diff --git a/app/assets/javascripts/discourse/templates/topic.hbs b/app/assets/javascripts/discourse/templates/topic.hbs
index 0cd943b0267..512927f8a28 100644
--- a/app/assets/javascripts/discourse/templates/topic.hbs
+++ b/app/assets/javascripts/discourse/templates/topic.hbs
@@ -100,7 +100,6 @@
               unhidePost="unhidePost"
               replyToPost="replyToPost"
               toggleWiki="toggleWiki"
-              toggleParticipant="toggleParticipant"
               toggleSummary="toggleSummary"
               removeAllowedUser="removeAllowedUser"
               showInvite="showInvite"
diff --git a/app/assets/javascripts/discourse/widgets/topic-map.js.es6 b/app/assets/javascripts/discourse/widgets/topic-map.js.es6
index 7c7be61d6e5..c219f2a085e 100644
--- a/app/assets/javascripts/discourse/widgets/topic-map.js.es6
+++ b/app/assets/javascripts/discourse/widgets/topic-map.js.es6
@@ -33,13 +33,10 @@ createWidget('topic-participant', {
       linkContents.push(h('span.post-count', attrs.post_count.toString()));
     }
 
-    return h('a.poster', { className: state.toggled ? 'toggled' : null, attributes: { title: attrs.username } },
-      linkContents
-    );
-  },
-
-  click() {
-    this.sendWidgetAction('toggleParticipant', this.attrs);
+    return h('a.poster.trigger-user-card', {
+      className: state.toggled ? 'toggled' : null,
+      attributes: { title: attrs.username, 'data-user-card': attrs.username }
+    }, linkContents);
   }
 });
 
diff --git a/test/javascripts/widgets/post-test.js.es6 b/test/javascripts/widgets/post-test.js.es6
index 5c853c0dd65..e644558f8af 100644
--- a/test/javascripts/widgets/post-test.js.es6
+++ b/test/javascripts/widgets/post-test.js.es6
@@ -677,7 +677,7 @@ widgetTest("topic map - few posts", {
 });
 
 widgetTest("topic map - participants", {
-  template: '{{mount-widget widget="post" args=args toggleParticipant="toggleParticipant"}}',
+  template: '{{mount-widget widget="post" args=args}}',
   setup() {
     this.set('args', {
       showTopicMap: true,
@@ -690,8 +690,6 @@ widgetTest("topic map - participants", {
       ],
       userFilters: ['sam', 'codinghorror']
     });
-
-    this.on('toggleParticipant', () => this.participantToggled = true);
   },
   test(assert) {
     assert.equal(this.$('li.avatars a.poster').length, 3, 'limits to three participants');
@@ -702,9 +700,6 @@ widgetTest("topic map - participants", {
       assert.equal(this.$('.topic-map-expanded a.poster').length, 4, 'shows all when expanded');
       assert.equal(this.$('a.poster.toggled').length, 2, 'two are toggled');
     });
-
-    click('.topic-map-expanded a.poster:eq(0)');
-    andThen(() => assert.ok(this.participantToggled));
   }
 });