types/types.go | 12 +++++-------

diff --git a/types/types.go b/types/types.go
index 8ec7aedfc68d9b59a491e451876ad834112dc1fc..df9284a54ea543742709506586d5f1c0b390657a 100644
--- a/types/types.go
+++ b/types/types.go
@@ -1,3 +1,5 @@
+// package types contains types that are used by the request strategy and the torrent package and
+// need to be shared between them.
 package types
 
 import (
@@ -35,18 +37,14 @@ 	}
 	return false
 }
 
-// Priority for use in PriorityBitmap
-func (me PiecePriority) BitmapPriority() int {
-	return -int(me)
-}
-
 const (
 	PiecePriorityNone      PiecePriority = iota // Not wanted. Must be the zero value.
 	PiecePriorityNormal                         // Wanted.
 	PiecePriorityHigh                           // Wanted a lot.
 	PiecePriorityReadahead                      // May be required soon.
-	// Succeeds a piece where a read occurred. Currently, the same as Now, apparently due to issues
-	// with caching.
+	// Deprecated. Succeeds a piece where a read occurred. This used to prioritize the earlier
+	// pieces in the readahead window. The request strategy now does this, so it's no longer needed.
+	// There is downstream code that still assumes it's in use.
 	PiecePriorityNext
 	PiecePriorityNow // A Reader is reading in this piece. Highest urgency.
 )