diff --git a/src/Makefile.am b/src/Makefile.am
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -241,6 +241,7 @@
   util/settings.h \
   util/threadnames.h \
   util/time.h \
+  util/translation.h \
   util/url.h \
   util/validation.h \
   validation.h \
diff --git a/src/Makefile.seedertest.include b/src/Makefile.seedertest.include
--- a/src/Makefile.seedertest.include
+++ b/src/Makefile.seedertest.include
@@ -9,8 +9,9 @@
   $(SEEDER_INCLUDES) $(SEEDER_TEST_INCLUDES) $(TESTDEFS)
 
 SEEDER_TEST_UTIL = \
-	seeder/test/dns_util.h \
-	seeder/test/util.h
+  seeder/test/dns_util.h \
+  seeder/test/translate_support.cpp \
+  seeder/test/util.h
 
 SEEDER_TESTS = \
   seeder/test/p2p_messaging_tests.cpp \
diff --git a/src/banman.cpp b/src/banman.cpp
--- a/src/banman.cpp
+++ b/src/banman.cpp
@@ -9,6 +9,7 @@
 #include <ui_interface.h>
 #include <util/system.h>
 #include <util/time.h>
+#include <util/translation.h>
 
 BanMan::BanMan(fs::path ban_file, const CChainParams &chainparams,
                CClientUIInterface *client_interface, int64_t default_ban_time)
diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp
--- a/src/bitcoin-cli.cpp
+++ b/src/bitcoin-cli.cpp
@@ -15,6 +15,7 @@
 #include <support/events.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 #include <event2/buffer.h>
 #include <event2/keyvalq_struct.h>
@@ -22,6 +23,7 @@
 #include <univalue.h>
 
 #include <cstdio>
+#include <functional>
 #include <memory>
 #include <tuple>
 
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -20,12 +20,14 @@
 #include <util/moneystr.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 #include <univalue.h>
 
 #include <boost/algorithm/string.hpp>
 
 #include <cstdio>
+#include <functional>
 #include <memory>
 
 static bool fCreateBlank;
diff --git a/src/bitcoin-wallet.cpp b/src/bitcoin-wallet.cpp
--- a/src/bitcoin-wallet.cpp
+++ b/src/bitcoin-wallet.cpp
@@ -12,9 +12,11 @@
 #include <logging.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <wallet/wallettool.h>
 
 #include <cstdio>
+#include <functional>
 
 const std::function<std::string(const char *)> G_TRANSLATION_FUN = nullptr;
 
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -23,8 +23,11 @@
 #include <util/strencodings.h>
 #include <util/system.h>
 #include <util/threadnames.h>
+#include <util/translation.h>
 #include <walletinitinterface.h>
 
+#include <functional>
+
 const std::function<std::string(const char *)> G_TRANSLATION_FUN = nullptr;
 
 /* Introduction text for doxygen: */
diff --git a/src/httprpc.cpp b/src/httprpc.cpp
--- a/src/httprpc.cpp
+++ b/src/httprpc.cpp
@@ -16,6 +16,7 @@
 #include <ui_interface.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <walletinitinterface.h>
 
 #include <boost/algorithm/string.hpp> // boost::trim
diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp
--- a/src/index/txindex.cpp
+++ b/src/index/txindex.cpp
@@ -8,6 +8,7 @@
 #include <shutdown.h>
 #include <ui_interface.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <validation.h>
 
 #include <boost/thread.hpp>
diff --git a/src/init.cpp b/src/init.cpp
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -51,6 +51,7 @@
 #include <util/moneystr.h>
 #include <util/system.h>
 #include <util/threadnames.h>
+#include <util/translation.h>
 #include <util/validation.h>
 #include <validation.h>
 #include <validationinterface.h>
diff --git a/src/net.cpp b/src/net.cpp
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -23,6 +23,7 @@
 #include <scheduler.h>
 #include <ui_interface.h>
 #include <util/strencodings.h>
+#include <util/translation.h>
 
 #ifdef WIN32
 #include <cstring>
diff --git a/src/net_permissions.cpp b/src/net_permissions.cpp
--- a/src/net_permissions.cpp
+++ b/src/net_permissions.cpp
@@ -3,8 +3,10 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <net_permissions.h>
+
 #include <netbase.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 // The parse the following format "perm1,perm2@xxxxxx"
 bool TryParsePermissionFlags(const std::string str, NetPermissionFlags &output,
diff --git a/src/noui.cpp b/src/noui.cpp
--- a/src/noui.cpp
+++ b/src/noui.cpp
@@ -7,6 +7,7 @@
 
 #include <ui_interface.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 #include <boost/signals2/connection.hpp>
 #include <boost/signals2/signal.hpp>
diff --git a/src/qt/main.cpp b/src/qt/main.cpp
--- a/src/qt/main.cpp
+++ b/src/qt/main.cpp
@@ -4,6 +4,8 @@
 
 #include <qt/bitcoin.h>
 
+#include <util/translation.h>
+
 #include <QCoreApplication>
 
 #include <functional>
diff --git a/src/qt/splashscreen.cpp b/src/qt/splashscreen.cpp
--- a/src/qt/splashscreen.cpp
+++ b/src/qt/splashscreen.cpp
@@ -16,6 +16,7 @@
 #include <qt/networkstyle.h>
 #include <ui_interface.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <version.h>
 
 #include <QApplication>
diff --git a/src/seeder/main.cpp b/src/seeder/main.cpp
--- a/src/seeder/main.cpp
+++ b/src/seeder/main.cpp
@@ -13,12 +13,14 @@
 #include <streams.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 #include <algorithm>
 #include <atomic>
 #include <cinttypes>
 #include <csignal>
 #include <cstdlib>
+#include <functional>
 #include <pthread.h>
 
 const std::function<std::string(const char *)> G_TRANSLATION_FUN = nullptr;
diff --git a/src/seeder/test/CMakeLists.txt b/src/seeder/test/CMakeLists.txt
--- a/src/seeder/test/CMakeLists.txt
+++ b/src/seeder/test/CMakeLists.txt
@@ -9,6 +9,8 @@
 add_dependencies(check check-bitcoin-seeder)
 
 add_boost_unit_tests_to_suite(bitcoin-seeder test_bitcoin-seeder
+	translate_support.cpp
+
 	TESTS
 		p2p_messaging_tests.cpp
 		parse_name_tests.cpp
diff --git a/src/seeder/test/p2p_messaging_tests.cpp b/src/seeder/test/p2p_messaging_tests.cpp
--- a/src/seeder/test/p2p_messaging_tests.cpp
+++ b/src/seeder/test/p2p_messaging_tests.cpp
@@ -14,15 +14,13 @@
 #include <util/system.h>
 #include <version.h>
 
+#include <boost/test/unit_test.hpp>
+
 #include <memory>
 #include <ostream>
 #include <string>
 #include <vector>
 
-const std::function<std::string(const char *)> G_TRANSLATION_FUN = nullptr;
-
-#include <boost/test/unit_test.hpp>
-
 std::ostream &operator<<(std::ostream &os, const PeerMessagingState &state) {
     os << to_integral(state);
     return os;
diff --git a/src/seeder/test/translate_support.cpp b/src/seeder/test/translate_support.cpp
new file mode 100644
--- /dev/null
+++ b/src/seeder/test/translate_support.cpp
@@ -0,0 +1,15 @@
+// Copyright (c) 2020 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+/**
+ * This file exist for the sole purpose of avoiding link error with the
+ * translate module. For some obscure reason, the seeder tests do not use the
+ * regular boost test framework and instead had various fixtures dumped into one
+ * of its test.
+ */
+#include <util/translation.h>
+
+#include <functional>
+
+const std::function<std::string(const char *)> G_TRANSLATION_FUN = nullptr;
diff --git a/src/test/setup_common.cpp b/src/test/setup_common.cpp
--- a/src/test/setup_common.cpp
+++ b/src/test/setup_common.cpp
@@ -30,10 +30,12 @@
 #include <txmempool.h>
 #include <util/strencodings.h>
 #include <util/time.h>
+#include <util/translation.h>
 #include <util/validation.h>
 #include <validation.h>
 #include <validationinterface.h>
 
+#include <functional>
 #include <memory>
 
 const std::function<std::string(const char *)> G_TRANSLATION_FUN = nullptr;
diff --git a/src/timedata.cpp b/src/timedata.cpp
--- a/src/timedata.cpp
+++ b/src/timedata.cpp
@@ -13,6 +13,7 @@
 #include <ui_interface.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <warnings.h>
 
 static RecursiveMutex cs_nTimeOffset;
diff --git a/src/txdb.cpp b/src/txdb.cpp
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -13,6 +13,7 @@
 #include <shutdown.h>
 #include <ui_interface.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 #include <boost/thread.hpp> // boost::this_thread::interruption_point() (mingw)
 
diff --git a/src/util/error.cpp b/src/util/error.cpp
--- a/src/util/error.cpp
+++ b/src/util/error.cpp
@@ -4,7 +4,9 @@
 
 #include <util/error.h>
 
+#include <tinyformat.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 std::string TransactionErrorString(const TransactionError error) {
     switch (error) {
diff --git a/src/util/system.h b/src/util/system.h
--- a/src/util/system.h
+++ b/src/util/system.h
@@ -41,17 +41,6 @@
 
 extern const char *const BITCOIN_CONF_FILENAME;
 
-/** Translate a message to the native language of the user. */
-const extern std::function<std::string(const char *)> G_TRANSLATION_FUN;
-
-/**
- * Translation function.
- * If no translation function is set, simply return the input.
- */
-inline std::string _(const char *psz) {
-    return G_TRANSLATION_FUN ? (G_TRANSLATION_FUN)(psz) : psz;
-}
-
 void SetupEnvironment();
 bool SetupNetworking();
 
diff --git a/src/util/system.cpp b/src/util/system.cpp
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -16,6 +16,7 @@
 #include <serialize.h>
 #include <util/strencodings.h>
 #include <util/time.h>
+#include <util/translation.h>
 
 #include <univalue.h>
 
diff --git a/src/util/translation.h b/src/util/translation.h
new file mode 100644
--- /dev/null
+++ b/src/util/translation.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_UTIL_TRANSLATION_H
+#define BITCOIN_UTIL_TRANSLATION_H
+
+#include <functional>
+
+/** Translate a message to the native language of the user. */
+const extern std::function<std::string(const char *)> G_TRANSLATION_FUN;
+
+/**
+ * Translation function.
+ * If no translation function is set, simply return the input.
+ */
+inline std::string _(const char *psz) {
+    return G_TRANSLATION_FUN ? (G_TRANSLATION_FUN)(psz) : psz;
+}
+
+#endif // BITCOIN_UTIL_TRANSLATION_H
diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -47,6 +47,7 @@
 #include <util/moneystr.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <util/validation.h>
 #include <validationinterface.h>
 #include <warnings.h>
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -11,6 +11,7 @@
 #include <protocol.h>
 #include <util/strencodings.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <wallet/walletutil.h>
 
 #include <boost/thread.hpp> // boost::this_thread::interruption_point() (mingw)
diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
--- a/src/wallet/init.cpp
+++ b/src/wallet/init.cpp
@@ -12,6 +12,7 @@
 #include <util/error.h>
 #include <util/moneystr.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <validation.h>
 #include <wallet/rpcdump.h>
 #include <wallet/rpcwallet.h>
diff --git a/src/wallet/load.cpp b/src/wallet/load.cpp
--- a/src/wallet/load.cpp
+++ b/src/wallet/load.cpp
@@ -8,6 +8,7 @@
 #include <interfaces/chain.h>
 #include <scheduler.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <wallet/wallet.h>
 
 bool VerifyWallets(const CChainParams &chainParams, interfaces::Chain &chain,
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -15,6 +15,7 @@
 #include <sync.h>
 #include <util/system.h>
 #include <util/time.h>
+#include <util/translation.h>
 #include <validation.h>
 #include <wallet/rpcwallet.h>
 #include <wallet/wallet.h>
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -32,6 +32,7 @@
 #include <util/error.h>
 #include <util/moneystr.h>
 #include <util/system.h>
+#include <util/translation.h>
 #include <util/validation.h>
 #include <validation.h>
 #include <wallet/coincontrol.h>
diff --git a/src/warnings.cpp b/src/warnings.cpp
--- a/src/warnings.cpp
+++ b/src/warnings.cpp
@@ -8,6 +8,7 @@
 #include <clientversion.h>
 #include <sync.h>
 #include <util/system.h>
+#include <util/translation.h>
 
 RecursiveMutex cs_warnings;
 std::string strMiscWarning;