diff --git a/discovery.php b/discovery.php
index 02a1a0c70b..5dc6ff8dea 100755
--- a/discovery.php
+++ b/discovery.php
@@ -20,7 +20,7 @@ require 'includes/definitions.inc.php';
 require 'includes/functions.php';
 require 'includes/discovery/functions.inc.php';
 
-$start         = utime();
+$start         = microtime(true);
 $runtime_stats = array();
 $sqlparams     = array();
 $options       = getopt('h:m:i:n:d::a::q',array('os:','type:'));
@@ -129,7 +129,7 @@ foreach (dbFetch("SELECT * FROM `devices` WHERE status = 1 AND disabled = 0 $whe
     discover_device($device, $options);
 }
 
-$end      = utime();
+$end      = microtime(true);
 $run      = ($end - $start);
 $proctime = substr($run, 0, 5);
 
diff --git a/html/graph.php b/html/graph.php
index 537c5e999a..99c53bd29d 100644
--- a/html/graph.php
+++ b/html/graph.php
@@ -12,15 +12,7 @@
  */
 
 
-function utime() {
-    $time = explode(' ', microtime());
-    $usec = (double) $time[0];
-    $sec  = (double) $time[1];
-    return ($sec + $usec);
-
-}
-
-$start = utime();
+$start = microtime(true);
 
 require_once 'Net/IPv4.php';
 
@@ -54,7 +46,7 @@ require 'includes/graphs/graph.inc.php';
 
 $console_color = new Console_Color2();
 
-$end = utime();
+$end = microtime(true);
 $run = ($end - $start);
 
 
diff --git a/html/index.php b/html/index.php
index 2f068860f0..46164c663b 100644
--- a/html/index.php
+++ b/html/index.php
@@ -72,7 +72,7 @@ $config['memcached']['ttl'] = $config['time']['now']+300;
 
 Plugins::start();
 
-$runtime_start = utime();
+$runtime_start = microtime(true);
 
 ob_start();
 
@@ -263,7 +263,7 @@ else {
 </div>
 <?php
 
-$runtime_end = utime();
+$runtime_end = microtime(true);
 $runtime = $runtime_end - $runtime_start;
 $gentime = substr($runtime, 0, 5);
 
diff --git a/includes/discovery/functions.inc.php b/includes/discovery/functions.inc.php
index 0e63d2dcc1..b03ac9048b 100644
--- a/includes/discovery/functions.inc.php
+++ b/includes/discovery/functions.inc.php
@@ -89,7 +89,7 @@ function discover_device($device, $options=null) {
     // Reset $valid array
     $attribs = get_dev_attribs($device['device_id']);
 
-    $device_start = utime();
+    $device_start = microtime(true);
     // Start counting device poll time
     echo $device['hostname'].' '.$device['device_id'].' '.$device['os'].' ';
 
@@ -146,7 +146,7 @@ function discover_device($device, $options=null) {
         }
     }
 
-    $device_end  = utime();
+    $device_end  = microtime(true);
     $device_run  = ($device_end - $device_start);
     $device_time = substr($device_run, 0, 5);
 
diff --git a/includes/functions.php b/includes/functions.php
index 18b68f0be3..bb128bd13a 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -529,13 +529,6 @@ function is_odd($number) {
     return $number & 1; // 0 = even, 1 = odd
 }
 
-function utime() {
-    $time = explode(" ", microtime());
-    $usec = (double)$time[0];
-    $sec = (double)$time[1];
-    return $sec + $usec;
-}
-
 function getpollergroup($poller_group='0') {
     //Is poller group an integer
     if (is_int($poller_group) || ctype_digit($poller_group)) {
diff --git a/includes/polling/functions.inc.php b/includes/polling/functions.inc.php
index 1cccfcfa1c..bc7e80e07c 100644
--- a/includes/polling/functions.inc.php
+++ b/includes/polling/functions.inc.php
@@ -135,7 +135,7 @@ function poll_device($device, $options) {
 
     $status = 0;
     unset($array);
-    $device_start = utime();
+    $device_start = microtime(true);
     // Start counting device poll time
     echo $device['hostname'].' '.$device['device_id'].' '.$device['os'].' ';
     if ($config['os'][$device['os']]['group']) {
@@ -253,7 +253,7 @@ function poll_device($device, $options) {
             }
         }//end if
 
-        $device_end  = utime();
+        $device_end  = microtime(true);
         $device_run  = ($device_end - $device_start);
         $device_time = substr($device_run, 0, 5);
 
diff --git a/includes/polling/unix-agent.inc.php b/includes/polling/unix-agent.inc.php
index 4e412e7e70..0b9a23e02a 100644
--- a/includes/polling/unix-agent.inc.php
+++ b/includes/polling/unix-agent.inc.php
@@ -14,7 +14,7 @@ if ($device['os_group'] == 'unix') {
         $config['unix-agent']['read-timeout'] = $config['unix-agent-read-time-out'];
     }
 
-    $agent_start = utime();
+    $agent_start = microtime(true);
     $agent       = fsockopen($device['hostname'], $agent_port, $errno, $errstr, $config['unix-agent']['connection-timeout']);
 
     // Set stream timeout (for timeouts during agent  fetch
@@ -36,7 +36,7 @@ if ($device['os_group'] == 'unix') {
         }
     }
 
-    $agent_end  = utime();
+    $agent_end  = microtime(true);
     $agent_time = round(($agent_end - $agent_start) * 1000);
 
     if (!empty($agent_raw)) {
diff --git a/poller.php b/poller.php
index 8f75e1578a..6361d345bb 100755
--- a/poller.php
+++ b/poller.php
@@ -21,7 +21,7 @@ require 'includes/functions.php';
 require 'includes/polling/functions.inc.php';
 require 'includes/alerts.inc.php';
 
-$poller_start = utime();
+$poller_start = microtime(true);
 echo $config['project_name_version']." Poller\n";
 $versions = version_info(false);
 echo "Version info:\n";
@@ -136,7 +136,7 @@ foreach (dbFetch($query) as $device) {
     $polled_devices++;
 }
 
-$poller_end  = utime();
+$poller_end  = microtime(true);
 $poller_run  = ($poller_end - $poller_start);
 $poller_time = substr($poller_run, 0, 5);