diff --git a/event/filter/old_filter.go b/event/filter/eth_filter.go
similarity index 94%
rename from event/filter/old_filter.go
rename to event/filter/eth_filter.go
index ab0127ffb7..295fcfbbf9 100644
--- a/event/filter/old_filter.go
+++ b/event/filter/eth_filter.go
@@ -1,6 +1,7 @@
-// XXX This is the old filter system specifically for messages. This is till in used and could use some refactoring
 package filter
 
+// TODO make use of the generic filtering system
+
 import (
 	"sync"