diff --git a/lib/sidekiq.rb b/lib/sidekiq.rb
index 81a50977..ab68fa4a 100644
--- a/lib/sidekiq.rb
+++ b/lib/sidekiq.rb
@@ -227,6 +227,16 @@ module Sidekiq
   # DO NOT RESCUE THIS ERROR IN YOUR WORKERS
   class Shutdown < Interrupt; end
 
+  def self.constantize(str)
+    names = str.split('::')
+    names.shift if names.empty? || names.first.empty?
+
+    constant = Object
+    names.each do |name|
+      constant = constant.const_defined?(name) ? constant.const_get(name) : constant.const_missing(name)
+    end
+    constant
+  end
 end
 
 require 'sidekiq/rails' if defined?(::Rails::Engine)
diff --git a/lib/sidekiq/processor.rb b/lib/sidekiq/processor.rb
index af0f5455..c1d887be 100644
--- a/lib/sidekiq/processor.rb
+++ b/lib/sidekiq/processor.rb
@@ -134,7 +134,7 @@ module Sidekiq
               # the Reloader.  It handles code loading, db connection management, etc.
               # Effectively this block denotes a "unit of work" to Rails.
               @reloader.call do
-                klass  = Sidekiq::Util.constantize(job_hash['class'.freeze])
+                klass  = Sidekiq.constantize(job_hash['class'.freeze])
                 worker = klass.new
                 worker.jid = job_hash['jid'.freeze]
                 @retrier.local(worker, job_hash, queue) do
diff --git a/lib/sidekiq/testing.rb b/lib/sidekiq/testing.rb
index 760f0941..451c057c 100644
--- a/lib/sidekiq/testing.rb
+++ b/lib/sidekiq/testing.rb
@@ -76,7 +76,7 @@ module Sidekiq
         true
       elsif Sidekiq::Testing.inline?
         payloads.each do |job|
-          klass = Sidekiq::Util.constantize(job['class'])
+          klass = Sidekiq.constantize(job['class'])
           job['id'] ||= SecureRandom.hex(12)
           job_hash = Sidekiq.load_json(Sidekiq.dump_json(job))
           klass.process_job(job_hash)
@@ -309,7 +309,7 @@ module Sidekiq
           worker_classes = jobs.map { |job| job["class"] }.uniq
 
           worker_classes.each do |worker_class|
-            Sidekiq::Util.constantize(worker_class).drain
+            Sidekiq.constantize(worker_class).drain
           end
         end
       end
diff --git a/lib/sidekiq/util.rb b/lib/sidekiq/util.rb
index 691bbece..9b6baa37 100644
--- a/lib/sidekiq/util.rb
+++ b/lib/sidekiq/util.rb
@@ -60,15 +60,5 @@ module Sidekiq
       arr.clear
     end
 
-    def self.constantize(str)
-      names = str.split('::')
-      names.shift if names.empty? || names.first.empty?
-
-      constant = Object
-      names.each do |name|
-        constant = constant.const_defined?(name) ? constant.const_get(name) : constant.const_missing(name)
-      end
-      constant
-    end
   end
 end