diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 0ef0ae5..0ab9c5d 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -156,7 +156,7 @@
 		$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
 		$filename = md5($sql);
 
-		if ( ! @is_dir($dir_path))
+		if ( ! is_dir($dir_path))
 		{
 			if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
 			{
diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlite_forge.php b/system/database/drivers/pdo/subdrivers/pdo_sqlite_forge.php
index b43e323..7758a85 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_sqlite_forge.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_sqlite_forge.php
@@ -107,7 +107,7 @@
 	public function drop_database($db_name = '')
 	{
 		// In SQLite, a database is dropped when we delete a file
-		if (@file_exists($this->db->database))
+		if (file_exists($this->db->database))
 		{
 			// We need to close the pseudo-connection first
 			$this->db->close();
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index f80b5e7..5a28c2b 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -81,7 +81,7 @@
 	 */
 	public function drop_database($db_name = '')
 	{
-		if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
+		if ( ! file_exists($this->db->database) OR ! @unlink($this->db->database))
 		{
 			return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
 		}
diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php
index 0eed059..d79d15a 100644
--- a/system/database/drivers/sqlite3/sqlite3_forge.php
+++ b/system/database/drivers/sqlite3/sqlite3_forge.php
@@ -93,7 +93,7 @@
 	public function drop_database($db_name = '')
 	{
 		// In SQLite, a database is dropped when we delete a file
-		if (@file_exists($this->db->database))
+		if (file_exists($this->db->database))
 		{
 			// We need to close the pseudo-connection first
 			$this->db->close();