diff --git a/include/bitcoin/network/async/desubscriber.hpp b/include/bitcoin/network/async/desubscriber.hpp
index fbacec63a..4a7e8b33e 100644
--- a/include/bitcoin/network/async/desubscriber.hpp
+++ b/include/bitcoin/network/async/desubscriber.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_ASYNC_DESUBSCRIBER_HPP
 #define LIBBITCOIN_NETWORK_ASYNC_DESUBSCRIBER_HPP
 
-#include <functional>
 #include <map>
 #include <utility>
 #include <bitcoin/network/async/asio.hpp>
diff --git a/include/bitcoin/network/async/handlers.hpp b/include/bitcoin/network/async/handlers.hpp
index ff6bdb44b..4697b6b81 100644
--- a/include/bitcoin/network/async/handlers.hpp
+++ b/include/bitcoin/network/async/handlers.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_ASYNC_HANDLERS_HPP
 #define LIBBITCOIN_NETWORK_ASYNC_HANDLERS_HPP
 
-#include <functional>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/define.hpp>
 
diff --git a/include/bitcoin/network/async/races/race_all.hpp b/include/bitcoin/network/async/races/race_all.hpp
index fa8408912..7da3f762e 100644
--- a/include/bitcoin/network/async/races/race_all.hpp
+++ b/include/bitcoin/network/async/races/race_all.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_ASYNC_RACES_RACE_ALL_HPP
 #define LIBBITCOIN_NETWORK_ASYNC_RACES_RACE_ALL_HPP
 
-#include <functional>
 #include <memory>
 #include <bitcoin/network/define.hpp>
 #include <bitcoin/network/async/handlers.hpp>
diff --git a/include/bitcoin/network/async/subscriber.hpp b/include/bitcoin/network/async/subscriber.hpp
index 4c0076aef..f44ed9187 100644
--- a/include/bitcoin/network/async/subscriber.hpp
+++ b/include/bitcoin/network/async/subscriber.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_ASYNC_SUBSCRIBER_HPP
 #define LIBBITCOIN_NETWORK_ASYNC_SUBSCRIBER_HPP
 
-#include <functional>
 #include <bitcoin/network/async/asio.hpp>
 #include <bitcoin/network/define.hpp>
 
diff --git a/include/bitcoin/network/async/unsubscriber.hpp b/include/bitcoin/network/async/unsubscriber.hpp
index f3c858af6..504c4f81b 100644
--- a/include/bitcoin/network/async/unsubscriber.hpp
+++ b/include/bitcoin/network/async/unsubscriber.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_ASYNC_UNSUBSCRIBER_HPP
 #define LIBBITCOIN_NETWORK_ASYNC_UNSUBSCRIBER_HPP
 
-#include <functional>
 #include <list>
 #include <utility>
 #include <bitcoin/network/async/asio.hpp>
diff --git a/include/bitcoin/network/config/address.hpp b/include/bitcoin/network/config/address.hpp
index abf4c8f9d..807634976 100644
--- a/include/bitcoin/network/config/address.hpp
+++ b/include/bitcoin/network/config/address.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_CONFIG_ADDRESS_HPP
 #define LIBBITCOIN_NETWORK_CONFIG_ADDRESS_HPP
 
-#include <iostream>
 #include <memory>
 #include <bitcoin/network/async/async.hpp>
 #include <bitcoin/network/define.hpp>
diff --git a/include/bitcoin/network/config/authority.hpp b/include/bitcoin/network/config/authority.hpp
index 8e0b7449b..b4ec6f85c 100644
--- a/include/bitcoin/network/config/authority.hpp
+++ b/include/bitcoin/network/config/authority.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_CONFIG_AUTHORITY_HPP
 #define LIBBITCOIN_NETWORK_CONFIG_AUTHORITY_HPP
 
-#include <iostream>
 #include <memory>
 #include <bitcoin/network/async/async.hpp>
 #include <bitcoin/network/config/address.hpp>
diff --git a/include/bitcoin/network/config/endpoint.hpp b/include/bitcoin/network/config/endpoint.hpp
index 60038be22..cabad9552 100644
--- a/include/bitcoin/network/config/endpoint.hpp
+++ b/include/bitcoin/network/config/endpoint.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_CONFIG_ENDPOINT_HPP
 #define LIBBITCOIN_NETWORK_CONFIG_ENDPOINT_HPP
 
-#include <iostream>
 #include <memory>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/include/bitcoin/network/log/logger.hpp b/include/bitcoin/network/log/logger.hpp
index 2934ffefb..94a97c252 100644
--- a/include/bitcoin/network/log/logger.hpp
+++ b/include/bitcoin/network/log/logger.hpp
@@ -21,7 +21,6 @@
 
 #include <atomic>
 #include <chrono>
-#include <ostream>
 #include <sstream>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/include/bitcoin/network/net/acceptor.hpp b/include/bitcoin/network/net/acceptor.hpp
index ea458a029..81191dd51 100644
--- a/include/bitcoin/network/net/acceptor.hpp
+++ b/include/bitcoin/network/net/acceptor.hpp
@@ -20,7 +20,6 @@
 #define LIBBITCOIN_NETWORK_NET_ACCEPTOR_HPP
 
 #include <atomic>
-#include <functional>
 #include <memory>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/include/bitcoin/network/net/broadcaster.hpp b/include/bitcoin/network/net/broadcaster.hpp
index 8df95d3b1..af5fbe9a9 100644
--- a/include/bitcoin/network/net/broadcaster.hpp
+++ b/include/bitcoin/network/net/broadcaster.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_NET_BROADCASTER_HPP
 #define LIBBITCOIN_NETWORK_NET_BROADCASTER_HPP
 
-#include <functional>
 #include <utility>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/include/bitcoin/network/net/distributor.hpp b/include/bitcoin/network/net/distributor.hpp
index 735196f9f..23b444c65 100644
--- a/include/bitcoin/network/net/distributor.hpp
+++ b/include/bitcoin/network/net/distributor.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_NET_DISTRIBUTOR_HPP
 #define LIBBITCOIN_NETWORK_NET_DISTRIBUTOR_HPP
 
-#include <functional>
 #include <utility>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/include/bitcoin/network/net/hosts.hpp b/include/bitcoin/network/net/hosts.hpp
index 390a0e2e9..8f1a0998f 100644
--- a/include/bitcoin/network/net/hosts.hpp
+++ b/include/bitcoin/network/net/hosts.hpp
@@ -22,7 +22,6 @@
 #include <algorithm>
 #include <atomic>
 #include <filesystem>
-#include <functional>
 #include <memory>
 #include <unordered_set>
 #include <bitcoin/system.hpp>
diff --git a/include/bitcoin/network/net/proxy.hpp b/include/bitcoin/network/net/proxy.hpp
index 20e5ecd91..434eace49 100644
--- a/include/bitcoin/network/net/proxy.hpp
+++ b/include/bitcoin/network/net/proxy.hpp
@@ -21,7 +21,6 @@
 
 #include <atomic>
 #include <deque>
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/include/bitcoin/network/net/socket.hpp b/include/bitcoin/network/net/socket.hpp
index ec4fe7fc8..86a72b633 100644
--- a/include/bitcoin/network/net/socket.hpp
+++ b/include/bitcoin/network/net/socket.hpp
@@ -20,7 +20,6 @@
 #define LIBBITCOIN_NETWORK_NET_SOCKET_HPP
 
 #include <atomic>
-#include <functional>
 #include <memory>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/include/bitcoin/network/p2p.hpp b/include/bitcoin/network/p2p.hpp
index da76e181f..c20e6ecd7 100644
--- a/include/bitcoin/network/p2p.hpp
+++ b/include/bitcoin/network/p2p.hpp
@@ -20,9 +20,7 @@
 #define LIBBITCOIN_NETWORK_P2P_HPP
 
 #include <atomic>
-#include <functional>
 #include <memory>
-#include <vector>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
 #include <bitcoin/network/config/config.hpp>
diff --git a/include/bitcoin/network/protocols/protocol.hpp b/include/bitcoin/network/protocols/protocol.hpp
index f2501f55b..7f7cf01ff 100644
--- a/include/bitcoin/network/protocols/protocol.hpp
+++ b/include/bitcoin/network/protocols/protocol.hpp
@@ -19,7 +19,6 @@
 #ifndef LIBBITCOIN_NETWORK_PROTOCOL_HPP
 #define LIBBITCOIN_NETWORK_PROTOCOL_HPP
 
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/include/bitcoin/network/sessions/session.hpp b/include/bitcoin/network/sessions/session.hpp
index 04a0b56cc..fad146d9c 100644
--- a/include/bitcoin/network/sessions/session.hpp
+++ b/include/bitcoin/network/sessions/session.hpp
@@ -20,7 +20,6 @@
 #define LIBBITCOIN_NETWORK_SESSION_HPP
 
 #include <atomic>
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/src/config/address.cpp b/src/config/address.cpp
index 00c961ce3..e8d558e41 100644
--- a/src/config/address.cpp
+++ b/src/config/address.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/config/address.hpp>
 
-#include <iostream>
 #include <sstream>
 #include <utility>
 #include <bitcoin/network/config/authority.hpp>
diff --git a/src/config/authority.cpp b/src/config/authority.cpp
index b1d978fb5..62a302e8f 100644
--- a/src/config/authority.cpp
+++ b/src/config/authority.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/config/authority.hpp>
 
-#include <iostream>
 #include <sstream>
 #include <bitcoin/network/async/async.hpp>
 #include <bitcoin/network/config/utilities.hpp>
diff --git a/src/config/endpoint.cpp b/src/config/endpoint.cpp
index 988ae707e..ff0b5e4fb 100644
--- a/src/config/endpoint.cpp
+++ b/src/config/endpoint.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/config/endpoint.hpp>
 
-#include <iostream>
 #include <sstream>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/src/net/acceptor.cpp b/src/net/acceptor.cpp
index 012e117d2..0112b1d53 100644
--- a/src/net/acceptor.cpp
+++ b/src/net/acceptor.cpp
@@ -19,7 +19,6 @@
 #include <bitcoin/network/net/acceptor.hpp>
 
 #include <atomic>
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/src/net/channel.cpp b/src/net/channel.cpp
index d82a2bfb8..abca6bc2a 100644
--- a/src/net/channel.cpp
+++ b/src/net/channel.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/net/channel.hpp>
 
-#include <functional>
 #include <memory>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/src/net/connector.cpp b/src/net/connector.cpp
index 14fcf263a..71d89cabe 100644
--- a/src/net/connector.cpp
+++ b/src/net/connector.cpp
@@ -19,7 +19,6 @@
 #include <bitcoin/network/net/connector.hpp>
 
 #include <atomic>
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/src/net/deadline.cpp b/src/net/deadline.cpp
index 329d74ac9..0a917f914 100644
--- a/src/net/deadline.cpp
+++ b/src/net/deadline.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/net/deadline.hpp>
 
-#include <functional>
 #include <utility>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/src/net/hosts.cpp b/src/net/hosts.cpp
index 291fbbc85..4a50700d2 100644
--- a/src/net/hosts.cpp
+++ b/src/net/hosts.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/net/hosts.hpp>
 
-#include <functional>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
 #include <bitcoin/network/config/config.hpp>
diff --git a/src/net/socket.cpp b/src/net/socket.cpp
index 3f7e5cf9a..27adefcdb 100644
--- a/src/net/socket.cpp
+++ b/src/net/socket.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/net/socket.hpp>
 
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/src/p2p.cpp b/src/p2p.cpp
index c4b48bd73..1184fc639 100644
--- a/src/p2p.cpp
+++ b/src/p2p.cpp
@@ -19,7 +19,6 @@
 #include <bitcoin/network/p2p.hpp>
 
 #include <algorithm>
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/src/protocols/protocol_ping_60001.cpp b/src/protocols/protocol_ping_60001.cpp
index 39871bdce..39c126373 100644
--- a/src/protocols/protocol_ping_60001.cpp
+++ b/src/protocols/protocol_ping_60001.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/protocols/protocol_ping_60001.hpp>
 
-#include <functional>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/define.hpp>
 #include <bitcoin/network/log/log.hpp>
diff --git a/src/sessions/session.cpp b/src/sessions/session.cpp
index 1f9d88e6c..87a990778 100644
--- a/src/sessions/session.cpp
+++ b/src/sessions/session.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/sessions/session.hpp>
 
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/src/sessions/session_inbound.cpp b/src/sessions/session_inbound.cpp
index 3cf1154bf..f6a79d941 100644
--- a/src/sessions/session_inbound.cpp
+++ b/src/sessions/session_inbound.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/sessions/session_inbound.hpp>
 
-#include <functional>
 #include <utility>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/log/log.hpp>
diff --git a/src/sessions/session_manual.cpp b/src/sessions/session_manual.cpp
index 518c1a07c..b4044aa02 100644
--- a/src/sessions/session_manual.cpp
+++ b/src/sessions/session_manual.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/sessions/session_manual.hpp>
 
-#include <functional>
 #include <utility>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network/async/async.hpp>
diff --git a/src/sessions/session_seed.cpp b/src/sessions/session_seed.cpp
index 0ee90d230..a4918706b 100644
--- a/src/sessions/session_seed.cpp
+++ b/src/sessions/session_seed.cpp
@@ -18,7 +18,6 @@
  */
 #include <bitcoin/network/sessions/session_seed.hpp>
 
-#include <functional>
 #include <memory>
 #include <utility>
 #include <bitcoin/system.hpp>
diff --git a/test/p2p.cpp b/test/p2p.cpp
index 88e41127b..f2c0e3678 100644
--- a/test/p2p.cpp
+++ b/test/p2p.cpp
@@ -20,7 +20,6 @@
 
 #include <cstdio>
 #include <future>
-#include <iostream>
 
 struct p2p_tests_setup_fixture
 {
diff --git a/test/test.cpp b/test/test.cpp
index 56c7f89fe..be6002959 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -19,7 +19,6 @@
 #include "test.hpp"
 
 #include <filesystem>
-#include <iostream>
 #include <bitcoin/system.hpp>
 
 // copied from libbitcoin-system-test
diff --git a/test/test.hpp b/test/test.hpp
index 5db834e41..9b0c95761 100644
--- a/test/test.hpp
+++ b/test/test.hpp
@@ -22,7 +22,6 @@
 #include <boost/test/unit_test.hpp>
 
 #include <filesystem>
-#include <iostream>
 #include <bitcoin/system.hpp>
 #include <bitcoin/network.hpp>