diff --git a/addons/mail/static/src/components/attachment_box/attachment_box.scss b/addons/mail/static/src/components/attachment_box/attachment_box.scss
index d51cca9c31c..8d9af456a5e 100644
--- a/addons/mail/static/src/components/attachment_box/attachment_box.scss
+++ b/addons/mail/static/src/components/attachment_box/attachment_box.scss
@@ -19,10 +19,6 @@
     flex-grow: 1;
 }
 
-.o_AttachmentBox_fileInput {
-    display: none;
-}
-
 .o_AttachmentBox_title {
     display: flex;
     align-items: center;