diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8c9dbc1..2d14e1c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -36,7 +36,6 @@ set(SOURCES
     anbox/daemon.cpp
     anbox/config.cpp
     anbox/not_reachable.cpp
-    anbox/pid_persister.cpp
     anbox/namespace_attacher.cpp
     anbox/container.cpp
     anbox/container_connector.cpp
diff --git a/src/anbox/pid_persister.cpp b/src/anbox/pid_persister.cpp
deleted file mode 100644
index c56ca27..0000000
--- a/src/anbox/pid_persister.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 3, as published
- * by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranties of
- * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <fstream>
-
-#include <boost/filesystem.hpp>
-
-#include "anbox/config.h"
-#include "anbox/utils.h"
-#include "anbox/pid_persister.h"
-
-namespace fs = boost::filesystem;
-
-namespace anbox {
-
-PidPersister::PidPersister() :
-    path_(utils::string_format("%s/pid", config::data_path())) {
-    if (fs::exists(fs::path(path_)))
-        std::remove(path_.c_str());
-
-    std::ofstream file;
-    file.open(path_);
-    file << getpid();
-    file.close();
-}
-
-PidPersister::~PidPersister() {
-    std::remove(path_.c_str());
-}
-
-} // namespace anbox
diff --git a/src/anbox/pid_persister.h b/src/anbox/pid_persister.h
deleted file mode 100644
index fc7cfda..0000000
--- a/src/anbox/pid_persister.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 3, as published
- * by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranties of
- * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#ifndef ANBOX_PID_PERSISTER_H_
-#define ANBOX_PID_PERSISTER_H_
-
-#include <string>
-
-namespace anbox {
-class PidPersister {
-public:
-    PidPersister();
-    ~PidPersister();
-
-private:
-    std::string path_;
-};
-} // namespace anbox
-
-#endif