diff --git a/src/service/resource.js b/src/service/resource.js
index 74659c0c4d187..cff2b3a2aded8 100644
--- a/src/service/resource.js
+++ b/src/service/resource.js
@@ -420,7 +420,6 @@ export class Resource {
    */
   completeCollapse() {
     toggle(this.element, false);
-    this.element.setAttribute('hidden', '');
     this.layoutBox_ = layoutRectLtwh(
         this.layoutBox_.left,
         this.layoutBox_.top,
diff --git a/src/service/standard-actions-impl.js b/src/service/standard-actions-impl.js
index 79690b76d7d6a..83626c73fbbca 100644
--- a/src/service/standard-actions-impl.js
+++ b/src/service/standard-actions-impl.js
@@ -122,7 +122,6 @@ export class StandardActions {
         target./*OK*/collapse();
       } else {
         toggle(target, false);
-        target.setAttribute('hidden', '');
       }
     });
   }