diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 7551e48..ad9e31f 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1577,16 +1577,13 @@
 	 */
 	protected function _cache_init()
 	{
-		if (class_exists('CI_DB_Cache', FALSE))
+		if ( ! class_exists('CI_DB_Cache', FALSE))
 		{
-			if (is_object($this->CACHE))
-			{
-				return TRUE;
-			}
+			require_once(BASEPATH.'database/DB_cache.php');
 		}
-		elseif ( ! @include_once(BASEPATH.'database/DB_cache.php'))
+		elseif (is_object($this->CACHE))
 		{
-			return $this->cache_off();
+			return TRUE;
 		}
 
 		$this->CACHE = new CI_DB_Cache($this); // pass db object to support multiple db connections and returned db objects
diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index 11c5e11..a696112 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -356,8 +356,8 @@
 
 		// Is the encoder supported? If not, we'll either issue an
 		// error or use plain text depending on the debug settings
-		if (($prefs['format'] === 'gzip' && ! @function_exists('gzencode'))
-			OR ($prefs['format'] === 'zip' && ! @function_exists('gzcompress')))
+		if (($prefs['format'] === 'gzip' && ! function_exists('gzencode'))
+			OR ($prefs['format'] === 'zip' && ! function_exists('gzcompress')))
 		{
 			if ($this->db->db_debug)
 			{