diff --git a/wcs/qommon/static/css/dc2/admin.scss b/wcs/qommon/static/css/dc2/admin.scss
index 045aa0af6..4166fc92c 100644
--- a/wcs/qommon/static/css/dc2/admin.scss
+++ b/wcs/qommon/static/css/dc2/admin.scss
@@ -2462,6 +2462,11 @@ div.timetable-widget {
 			content: "\f1f8";  // trash
 		}
 	}
+	&-single {
+		.remove-button {
+			visibility: hidden;
+		}
+	}
 }
 
 .pk-blocks-zebra {
diff --git a/wcs/qommon/static/js/qommon.forms.js b/wcs/qommon/static/js/qommon.forms.js
index f1e97f13b..fe412c567 100644
--- a/wcs/qommon/static/js/qommon.forms.js
+++ b/wcs/qommon/static/js/qommon.forms.js
@@ -728,6 +728,9 @@ $(function() {
     $('.BlockSubWidget button.remove-button').each(function(i, elem) {
       if ($(this).parents('.BlockWidget').find('.BlockSubWidget').length == 1) {
         $(this).prop('disabled', true);
+        $(this).parents('.BlockWidget').addClass('wcs-block-with-remove-button-single');
+      } else {
+        $(this).parents('.BlockWidget').removeClass('wcs-block-with-remove-button-single');
       }
     });
   }