diff --git a/.mailmap b/.mailmap
deleted file mode 100644
index 7debd40..0000000
--- a/.mailmap
+++ /dev/null
@@ -1 +0,0 @@
-Thomas Morgan <tm@iprog.com>
diff --git a/lib/async/pool/controller.rb b/lib/async/pool/controller.rb
index 95857ec..a1e9234 100644
--- a/lib/async/pool/controller.rb
+++ b/lib/async/pool/controller.rb
@@ -170,12 +170,10 @@ def prune(retain = 0)
 				
 				# It's okay for this to context switch:
 				unused.each do |resource|
-					if usage = @resources[resource] and usage.zero?
-						if block_given?
-							yield resource
-						else
-							retire(resource)
-						end
+					if block_given?
+						yield resource
+					else
+						retire(resource)
 					end
 					
 					break if @resources.size <= retain