diff --git a/src/Abstracts/EmailAbstract.php b/src/Abstracts/EmailAbstract.php
index 3e7adb19b2802aff214cba2889155131e1b1490b..64b9206228f17ed313b447e16d4ae28b3a2e729d 100644
--- a/src/Abstracts/EmailAbstract.php
+++ b/src/Abstracts/EmailAbstract.php
@@ -49,7 +49,7 @@ abstract class EmailAbstract implements EmailInterface {
     /**
      * @var array
      */
-    protected $headers;
+    protected $headers = [];
 
     /**
      * Define unique email ID.
diff --git a/src/Emails/Email.php b/src/Emails/Email.php
deleted file mode 100644
index e5b499128cb50c323db83f3d943df6edfc417d51..0000000000000000000000000000000000000000
--- a/src/Emails/Email.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace WPDesk\Library\WPEmail\Emails;
-
-use WPDesk\Library\WPEmail\Abstracts\EmailAbstract;
-
-class Email extends EmailAbstract {
-
-    const ID = 'email';
-
-    /**
-     * Define unique email ID.
-     *
-     * @return string
-     */
-    public function get_id(): string {
-        return self::ID;
-    }
-
-}