diff --git a/lib/async/pool/controller.rb b/lib/async/pool/controller.rb
index a06946a..d5f5931 100644
--- a/lib/async/pool/controller.rb
+++ b/lib/async/pool/controller.rb
@@ -328,7 +328,7 @@ def available_resource
 				end
 				
 				return resource
-			rescue Exception => error
+			rescue Exception
 				reuse(resource) if resource
 				raise
 			end