diff --git a/hphp/runtime/tmp/README b/hphp/runtime/tmp/README
index 4e2b9730e..8be95b542 100644
--- a/hphp/runtime/tmp/README
+++ b/hphp/runtime/tmp/README
@@ -1,2 +1 @@
-
-Do not manually add any files in this directory. This is for holding generated .cpp files, compiling them and linking with hphp_cpp_base.so.
+Temporary directory used by TestServer and TestDebugger.
diff --git a/hphp/runtime/tmp/mergecpp.sh b/hphp/runtime/tmp/mergecpp.sh
deleted file mode 100755
index 3b8611ea0..000000000
--- a/hphp/runtime/tmp/mergecpp.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#/bin/sh
-# called by src/
-
-cd runtime/tmp/$1
-cat *.cpp > temp.txt
-rm *.cpp
-mv temp.txt all.cpp
diff --git a/hphp/runtime/tmp/run.cpp b/hphp/runtime/tmp/run.cpp
deleted file mode 100644
index 1309c24f9..000000000
--- a/hphp/runtime/tmp/run.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-   +----------------------------------------------------------------------+
-   | HipHop for PHP                                                       |
-   +----------------------------------------------------------------------+
-   | Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com)         |
-   +----------------------------------------------------------------------+
-   | This source file is subject to version 3.01 of the PHP license,      |
-   | that is bundled with this package in the file LICENSE, and is        |
-   | available through the world-wide-web at the following url:           |
-   | http://www.php.net/license/3_01.txt                                  |
-   | If you did not receive a copy of the PHP license and are unable to   |
-   | obtain it through the world-wide-web, please send a note to          |
-   | license@php.net so we can mail you a copy immediately.               |
-   +----------------------------------------------------------------------+
-*/
-/*
-   +----------------------------------------------------------------------+
-   | HipHop for PHP                                                       |
-   +----------------------------------------------------------------------+
-   | Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com)         |
-   +----------------------------------------------------------------------+
-   | This source file is subject to version 3.01 of the PHP license,      |
-   | that is bundled with this package in the file LICENSE, and is        |
-   | available through the world-wide-web at the following url:           |
-   | http://www.php.net/license/3_01.txt                                  |
-   | If you did not receive a copy of the PHP license and are unable to   |
-   | obtain it through the world-wide-web, please send a note to          |
-   | license@php.net so we can mail you a copy immediately.               |
-   +----------------------------------------------------------------------+
-*/
diff --git a/hphp/runtime/tmp/test.c b/hphp/runtime/tmp/test.c
deleted file mode 100644
index 55b6ec42c..000000000
--- a/hphp/runtime/tmp/test.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
-   +----------------------------------------------------------------------+
-   | HipHop for PHP                                                       |
-   +----------------------------------------------------------------------+
-   | Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com)         |
-   +----------------------------------------------------------------------+
-   | This source file is subject to version 3.01 of the PHP license,      |
-   | that is bundled with this package in the file LICENSE, and is        |
-   | available through the world-wide-web at the following url:           |
-   | http://www.php.net/license/3_01.txt                                  |
-   | If you did not receive a copy of the PHP license and are unable to   |
-   | obtain it through the world-wide-web, please send a note to          |
-   | license@php.net so we can mail you a copy immediately.               |
-   +----------------------------------------------------------------------+
-*/
-int main (int argc, char * argv) {}