diff --git a/lib/action_mailer/ar_sendmail.rb b/lib/action_mailer/ar_sendmail.rb
index f5c62b1..89606b0 100644
--- a/lib/action_mailer/ar_sendmail.rb
+++ b/lib/action_mailer/ar_sendmail.rb
@@ -456,7 +456,6 @@ def run
     install_signal_handlers
 
     loop do
-      now = Time.now
       begin
         cleanup
         emails = find_emails
@@ -464,7 +463,7 @@ def run
       rescue ActiveRecord::Transactions::TransactionError
       end
       break if @once
-      sleep @delay if now + @delay > Time.now
+      sleep @delay
     end
   end