diff --git a/src/common/compat.c b/src/common/compat.c
deleted file mode 100644
index c159e65c79..0000000000
--- a/src/common/compat.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* Copyright (c) 2003-2004, Roger Dingledine
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2018, The Tor Project, Inc. */
-/* See LICENSE for licensing information */
-
-/**
- * \file compat.c
- * \brief Wrappers to make calls more portable.  This code defines
- * functions such as tor_snprintf, get/set various data types,
- * renaming, setting socket options, switching user IDs.  It is basically
- * where the non-portable items are conditionally included depending on
- * the platform.
- **/
-
-#define COMPAT_PRIVATE
-#include "common/compat.h"
-
-#ifdef _WIN32
-#include <winsock2.h>
-#include <windows.h>
-#include <sys/locking.h>
-#endif
-
-#ifdef HAVE_UNAME
-#include <sys/utsname.h>
-#endif
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SYSCTL_H
-#include <sys/sysctl.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_UTIME_H
-#include <utime.h>
-#endif
-#ifdef HAVE_SYS_UTIME_H
-#include <sys/utime.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_SYS_FCNTL_H
-#include <sys/fcntl.h>
-#endif
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#ifdef HAVE_GRP_H
-#include <grp.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_SYS_STATVFS_H
-#include <sys/statvfs.h>
-#endif
-#ifdef HAVE_SYS_CAPABILITY_H
-#include <sys/capability.h>
-#endif
-
-/* Includes for the process attaching prevention */
-#if defined(HAVE_SYS_PRCTL_H) && defined(__linux__)
-/* Only use the linux prctl;  the IRIX prctl is totally different */
-#include <sys/prctl.h>
-#elif defined(__APPLE__)
-#include <sys/ptrace.h>
-#endif /* defined(HAVE_SYS_PRCTL_H) && defined(__linux__) || ... */
-
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h> /* FreeBSD needs this to know what version it is */
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-#ifdef HAVE_MMAP
-#include <sys/mman.h>
-#endif
-#ifdef HAVE_SYS_SYSLIMITS_H
-#include <sys/syslimits.h>
-#endif
-#ifdef HAVE_SYS_FILE_H
-#include <sys/file.h>
-#endif
-
-#include "lib/log/torlog.h"
-#include "common/util.h"
-#include "lib/container/smartlist.h"
-#include "lib/wallclock/tm_cvt.h"
-#include "lib/net/address.h"
-#include "lib/sandbox/sandbox.h"
-
-/*
- *   Process control
- */
diff --git a/src/common/include.am b/src/common/include.am
index a7a3b30f70..9bc9bb65bd 100644
--- a/src/common/include.am
+++ b/src/common/include.am
@@ -19,8 +19,6 @@ endif
 
 LIBOR_A_SRC = \
   src/common/address_set.c				\
-  src/common/compat.c					\
-  src/common/util.c					\
   src/common/token_bucket.c				\
   src/common/workqueue.c				\
   $(libor_extra_source)
diff --git a/src/common/util.c b/src/common/util.c
deleted file mode 100644
index 5d1d91153c..0000000000
--- a/src/common/util.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* Copyright (c) 2003, Roger Dingledine
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2018, The Tor Project, Inc. */
-/* See LICENSE for licensing information */
-
-/**
- * \file util.c
- * \brief Common functions for strings, IO, network, data structures,
- * process control.
- **/
-
-#include "orconfig.h"
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#define UTIL_PRIVATE
-#include "common/util.h"
-#include "lib/log/torlog.h"
-#include "lib/crypt_ops/crypto_digest.h"
-#include "lib/cc/torint.h"
-#include "lib/container/smartlist.h"
-#include "lib/fdio/fdio.h"
-#include "lib/net/address.h"
-#include "lib/sandbox/sandbox.h"
-#include "lib/err/backtrace.h"
-#include "lib/process/waitpid.h"
-#include "lib/encoding/binascii.h"
-
-#ifdef _WIN32
-#include <io.h>
-#include <direct.h>
-#include <process.h>
-#include <tchar.h>
-#include <winbase.h>
-#else /* !(defined(_WIN32)) */
-#include <dirent.h>
-#include <pwd.h>
-#include <grp.h>
-#endif /* defined(_WIN32) */
-
-/* math.h needs this on Linux */
-#ifndef _USE_ISOC99_
-#define _USE_ISOC99_ 1
-#endif
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <signal.h>
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_SYS_FCNTL_H
-#include <sys/fcntl.h>
-#endif
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif
-#ifdef HAVE_MALLOC_MALLOC_H
-#include <malloc/malloc.h>
-#endif
-#ifdef HAVE_MALLOC_H
-#if !defined(OpenBSD) && !defined(__FreeBSD__)
-/* OpenBSD has a malloc.h, but for our purposes, it only exists in order to
- * scold us for being so stupid as to autodetect its presence.  To be fair,
- * they've done this since 1996, when autoconf was only 5 years old. */
-#include <malloc.h>
-#endif /* !defined(OpenBSD) && !defined(__FreeBSD__) */
-#endif /* defined(HAVE_MALLOC_H) */
-#ifdef HAVE_MALLOC_NP_H
-#include <malloc_np.h>
-#endif
-#ifdef HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
-#if defined(HAVE_SYS_PRCTL_H) && defined(__linux__)
-#include <sys/prctl.h>
-#endif
-
-/* =====
- * Memory management
- * ===== */
-/* =====
- * Math
- * ===== */
-
-/* =====
- * String manipulation
- * ===== */
-
-/* =====
- * Time
- * ===== */