diff --git a/application/views/configs/system_info.php b/application/views/configs/system_info.php
index 233ef5d6d..7ea3e56cf 100644
--- a/application/views/configs/system_info.php
+++ b/application/views/configs/system_info.php
@@ -173,13 +173,6 @@
 			clipboard.on('error', function(e) {
 				console.log(e);
 			});
-
-			function clearSelection() {
-				window.getSelection().removeAllRanges();
-			}
-			document.onmouseup = function() {
-				window.setTimeout(clearSelection, 100);
-			};
 			
 			document.getElementById("timezone").innerText = Intl.DateTimeFormat().resolvedOptions().timeZone;	
 					
@@ -190,4 +183,4 @@
 			if($('#timezone').html() !== $('#ostimezone').html())
 			document.getElementById("TimeError").innerHTML = '<font color="red"><?php echo $this->lang->line('config_timezone_error'); ?></font><br><br><?php echo $this->lang->line('config_user_timezone'); ?><div id="timezoneE" style="font-weight:600;"></div><br><?php echo $this->lang->line('config_os_timezone'); ?><div id="ostimezoneE" style="font-weight:600;"><?php echo $this->config->item('timezone'); ?></div><br>';
 		</script>
-</div>
\ No newline at end of file
+</div>