diff --git a/system/core/Common.php b/system/core/Common.php
index edfad99..cf81e3f 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -432,7 +432,7 @@
 	 * @param	bool	whether the error is a native PHP error
 	 * @return	void
 	 */
-	function log_message($level, $message, $php_error = FALSE)
+	function log_message($level, $message)
 	{
 		static $_log;
 
@@ -442,7 +442,7 @@
 			$_log[0] =& load_class('Log', 'core');
 		}
 
-		$_log[0]->write_log($level, $message, $php_error);
+		$_log[0]->write_log($level, $message);
 	}
 }
 
diff --git a/system/core/Exceptions.php b/system/core/Exceptions.php
index 9c68d06..d7e5ed4 100644
--- a/system/core/Exceptions.php
+++ b/system/core/Exceptions.php
@@ -91,7 +91,7 @@
 	public function log_exception($severity, $message, $filepath, $line)
 	{
 		$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;
-		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line, TRUE);
+		log_message('error', 'Severity: '.$severity.'  --> '.$message. ' '.$filepath.' '.$line);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/core/Log.php b/system/core/Log.php
index e4d72b5..20bc559 100644
--- a/system/core/Log.php
+++ b/system/core/Log.php
@@ -143,7 +143,7 @@
 	 * @param	bool	whether the error is a native PHP error
 	 * @return	bool
 	 */
-	public function write_log($level, $msg, $php_error = FALSE)
+	public function write_log($level, $msg)
 	{
 		if ($this->_enabled === FALSE)
 		{