diff --git a/administrator/components/com_finder/src/Controller/IndexController.php b/administrator/components/com_finder/src/Controller/IndexController.php
index 042253c2f23bc..918f7b08b21ec 100644
--- a/administrator/components/com_finder/src/Controller/IndexController.php
+++ b/administrator/components/com_finder/src/Controller/IndexController.php
@@ -79,7 +79,9 @@ public function purge()
         $this->checkToken();
 
         // Remove the script time limit.
-        @set_time_limit(0);
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(0);
+        }
 
         /** @var \Joomla\Component\Finder\Administrator\Model\IndexModel $model */
         $model = $this->getModel('Index', 'Administrator');
diff --git a/administrator/components/com_finder/src/Controller/IndexerController.php b/administrator/components/com_finder/src/Controller/IndexerController.php
index e00e30c1f04d4..77ee717310810 100644
--- a/administrator/components/com_finder/src/Controller/IndexerController.php
+++ b/administrator/components/com_finder/src/Controller/IndexerController.php
@@ -133,7 +133,9 @@ public function batch()
         ob_start();
 
         // Remove the script time limit.
-        @set_time_limit(0);
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(0);
+        }
 
         // Get the indexer state.
         $state = Indexer::getState();
diff --git a/libraries/src/Application/DaemonApplication.php b/libraries/src/Application/DaemonApplication.php
index abdedf1484ca7..825ee9deceb6f 100644
--- a/libraries/src/Application/DaemonApplication.php
+++ b/libraries/src/Application/DaemonApplication.php
@@ -130,7 +130,9 @@ public function __construct(Cli $input = null, Registry $config = null, Dispatch
         parent::__construct($input, $config, null, null, $dispatcher);
 
         // Set some system limits.
-        @set_time_limit($this->config->get('max_execution_time', 0));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit($this->config->get('max_execution_time', 0));
+        }
 
         if ($this->config->get('max_memory_limit') !== null) {
             ini_set('memory_limit', $this->config->get('max_memory_limit', '256M'));
diff --git a/libraries/src/Console/FinderIndexCommand.php b/libraries/src/Console/FinderIndexCommand.php
index 78cd077ac762c..10ce114c81bb0 100644
--- a/libraries/src/Console/FinderIndexCommand.php
+++ b/libraries/src/Console/FinderIndexCommand.php
@@ -366,7 +366,9 @@ private function index()
         $app->triggerEvent('onStartIndex');
 
         // Remove the script time limit.
-        @set_time_limit(0);
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(0);
+        }
 
         // Get the indexer state.
         $state = Indexer::getState();
diff --git a/libraries/src/Filesystem/File.php b/libraries/src/Filesystem/File.php
index 435ead9ba9c3a..d199d2e5cc3d6 100644
--- a/libraries/src/Filesystem/File.php
+++ b/libraries/src/Filesystem/File.php
@@ -407,7 +407,9 @@ public static function move($src, $dest, $path = '', $useStreams = false)
      */
     public static function write($file, $buffer, $useStreams = false)
     {
-        @set_time_limit(ini_get('max_execution_time'));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(ini_get('max_execution_time'));
+        }
 
         // If the destination directory doesn't exist we need to create it
         if (!file_exists(\dirname($file))) {
@@ -466,7 +468,9 @@ public static function write($file, $buffer, $useStreams = false)
      */
     public static function append($file, $buffer, $useStreams = false)
     {
-        @set_time_limit(ini_get('max_execution_time'));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(ini_get('max_execution_time'));
+        }
 
         // If the file doesn't exist, just write instead of append
         if (!file_exists($file)) {
diff --git a/libraries/src/Filesystem/Folder.php b/libraries/src/Filesystem/Folder.php
index cef115745c236..1d2da094f9cad 100644
--- a/libraries/src/Filesystem/Folder.php
+++ b/libraries/src/Filesystem/Folder.php
@@ -46,7 +46,9 @@ abstract class Folder
      */
     public static function copy($src, $dest, $path = '', $force = false, $useStreams = false)
     {
-        @set_time_limit(ini_get('max_execution_time'));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(ini_get('max_execution_time'));
+        }
 
         $FTPOptions = ClientHelper::getCredentials('ftp');
 
@@ -285,7 +287,9 @@ public static function create($path = '', $mode = 0755)
      */
     public static function delete($path)
     {
-        @set_time_limit(ini_get('max_execution_time'));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(ini_get('max_execution_time'));
+        }
 
         // Sanity check
         if (!$path) {
@@ -566,7 +570,9 @@ public static function folders(
      */
     protected static function _items($path, $filter, $recurse, $full, $exclude, $excludeFilterString, $findFiles)
     {
-        @set_time_limit(ini_get('max_execution_time'));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(ini_get('max_execution_time'));
+        }
 
         $arr = [];
 
diff --git a/libraries/src/Installer/InstallerHelper.php b/libraries/src/Installer/InstallerHelper.php
index 84af3cf811515..be0348be2f827 100644
--- a/libraries/src/Installer/InstallerHelper.php
+++ b/libraries/src/Installer/InstallerHelper.php
@@ -128,7 +128,9 @@ public static function downloadPackage($url, $target = false)
         ini_set('track_errors', $track_errors);
 
         // Bump the max execution time because not using built in php zip libs are slow
-        @set_time_limit(ini_get('max_execution_time'));
+        if (\function_exists('set_time_limit')) {
+            set_time_limit(ini_get('max_execution_time'));
+        }
 
         // Return the name of the downloaded package
         return basename($target);