diff --git a/app/controllers/admin/abuse_reports_controller.rb b/app/controllers/admin/abuse_reports_controller.rb
index e9b0972bdd8..5055c318a5f 100644
--- a/app/controllers/admin/abuse_reports_controller.rb
+++ b/app/controllers/admin/abuse_reports_controller.rb
@@ -9,6 +9,6 @@ class Admin::AbuseReportsController < Admin::ApplicationController
     abuse_report.remove_user(deleted_by: current_user) if params[:remove_user]
     abuse_report.destroy
 
-    render nothing: true
+    head :ok
   end
 end
diff --git a/app/controllers/admin/broadcast_messages_controller.rb b/app/controllers/admin/broadcast_messages_controller.rb
index fc342924987..82055006ac0 100644
--- a/app/controllers/admin/broadcast_messages_controller.rb
+++ b/app/controllers/admin/broadcast_messages_controller.rb
@@ -32,7 +32,7 @@ class Admin::BroadcastMessagesController < Admin::ApplicationController
 
     respond_to do |format|
       format.html { redirect_back_or_default(default: { action: 'index' }) }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/admin/keys_controller.rb b/app/controllers/admin/keys_controller.rb
index cb33fdd9763..054bb52b696 100644
--- a/app/controllers/admin/keys_controller.rb
+++ b/app/controllers/admin/keys_controller.rb
@@ -6,7 +6,7 @@ class Admin::KeysController < Admin::ApplicationController
 
     respond_to do |format|
       format.html
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/admin/spam_logs_controller.rb b/app/controllers/admin/spam_logs_controller.rb
index 377e9741e5f..3a2f0185315 100644
--- a/app/controllers/admin/spam_logs_controller.rb
+++ b/app/controllers/admin/spam_logs_controller.rb
@@ -11,7 +11,7 @@ class Admin::SpamLogsController < Admin::ApplicationController
       redirect_to admin_spam_logs_path, notice: "User #{spam_log.user.username} was successfully removed."
     else
       spam_log.destroy
-      render nothing: true
+      head :ok
     end
   end
 end
diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index 6908a3bf946..f35f4a8c811 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -154,7 +154,7 @@ class Admin::UsersController < Admin::ApplicationController
 
     respond_to do |format|
       format.html { redirect_back_or_admin_user(notice: "Successfully removed email.") }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/concerns/toggle_subscription_action.rb b/app/controllers/concerns/toggle_subscription_action.rb
index 8a43c0b93c4..9e3b9be2ff4 100644
--- a/app/controllers/concerns/toggle_subscription_action.rb
+++ b/app/controllers/concerns/toggle_subscription_action.rb
@@ -6,7 +6,7 @@ module ToggleSubscriptionAction
 
     subscribable_resource.toggle_subscription(current_user)
 
-    render nothing: true
+    head :ok
   end
 
   private
diff --git a/app/controllers/dashboard/todos_controller.rb b/app/controllers/dashboard/todos_controller.rb
index 5abf97342c3..f9a1929c117 100644
--- a/app/controllers/dashboard/todos_controller.rb
+++ b/app/controllers/dashboard/todos_controller.rb
@@ -12,7 +12,7 @@ class Dashboard::TodosController < Dashboard::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to dashboard_todos_path, notice: todo_notice }
-      format.js { render nothing: true }
+      format.js { head :ok }
       format.json do
         render json: { count: @todos.size, done_count: current_user.todos.done.count }
       end
@@ -24,7 +24,7 @@ class Dashboard::TodosController < Dashboard::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to dashboard_todos_path, notice: 'All todos were marked as done.' }
-      format.js { render nothing: true }
+      format.js { head :ok }
       format.json do
         find_todos
         render json: { count: @todos.size, done_count: current_user.todos.done.count }
diff --git a/app/controllers/groups/group_members_controller.rb b/app/controllers/groups/group_members_controller.rb
index d5ef33888c6..48dbf656e84 100644
--- a/app/controllers/groups/group_members_controller.rb
+++ b/app/controllers/groups/group_members_controller.rb
@@ -40,7 +40,7 @@ class Groups::GroupMembersController < Groups::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to group_group_members_path(@group), notice: 'User was successfully removed from group.' }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/profiles/emails_controller.rb b/app/controllers/profiles/emails_controller.rb
index 0ede9b8e21b..1c24c4db993 100644
--- a/app/controllers/profiles/emails_controller.rb
+++ b/app/controllers/profiles/emails_controller.rb
@@ -24,7 +24,7 @@ class Profiles::EmailsController < Profiles::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to profile_emails_url }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/profiles/keys_controller.rb b/app/controllers/profiles/keys_controller.rb
index a12549d6bcb..830e0b9591b 100644
--- a/app/controllers/profiles/keys_controller.rb
+++ b/app/controllers/profiles/keys_controller.rb
@@ -32,7 +32,7 @@ class Profiles::KeysController < Profiles::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to profile_keys_url }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/projects/milestones_controller.rb b/app/controllers/projects/milestones_controller.rb
index f7b6d137bde..da2892bfb3f 100644
--- a/app/controllers/projects/milestones_controller.rb
+++ b/app/controllers/projects/milestones_controller.rb
@@ -75,7 +75,7 @@ class Projects::MilestonesController < Projects::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to namespace_project_milestones_path }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/projects/notes_controller.rb b/app/controllers/projects/notes_controller.rb
index 4a57cd29a20..40b24d550e0 100644
--- a/app/controllers/projects/notes_controller.rb
+++ b/app/controllers/projects/notes_controller.rb
@@ -43,7 +43,7 @@ class Projects::NotesController < Projects::ApplicationController
     end
 
     respond_to do |format|
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
@@ -52,7 +52,7 @@ class Projects::NotesController < Projects::ApplicationController
     note.update_attribute(:attachment, nil)
 
     respond_to do |format|
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/app/controllers/projects/project_members_controller.rb b/app/controllers/projects/project_members_controller.rb
index 33b2625c0ac..cdea5f0b776 100644
--- a/app/controllers/projects/project_members_controller.rb
+++ b/app/controllers/projects/project_members_controller.rb
@@ -55,7 +55,7 @@ class Projects::ProjectMembersController < Projects::ApplicationController
       format.html do
         redirect_to namespace_project_project_members_path(@project.namespace, @project)
       end
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
@@ -81,7 +81,7 @@ class Projects::ProjectMembersController < Projects::ApplicationController
 
       respond_to do |format|
         format.html { redirect_to dashboard_projects_path, notice: "You left the project." }
-        format.js { render nothing: true }
+        format.js { head :ok }
       end
     else
       if current_user == @project.owner
diff --git a/app/controllers/projects/protected_branches_controller.rb b/app/controllers/projects/protected_branches_controller.rb
index e49259c34b6..efa7bf14d0f 100644
--- a/app/controllers/projects/protected_branches_controller.rb
+++ b/app/controllers/projects/protected_branches_controller.rb
@@ -39,7 +39,7 @@ class Projects::ProtectedBranchesController < Projects::ApplicationController
 
     respond_to do |format|
       format.html { redirect_to namespace_project_protected_branches_path }
-      format.js { render nothing: true }
+      format.js { head :ok }
     end
   end
 
diff --git a/spec/controllers/projects/raw_controller_spec.rb b/spec/controllers/projects/raw_controller_spec.rb
index 1caa476d37d..fb29274c687 100644
--- a/spec/controllers/projects/raw_controller_spec.rb
+++ b/spec/controllers/projects/raw_controller_spec.rb
@@ -42,7 +42,7 @@ describe Projects::RawController do
         before do
           public_project.lfs_objects << lfs_object
           allow_any_instance_of(LfsObjectUploader).to receive(:exists?).and_return(true)
-          allow(controller).to receive(:send_file) { controller.render nothing: true }
+          allow(controller).to receive(:send_file) { controller.head :ok }
         end
 
         it 'serves the file' do