diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include
--- a/src/Makefile.qttest.include
+++ b/src/Makefile.qttest.include
@@ -29,12 +29,10 @@
   qt/test/wallettests.h
 
 TEST_BITCOIN_CPP = \
-  test/test_bitcoin.cpp \
-  test/testutil.cpp
+  test/test_bitcoin.cpp
 
 TEST_BITCOIN_H = \
-  test/test_bitcoin.h \
-  test/testutil.h
+  test/test_bitcoin.h
 
 qt_test_test_bitcoin_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
   $(QT_INCLUDES) $(QT_TEST_INCLUDES) $(PROTOBUF_CFLAGS)
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -103,8 +103,6 @@
   test/test_bitcoin.cpp \
   test/test_bitcoin.h \
   test/test_bitcoin_main.cpp \
-  test/testutil.cpp \
-  test/testutil.h \
   test/timedata_tests.cpp \
   test/transaction_tests.cpp \
   test/txvalidationcache_tests.cpp \
diff --git a/src/qt/test/CMakeLists.txt b/src/qt/test/CMakeLists.txt
--- a/src/qt/test/CMakeLists.txt
+++ b/src/qt/test/CMakeLists.txt
@@ -16,7 +16,6 @@
 	
 	# Test framework
 	../../test/test_bitcoin.cpp
-	../../test/testutil.cpp
 )
 
 target_link_libraries(test_bitcoin-qt bitcoin-qt-base Qt5::Test)
diff --git a/src/qt/test/rpcnestedtests.cpp b/src/qt/test/rpcnestedtests.cpp
--- a/src/qt/test/rpcnestedtests.cpp
+++ b/src/qt/test/rpcnestedtests.cpp
@@ -12,7 +12,6 @@
 #include "rpc/server.h"
 #include "rpcconsole.h"
 #include "test/test_bitcoin.h"
-#include "test/testutil.h"
 #include "univalue.h"
 #include "util.h"
 #include "validation.h"
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -117,7 +117,6 @@
 	sync_tests.cpp
 	test_bitcoin.cpp
 	test_bitcoin_main.cpp
-	testutil.cpp
 	timedata_tests.cpp
 	transaction_tests.cpp
 	txvalidationcache_tests.cpp
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -25,8 +25,6 @@
 #include "ui_interface.h"
 #include "validation.h"
 
-#include "test/testutil.h"
-
 #include <atomic>
 #include <chrono>
 #include <condition_variable>
@@ -86,9 +84,9 @@
     RPCServer rpcServer;
     RegisterAllRPCCommands(config, rpcServer, tableRPC);
     ClearDatadirCache();
-    pathTemp = GetTempPath() / strprintf("test_bitcoin_%lu_%i",
-                                         (unsigned long)GetTime(),
-                                         (int)(InsecureRandRange(100000)));
+    pathTemp = fs::temp_directory_path() /
+               strprintf("test_bitcoin_%lu_%i", (unsigned long)GetTime(),
+                         (int)(InsecureRandRange(100000)));
     fs::create_directories(pathTemp);
     gArgs.ForceSetArg("-datadir", pathTemp.string());
 
diff --git a/src/test/testutil.h b/src/test/testutil.h
deleted file mode 100644
--- a/src/test/testutil.h
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2009-2016 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-/**
- * Utility functions shared by unit tests
- */
-#ifndef BITCOIN_TEST_TESTUTIL_H
-#define BITCOIN_TEST_TESTUTIL_H
-
-#include "fs.h"
-
-fs::path GetTempPath();
-
-#endif // BITCOIN_TEST_TESTUTIL_H
diff --git a/src/test/testutil.cpp b/src/test/testutil.cpp
deleted file mode 100644
--- a/src/test/testutil.cpp
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (c) 2009-2016 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include "testutil.h"
-#include "fs.h"
-
-#ifdef WIN32
-#include <shlobj.h>
-#endif
-
-fs::path GetTempPath() {
-    return fs::temp_directory_path();
-}