diff --git a/resources/templates/display/results/checkbox_and_links.twig b/resources/templates/display/results/checkbox_and_links.twig
index 6ac2f4d6ab..a526bc2d79 100644
--- a/resources/templates/display/results/checkbox_and_links.twig
+++ b/resources/templates/display/results/checkbox_and_links.twig
@@ -39,7 +39,7 @@
   {% if delete.url is not empty %}
     <td class="text-center d-print-none{{ is_ajax ? ' ajax' }}">
       <span class="text-nowrap">
-        {{ link_or_button(delete.url, delete.params, delete.string, {'class': 'delete_row requireConfirm' ~ (is_ajax ? ' ajax')}) }}
+        {{ link_or_button(delete.url, delete.params, delete.string, {'class': 'delete_row requireConfirm ajax'}) }}
         {% if js_conf is not empty %}
           <div class="hide">{{ js_conf }}</div>
         {% endif %}
@@ -50,7 +50,7 @@
   {% if delete.url is not empty %}
     <td class="text-center d-print-none{{ is_ajax ? ' ajax' }}">
       <span class="text-nowrap">
-        {{ link_or_button(delete.url, delete.params, delete.string, {'class': 'delete_row requireConfirm' ~ (is_ajax ? ' ajax')}) }}
+        {{ link_or_button(delete.url, delete.params, delete.string, {'class': 'delete_row requireConfirm ajax'}) }}
         {% if js_conf is not empty %}
           <div class="hide">{{ js_conf }}</div>
         {% endif %}