diff --git a/boot.php b/boot.php
index 8218c80040..ec028770ac 100644
--- a/boot.php
+++ b/boot.php
@@ -32,7 +32,6 @@ require_once('include/cache.php');
 require_once('library/Mobile_Detect/Mobile_Detect.php');
 require_once('include/features.php');
 require_once('include/identity.php');
-require_once('include/pidfile.php');
 require_once('update.php');
 require_once('include/dbstructure.php');
 
@@ -1346,58 +1345,25 @@ class App {
 		return false;
 	}
 
-	/**
-	 * @brief Checks if the process is already running
-	 *
-	 * @param string $taskname The name of the task that will be used for the name of the lockfile
-	 * @param string $task The path and name of the php script
-	 * @param int $timeout The timeout after which a task should be killed
-	 *
-	 * @return bool Is the process running?
-	 */
-	function is_already_running($taskname, $task = "", $timeout = 540) {
-
-		$lockpath = get_lockpath();
-		if ($lockpath != '') {
-			$pidfile = new pidfile($lockpath, $taskname);
-			if ($pidfile->is_already_running()) {
-				logger("Already running");
-				if ($pidfile->running_time() > $timeout) {
-					$pidfile->kill();
-					logger("killed stale process");
-					// Calling a new instance
-					if ($task != "")
-						proc_run(PRIORITY_MEDIUM, $task);
-				}
-				return true;
-			}
-		}
-		return false;
-	}
-
 	function proc_run($args) {
 
 		if (!function_exists("proc_open")) {
 			return;
 		}
 
-		// Add the php path if it is a php call
-		if (count($args) && ($args[0] === 'php' OR !is_string($args[0]))) {
-
-			// If the last worker fork was less than 10 seconds before then don't fork another one.
-			// This should prevent the forking of masses of workers.
-			$cachekey = "app:proc_run:started";
-			$result = Cache::get($cachekey);
-			if (!is_null($result)) {
-				if ((time() - $result) < 10) {
-					return;
-				}
+		// If the last worker fork was less than 10 seconds before then don't fork another one.
+		// This should prevent the forking of masses of workers.
+		$cachekey = "app:proc_run:started";
+		$result = Cache::get($cachekey);
+		if (!is_null($result)) {
+			if ((time() - $result) < 10) {
+				return;
 			}
-			// Set the timestamp of the last proc_run
-			Cache::set($cachekey, time(), CACHE_MINUTE);
-
-			$args[0] = ((x($this->config,'php_path')) && (strlen($this->config['php_path'])) ? $this->config['php_path'] : 'php');
 		}
+		// Set the timestamp of the last proc_run
+		Cache::set($cachekey, time(), CACHE_MINUTE);
+
+		array_unshift($args, ((x($this->config,'php_path')) && (strlen($this->config['php_path'])) ? $this->config['php_path'] : 'php'));
 
 		// add baseurl to args. cli scripts can't construct it
 		$args[] = $this->get_baseurl();
@@ -1950,10 +1916,9 @@ function get_max_import_size() {
  * @brief Wrap calls to proc_close(proc_open()) and call hook
  *	so plugins can take part in process :)
  *
- * @param (string|integer|array) $cmd program to run, priority or parameter array
+ * @param (integer|array) priority or parameter array, $cmd atrings are deprecated and are ignored
  *
  * next args are passed as $cmd command line
- * e.g.: proc_run("ls","-la","/tmp");
  * or: proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id);
  * or: proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id);
  *
@@ -1998,12 +1963,6 @@ function proc_run($cmd){
 	if (!$arr['run_cmd'] OR !count($args))
 		return;
 
-	/// @todo I guess we can remove it, since we don't call it with something different
-	if (is_string($run_parameter) AND ($run_parameter != 'php')) {
-		$a->proc_run($args);
-		return;
-	}
-
 	$priority = PRIORITY_MEDIUM;
 	$dont_fork = get_config("system", "worker_dont_fork");
 
@@ -2051,7 +2010,7 @@ function proc_run($cmd){
 		return;
 
 	// Now call the poller to execute the jobs that we just added to the queue
-	$args = array("php", "include/poller.php", "no_cron");
+	$args = array("include/poller.php", "no_cron");
 
 	$a->proc_run($args);
 }
@@ -2385,38 +2344,6 @@ function get_itemcachepath() {
 	return "";
 }
 
-function get_lockpath() {
-	$lockpath = get_config('system','lockpath');
-	if (($lockpath != "") AND App::directory_usable($lockpath)) {
-		// We have a lock path and it is usable
-		return $lockpath;
-	}
-
-	// We don't have a working preconfigured lock path, so we take the temp path.
-	$temppath = get_temppath();
-
-	if ($temppath != "") {
-		// To avoid any interferences with other systems we create our own directory
-		$lockpath = $temppath."/lock";
-		if (!is_dir($lockpath)) {
-			mkdir($lockpath);
-		}
-
-		if (App::directory_usable($lockpath)) {
-			// The new path is usable, we are happy
-			set_config("system", "lockpath", $lockpath);
-			return $lockpath;
-		} else {
-			// We can't create a subdirectory, strange.
-			// But the directory seems to work, so we use it but don't store it.
-			return $temppath;
-		}
-	}
-
-	// Reaching this point means that the operating system is configured badly.
-	return "";
-}
-
 /**
  * @brief Returns the path where spool files are stored
  *
diff --git a/include/pidfile.php b/include/pidfile.php
deleted file mode 100644
index 3093e149ae..0000000000
--- a/include/pidfile.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-class pidfile {
-	private $_file;
-	private $_running;
-
-	public function __construct($dir, $name) {
-		$this->_file = "$dir/$name.pid";
-
-		if (file_exists($this->_file)) {
-			$pid = trim(@file_get_contents($this->_file));
-			if (($pid != "") AND posix_kill($pid, 0)) {
-				$this->_running = true;
-			}
-		}
-
-		if (! $this->_running) {
-			$pid = getmypid();
-			file_put_contents($this->_file, $pid);
-		}
-	}
-
-	public function __destruct() {
-		if ((! $this->_running) && file_exists($this->_file)) {
-			@unlink($this->_file);
-		}
-	}
-
-	public function is_already_running() {
-		return $this->_running;
-	}
-
-	public function running_time() {
-		return(time() - @filectime($this->_file));
-	}
-
-	public function kill() {
-		if (file_exists($this->_file))
-			return(posix_kill(file_get_contents($this->_file), SIGTERM));
-	}
-}
-?>
diff --git a/include/poller.php b/include/poller.php
index 0629735163..89ab85a1f5 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -458,7 +458,7 @@ function poller_too_much_workers() {
 		// Are there fewer workers running as possible? Then fork a new one.
 		if (!Config::get("system", "worker_dont_fork") AND ($queues > ($active + 1)) AND ($entries > 1)) {
 			logger("Active workers: ".$active."/".$queues." Fork a new worker.", LOGGER_DEBUG);
-			$args = array("php", "include/poller.php", "no_cron");
+			$args = array("include/poller.php", "no_cron");
 			$a = get_app();
 			$a->proc_run($args);
 		}
@@ -604,7 +604,7 @@ function call_worker_if_idle() {
 
 		logger('Call poller', LOGGER_DEBUG);
 
-		$args = array("php", "include/poller.php", "no_cron");
+		$args = array("include/poller.php", "no_cron");
 		$a = get_app();
 		$a->proc_run($args);
 		return;
diff --git a/mod/admin.php b/mod/admin.php
index a8fe219a17..d599220d65 100644
--- a/mod/admin.php
+++ b/mod/admin.php
@@ -650,7 +650,6 @@ function admin_page_site_post(App $a) {
 	$itemcache		=	((x($_POST,'itemcache'))		? notags(trim($_POST['itemcache']))		: '');
 	$itemcache_duration	=	((x($_POST,'itemcache_duration'))	? intval($_POST['itemcache_duration'])		: 0);
 	$max_comments		=	((x($_POST,'max_comments'))		? intval($_POST['max_comments'])		: 0);
-	$lockpath		=	((x($_POST,'lockpath'))			? notags(trim($_POST['lockpath']))		: '');
 	$temppath		=	((x($_POST,'temppath'))			? notags(trim($_POST['temppath']))		: '');
 	$basepath		=	((x($_POST,'basepath'))			? notags(trim($_POST['basepath']))		: '');
 	$singleuser		=	((x($_POST,'singleuser'))		? notags(trim($_POST['singleuser']))		: '');
@@ -801,7 +800,6 @@ function admin_page_site_post(App $a) {
 	set_config('system','itemcache', $itemcache);
 	set_config('system','itemcache_duration', $itemcache_duration);
 	set_config('system','max_comments', $max_comments);
-	set_config('system','lockpath', $lockpath);
 	set_config('system','temppath', $temppath);
 	set_config('system','basepath', $basepath);
 	set_config('system','proxy_disabled', $proxy_disabled);
@@ -925,7 +923,6 @@ function admin_page_site(App $a) {
 
 	// Automatically create temporary paths
 	get_temppath();
-	get_lockpath();
 	get_itemcachepath();
 
 	//echo "<pre>"; var_dump($lang_choices); die("</pre>");
@@ -1044,7 +1041,6 @@ function admin_page_site(App $a) {
 		'$itemcache'		=> array('itemcache', t("Path to item cache"), get_config('system','itemcache'), t("The item caches buffers generated bbcode and external images.")),
 		'$itemcache_duration' 	=> array('itemcache_duration', t("Cache duration in seconds"), get_config('system','itemcache_duration'), t("How long should the cache files be hold? Default value is 86400 seconds (One day). To disable the item cache, set the value to -1.")),
 		'$max_comments' 	=> array('max_comments', t("Maximum numbers of comments per post"), get_config('system','max_comments'), t("How much comments should be shown for each post? Default value is 100.")),
-		'$lockpath'		=> array('lockpath', t("Path for lock file"), get_config('system','lockpath'), t("The lock file is used to avoid multiple pollers at one time. Only define a folder here.")),
 		'$temppath'		=> array('temppath', t("Temp path"), get_config('system','temppath'), t("If you have a restricted system where the webserver can't access the system temp path, enter another path here.")),
 		'$basepath'		=> array('basepath', t("Base path to installation"), get_config('system','basepath'), t("If the system cannot detect the correct path to your installation, enter the correct path here. This setting should only be set if you are using a restricted system and symbolic links to your webroot.")),
 		'$proxy_disabled'	=> array('proxy_disabled', t("Disable picture proxy"), get_config('system','proxy_disabled'), t("The picture proxy increases performance and privacy. It shouldn't be used on systems with very low bandwith.")),
diff --git a/view/templates/admin_site.tpl b/view/templates/admin_site.tpl
index df50c0fb48..2faf64e268 100644
--- a/view/templates/admin_site.tpl
+++ b/view/templates/admin_site.tpl
@@ -125,7 +125,6 @@
 	{{include file="field_input.tpl" field=$optimize_max_tablesize}}
 	{{include file="field_input.tpl" field=$optimize_fragmentation}}
 	{{include file="field_input.tpl" field=$abandon_days}}
-	{{include file="field_input.tpl" field=$lockpath}}
 	{{include file="field_input.tpl" field=$temppath}}
 	{{include file="field_input.tpl" field=$basepath}}
 	{{include file="field_checkbox.tpl" field=$suppress_language}}