diff --git a/family-tree.cabal b/family-tree.cabal
--- a/family-tree.cabal
+++ b/family-tree.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.4.0.0
+version:             0.4.1.0
 
 package-url:         https://github.com/Taneb/family-tree
 
diff --git a/src/Data/FamilyTree.hs b/src/Data/FamilyTree.hs
--- a/src/Data/FamilyTree.hs
+++ b/src/Data/FamilyTree.hs
@@ -136,7 +136,6 @@
   ,_deathdate :: Maybe PartialDate
   ,_deathplace :: Maybe Location
   ,_attributes :: HashMap Text Text
-  ,_attendedEvents :: IntSet
   } deriving (Eq, Show)
              
 makeLenses ''Person