diff --git a/addons/mass_mailing/static/src/scss/mass_mailing.scss b/addons/mass_mailing/static/src/scss/mass_mailing.scss
index b9a78e338fd..e0d2a801c55 100644
--- a/addons/mass_mailing/static/src/scss/mass_mailing.scss
+++ b/addons/mass_mailing/static/src/scss/mass_mailing.scss
@@ -207,11 +207,6 @@
     }
 }
 
-
-.o_mailing_contact_import_list {
-    min-height: 150px;
-}
-
 .o_field_mass_mailing_html {
     display: block;
 
diff --git a/addons/mass_mailing/wizard/mailing_contact_import_views.xml b/addons/mass_mailing/wizard/mailing_contact_import_views.xml
index e8cc87eee7c..97f14b7cd3b 100644
--- a/addons/mass_mailing/wizard/mailing_contact_import_views.xml
+++ b/addons/mass_mailing/wizard/mailing_contact_import_views.xml
@@ -15,7 +15,7 @@
                     Each line will be imported as a mailing list contact.
                 </p>
                 <label for="contact_list" class="mb-2">Contact List</label>
-                <field name="contact_list" class="o_mailing_contact_import_list"
+                <field name="contact_list"
                     nolabel="1" default_focus="1"
                     placeholder='"Damien Roberts" &lt;d.roberts@example.com&gt;&#10;"Rick Sanchez" &lt;rick_sanchez@example.com&gt;&#10;victor_hugo@example.com'/>
                 <p class="text-muted mb-0">