diff --git a/facts.asd b/facts.asd
index fbe00bf..121d557 100644
--- a/facts.asd
+++ b/facts.asd
@@ -21,7 +21,7 @@
:author "Thomas de Grivel <thoxdg@gmail.com>"
:version "0.2"
:description "in-memory graph database"
- :depends-on ("compare" "lessp" "local-time" "rollback")
+ :depends-on ("compare" "local-time" "rollback")
:components
((:file "package")
(:file "fact" :depends-on ("package"))