diff --git a/lib/timeout.rb b/lib/timeout.rb
index 4659ec3279..6e7adbd259 100644
--- a/lib/timeout.rb
+++ b/lib/timeout.rb
@@ -77,7 +77,7 @@ module Timeout
     end
 
     def expired?(now)
-      now >= @deadline and !done?
+      now >= @deadline
     end
 
     def interrupt