diff --git a/app/assets/stylesheets/new_sidebar.scss b/app/assets/stylesheets/new_sidebar.scss
index 2a568292aba..d770377ba84 100644
--- a/app/assets/stylesheets/new_sidebar.scss
+++ b/app/assets/stylesheets/new_sidebar.scss
@@ -134,10 +134,6 @@ $new-sidebar-collapsed-width: 50px;
   background-color: $gray-normal;
   box-shadow: inset -2px 0 0 $border-color;
 
-  // .expand-full-sidebar-button {
-  //   display: none;
-  // }
-
   &.sidebar-icons-only {
     width: $new-sidebar-collapsed-width;
 
diff --git a/changelogs/unreleased/34028-collapse-sidebar.yml b/changelogs/unreleased/34028-collapse-sidebar.yml
new file mode 100644
index 00000000000..468212240ac
--- /dev/null
+++ b/changelogs/unreleased/34028-collapse-sidebar.yml
@@ -0,0 +1,4 @@
+---
+title: Make contextual sidebar collapsible
+merge_request:
+author: