipe_wrap.cc
index 5f47dadddb4d..3fea56881848 100644
--- a/src/pipe_wrap.cc
+++ b/src/pipe_wrap.cc
@@ -2,7 +2,6 @@
 
 #include "async-wrap.h"
 #include "connection_wrap.h"
-#include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
 #include "node.h"
@@ -11,8 +10,6 @@
 #include "connect_wrap.h"
 #include "stream_wrap.h"
 #include "util-inl.h"
-#include "util.h"
-
 namespace node {
 
 using v8::Context;
diff --git a/src/process_wrap.cc b/src/process_wrap.cc
index 3dcde0962af0..0c41723ee776 100644
--- a/src/process_wrap.cc
+++ b/src/process_wrap.cc
@@ -1,8 +1,6 @@
-#include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
 #include "node_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include <string.h>
diff --git a/src/req-wrap-inl.h b/src/req-wrap-inl.h
index 84af22023dc3..a33f02138b88 100644
--- a/src/req-wrap-inl.h
+++ b/src/req-wrap-inl.h
@@ -4,11 +4,9 @@
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
 #include "req-wrap.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
-#include "util.h"
 #include "util-inl.h"
 
 namespace node {
diff --git a/src/signal_wrap.cc b/src/signal_wrap.cc
index 582d1a9ecfdc..1be400f487b1 100644
--- a/src/signal_wrap.cc
+++ b/src/signal_wrap.cc
@@ -1,9 +1,7 @@
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/stream_base-inl.h b/src/stream_base-inl.h
index da636909b695..8857843a3b42 100644
--- a/src/stream_base-inl.h
+++ b/src/stream_base-inl.h
@@ -6,7 +6,6 @@
 #include "stream_base.h"
 
 #include "node.h"
-#include "env.h"
 #include "env-inl.h"
 #include "v8.h"
 
diff --git a/src/stream_base.cc b/src/stream_base.cc
index 19130b5bb8bd..1eca246bfe0e 100644
--- a/src/stream_base.cc
+++ b/src/stream_base.cc
@@ -1,14 +1,11 @@
-#include "stream_base.h"
 #include "stream_base-inl.h"
 #include "stream_wrap.h"
 
 #include "node.h"
 #include "node_buffer.h"
-#include "env.h"
 #include "env-inl.h"
 #include "js_stream.h"
 #include "string_bytes.h"
-#include "util.h"
 #include "util-inl.h"
 #include "v8.h"
 
diff --git a/src/stream_base.h b/src/stream_base.h
index 56cd4129d8a3..0d9e011d75df 100644
--- a/src/stream_base.h
+++ b/src/stream_base.h
@@ -5,7 +5,6 @@
 
 #include "env.h"
 #include "async-wrap.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "node.h"
 #include "util.h"
diff --git a/src/stream_wrap.cc b/src/stream_wrap.cc
index 7709e24a6b4d..4d4b444aef88 100644
--- a/src/stream_wrap.cc
+++ b/src/stream_wrap.cc
@@ -1,5 +1,4 @@
 #include "stream_wrap.h"
-#include "stream_base.h"
 #include "stream_base-inl.h"
 
 #include "env-inl.h"
@@ -8,11 +7,9 @@
 #include "node_buffer.h"
 #include "node_counters.h"
 #include "pipe_wrap.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "tcp_wrap.h"
 #include "udp_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include <stdlib.h>  // abort()
diff --git a/src/string_bytes.h b/src/string_bytes.h
index 75d70defe381..d0d06c482f08 100644
--- a/src/string_bytes.h
+++ b/src/string_bytes.h
@@ -7,7 +7,6 @@
 
 #include "v8.h"
 #include "node.h"
-#include "env.h"
 #include "env-inl.h"
 #include "util.h"
 
diff --git a/src/tcp_wrap.cc b/src/tcp_wrap.cc
index 5150972591d6..8695643cf0cc 100644
--- a/src/tcp_wrap.cc
+++ b/src/tcp_wrap.cc
@@ -1,14 +1,12 @@
 #include "tcp_wrap.h"
 
 #include "connection_wrap.h"
-#include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
 #include "node_buffer.h"
 #include "node_wrap.h"
 #include "connect_wrap.h"
 #include "stream_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include <stdlib.h>
diff --git a/src/timer_wrap.cc b/src/timer_wrap.cc
index 843fde4673b0..7d58a6d8f027 100644
--- a/src/timer_wrap.cc
+++ b/src/timer_wrap.cc
@@ -1,9 +1,7 @@
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 
 #include <stdint.h>
diff --git a/src/tls_wrap.cc b/src/tls_wrap.cc
index 1f1e1eeb2d81..9762b8eafecc 100644
--- a/src/tls_wrap.cc
+++ b/src/tls_wrap.cc
@@ -1,14 +1,12 @@
 #include "tls_wrap.h"
-#include "async-wrap.h"
 #include "async-wrap-inl.h"
 #include "node_buffer.h"  // Buffer
 #include "node_crypto.h"  // SecureContext
 #include "node_crypto_bio.h"  // NodeBIO
-#include "node_crypto_clienthello.h"  // ClientHelloParser
+// ClientHelloParser
 #include "node_crypto_clienthello-inl.h"
 #include "node_counters.h"
 #include "node_internals.h"
-#include "stream_base.h"
 #include "stream_base-inl.h"
 #include "util.h"
 #include "util-inl.h"
diff --git a/src/tty_wrap.cc b/src/tty_wrap.cc
index 26f061b99b34..e4ed943b137a 100644
--- a/src/tty_wrap.cc
+++ b/src/tty_wrap.cc
@@ -1,14 +1,11 @@
 #include "tty_wrap.h"
 
-#include "env.h"
 #include "env-inl.h"
 #include "handle_wrap.h"
 #include "node_buffer.h"
 #include "node_wrap.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "stream_wrap.h"
-#include "util.h"
 #include "util-inl.h"
 
 namespace node {
diff --git a/src/udp_wrap.cc b/src/udp_wrap.cc
index 6e6c46aad009..77ce6a7aa2d0 100644
--- a/src/udp_wrap.cc
+++ b/src/udp_wrap.cc
@@ -1,9 +1,7 @@
 #include "udp_wrap.h"
-#include "env.h"
 #include "env-inl.h"
 #include "node_buffer.h"
 #include "handle_wrap.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "util.h"
 #include "util-inl.h"
diff --git a/src/udp_wrap.h b/src/udp_wrap.h
index ad5f92c0f52b..8baa0235be12 100644
--- a/src/udp_wrap.h
+++ b/src/udp_wrap.h
@@ -6,7 +6,6 @@
 #include "async-wrap.h"
 #include "env.h"
 #include "handle_wrap.h"
-#include "req-wrap.h"
 #include "req-wrap-inl.h"
 #include "uv.h"
 #include "v8.h"
diff --git a/src/uv.cc b/src/uv.cc
index c0e742bf159d..df8b09bc9bbe 100644
--- a/src/uv.cc
+++ b/src/uv.cc
@@ -1,6 +1,5 @@
 #include "uv.h"
 #include "node.h"
-#include "env.h"
 #include "env-inl.h"
 
 namespace node {