diff --git a/workers/archive_worker.rb b/workers/archive_worker.rb
index e69e6cca..fe306e63 100644
--- a/workers/archive_worker.rb
+++ b/workers/archive_worker.rb
@@ -1,5 +1,4 @@
 require 'sidekiq/api'
-require 'redis-namespace'
 
 class ArchiveWorker
   include Sidekiq::Worker
diff --git a/workers/screenshot_worker.rb b/workers/screenshot_worker.rb
index 130fbe32..8f4c14a3 100644
--- a/workers/screenshot_worker.rb
+++ b/workers/screenshot_worker.rb
@@ -1,7 +1,5 @@
 require 'rmagick'
-require 'timeout'
 require 'securerandom'
-require 'thread'
 require 'open3'
 
 class ScreenshotWorker