Remove unused vars

lib/sidekiq.rb

@@ -123,7 +123,7 @@ module Sidekiq
       conn.multi {
         queues.map { |q| conn.llen("queue:#{q}") }
       }
-    }.inject(0) { |memo, count| memo += count }
+    }.inject(0) { |memo, count| memo + count }
   end
 
 end

lib/sidekiq/client.rb

@@ -6,7 +6,7 @@ module Sidekiq
   class Client
 
     def self.default_middleware
-      Middleware::Chain.new do |m|
+      Middleware::Chain.new do
       end
     end
 
@@ -64,7 +64,6 @@ module Sidekiq
         payload
       end.compact
 
-      pushed = false
       pushed = raw_push(normed, payloads)
       pushed ? payloads.size : nil
     end

test/test_api.rb

@@ -272,7 +272,7 @@ class TestApi < MiniTest::Unit::TestCase
     it 'can enumerate workers' do
       w = Sidekiq::Workers.new
       assert_equal 0, w.size
-      w.each do |x, y|
+      w.each do
         assert false
       end
 

test/test_client.rb

@@ -125,12 +125,10 @@ class TestClient < MiniTest::Unit::TestCase
       Sidekiq::Queue.new.clear
     end
     it 'can push a large set of jobs at once' do
-      a = Time.now
       count = Sidekiq::Client.push_bulk('class' => QueuedWorker, 'args' => (1..1_000).to_a.map { |x| Array(x) })
       assert_equal 1_000, count
     end
     it 'can push a large set of jobs at once using a String class' do
-      a = Time.now
       count = Sidekiq::Client.push_bulk('class' => 'QueuedWorker', 'args' => (1..1_000).to_a.map { |x| Array(x) })
       assert_equal 1_000, count
     end