diff --git a/src/Connectors/OracleDBConnector.php b/src/Connectors/OracleDBConnector.php
index 3354db6..2392de0 100644
--- a/src/Connectors/OracleDBConnector.php
+++ b/src/Connectors/OracleDBConnector.php
@@ -44,7 +44,6 @@ protected function getDsn(array $config)
         // First we will create the basic DSN setup as well as the port if it is in
         // in the configuration options. This will give us the basic DSN we will
         // need to establish the PDO connections and return them back for use.
-        $port = isset($config['port']) ? ','.$port : '';
 
         if (in_array('oci', $this->getAvailableDrivers()))
         {
@@ -62,4 +61,4 @@ protected function getAvailableDrivers()
         return PDO::getAvailableDrivers();
     }
 
-}
\ No newline at end of file
+}