diff --git a/src/Illuminate/Redis/Connections/PhpRedisConnection.php b/src/Illuminate/Redis/Connections/PhpRedisConnection.php
index 4842a165229c..d4c1f6762e6b 100644
--- a/src/Illuminate/Redis/Connections/PhpRedisConnection.php
+++ b/src/Illuminate/Redis/Connections/PhpRedisConnection.php
@@ -553,19 +553,6 @@ public function disconnect()
         $this->client->close();
     }
 
-    /**
-     * Apply a prefix to the given key if necessary.
-     *
-     * @param  string  $key
-     * @return string
-     */
-    private function applyPrefix($key)
-    {
-        $prefix = (string) $this->client->getOption(Redis::OPT_PREFIX);
-
-        return $prefix.$key;
-    }
-
     /**
      * Pass other method calls down to the underlying client.
      *