diff --git a/admin/tool/installaddon/yui/permcheck/permcheck.js b/admin/tool/installaddon/yui/permcheck/permcheck.js
index ad0e4bd60cd..97578b8a607 100644
--- a/admin/tool/installaddon/yui/permcheck/permcheck.js
+++ b/admin/tool/installaddon/yui/permcheck/permcheck.js
@@ -48,13 +48,13 @@ YUI.add('moodle-tool_installaddon-permcheck', function(Y) {
                         var resultline = Y.one('#tool_installaddon_installfromzip_permcheck');
                         if (resultline) {
                             if (status === 'success') {
-                                resultline.setContent('<span class="success"><img src="' + M.util.image_url('i/tick_green_big') + '" /> ' +
+                                resultline.setContent('<span class="success"><img src="' + M.util.image_url('i/valid') + '" /> ' +
                                     msg + '</span>');
                             } else if (status === 'progress') {
                                 resultline.setContent('<span class="progress"><img src="' + M.cfg.loadingicon + '" /> ' +
                                     msg + '</span>');
                             } else {
-                                resultline.setContent('<span class="error"><img src="' + M.util.image_url('i/cross_red_big') + '" /> ' +
+                                resultline.setContent('<span class="error"><img src="' + M.util.image_url('i/invalid') + '" /> ' +
                                     msg + '</span>');
                             }
                         }
diff --git a/badges/renderer.php b/badges/renderer.php
index 8c0381e2f27..e991e4e3383 100644
--- a/badges/renderer.php
+++ b/badges/renderer.php
@@ -527,7 +527,7 @@ class core_badges_renderer extends plugin_renderer_base {
             $description = $badge->description;
             $criteria = self::print_badge_criteria($badge);
             if ($badge->dateissued) {
-                $icon = new pix_icon('i/tick_green_big',
+                $icon = new pix_icon('i/valid',
                             get_string('dateearned', 'badges',
                                 userdate($badge->dateissued, get_string('strftimedatefullshort', 'core_langconfig'))));
                 $badgeurl = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
diff --git a/grade/grading/pick.php b/grade/grading/pick.php
index 075ca272e0b..8de5bcac13b 100644
--- a/grade/grading/pick.php
+++ b/grade/grading/pick.php
@@ -223,7 +223,7 @@ foreach ($rs as $template) {
     $actions = array();
     if ($controller->is_shared_template()) {
         $actions[] = $output->pick_action_icon(new moodle_url($PAGE->url, array('pick' => $template->id)),
-            get_string('templatepick', 'core_grading'), 'i/tick_green_big', 'pick template');
+            get_string('templatepick', 'core_grading'), 'i/valid', 'pick template');
         if ($canmanage or ($canshare and ($template->usercreated == $USER->id))) {
             //$actions[] = $output->pick_action_icon(new moodle_url($PAGE->url, array('edit' => $template->id)),
             //    get_string('templateedit', 'core_grading'), 'i/edit', 'edit');
@@ -232,7 +232,7 @@ foreach ($rs as $template) {
         }
     } else if ($controller->is_own_form()) {
         $actions[] = $output->pick_action_icon(new moodle_url($PAGE->url, array('pick' => $template->id)),
-            get_string('templatepickownform', 'core_grading'), 'i/tick_green_big', 'pick ownform');
+            get_string('templatepickownform', 'core_grading'), 'i/valid', 'pick ownform');
     }
     $out .= $output->box(join(' ', $actions), 'template-actions');
     $out .= $output->box($controller->get_formatted_description(), 'template-description');