diff --git a/app/controllers/projects/issues_controller.rb b/app/controllers/projects/issues_controller.rb
index 42bfa4b9d4f..a3ec79a56d9 100644
--- a/app/controllers/projects/issues_controller.rb
+++ b/app/controllers/projects/issues_controller.rb
@@ -71,9 +71,6 @@ class Projects::IssuesController < Projects::ApplicationController
     @noteable = @issue
     @note     = @project.notes.new(noteable: @issue)
 
-    @discussions = @issue.discussions
-    @notes = prepare_notes_for_rendering(@discussions.flat_map(&:notes), @noteable)
-
     respond_to do |format|
       format.html
       format.json do
diff --git a/changelogs/unreleased/sh-stop-loading-issue-discussions.yml b/changelogs/unreleased/sh-stop-loading-issue-discussions.yml
new file mode 100644
index 00000000000..5e7b7387c0d
--- /dev/null
+++ b/changelogs/unreleased/sh-stop-loading-issue-discussions.yml
@@ -0,0 +1,5 @@
+---
+title: Remove unnecessary loading of discussions in `IssuesController#show`
+merge_request:
+author:
+type: fixed