diff --git a/system/core/Config.php b/system/core/Config.php
index 2f6a9e0..8e4f998 100644
--- a/system/core/Config.php
+++ b/system/core/Config.php
@@ -102,7 +102,7 @@
 	{
 		$file = ($file === '') ? 'config' : str_replace('.php', '', $file);
 		$found = $loaded = FALSE;
-		
+
 		$check_locations = defined('ENVIRONMENT')
 			? array(ENVIRONMENT.'/'.$file, $file)
 			: array($file);
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 89b2028..75e9360 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -1275,4 +1275,4 @@
 }
 
 /* End of file Loader.php */
-/* Location: ./system/core/Loader.php */
+/* Location: ./system/core/Loader.php */
\ No newline at end of file
diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
index 435c326..c2c0175 100644
--- a/system/libraries/Unit_test.php
+++ b/system/libraries/Unit_test.php
@@ -244,7 +244,7 @@
 						{
 							continue;
 						}
-						
+
 						if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$v))))
 						{
 							$v = $line;