diff --git a/lib/Horde/Imap/Client/Cache/Backend.php b/lib/Horde/Imap/Client/Cache/Backend.php
index 6d140557..c9542c77 100644
--- a/lib/Horde/Imap/Client/Cache/Backend.php
+++ b/lib/Horde/Imap/Client/Cache/Backend.php
@@ -170,19 +170,6 @@ public function __serialize()
         return $this->_params;
     }
 
-    public function __unserialize(array $data)
-    {
-        $this->_params = $data;
-    }
-
-    /**
-     * @return array
-     */
-    public function __serialize()
-    {
-        return $this->_params;
-    }
-
     public function __unserialize(array $data)
     {
         $this->_params = $data;
diff --git a/lib/Horde/Imap/Client/Cache/Backend/Cache.php b/lib/Horde/Imap/Client/Cache/Backend/Cache.php
index e3fe8264..e3fdff61 100644
--- a/lib/Horde/Imap/Client/Cache/Backend/Cache.php
+++ b/lib/Horde/Imap/Client/Cache/Backend/Cache.php
@@ -511,13 +511,4 @@ public function __serialize()
         return parent::__serialize();
     }
 
-    /**
-     * @return array
-     */
-    public function __serialize()
-    {
-        $this->save();
-        return parent::__serialize();
-    }
-
 }