diff --git a/src/PhpImap/IncomingMail.php b/src/PhpImap/IncomingMail.php
index d9552615..1197199a 100644
--- a/src/PhpImap/IncomingMail.php
+++ b/src/PhpImap/IncomingMail.php
@@ -219,11 +219,7 @@ public function embedImageAttachments(): void
                 $cid = \str_replace('cid:', '', $match);
 
                 foreach ($attachments as $attachment) {
-                    /**
-                     * Inline images can contain a "Content-Disposition: inline", but only a "Content-ID" is also enough.
-                     * See https://github.com/barbushin/php-imap/issues/569.
-                     */
-                    if ($attachment->contentId == $cid || 'inline' == \mb_strtolower((string) $attachment->disposition)) {
+                    if ($attachment->contentId == $cid) {
                         $contents = $attachment->getContents();
                         $contentType = $attachment->getFileInfo(FILEINFO_MIME_TYPE);