diff --git a/example.env b/example.env
index c5368cd77defe2d1ce34fae54367d41c23fbea3a..c1dd4a048676f395bb599ec232840f2be882ca4f 100644
--- a/example.env
+++ b/example.env
@@ -17,9 +17,6 @@ CHILDREN_KEY="enfants"
 # Path to file containing decompositions in JSON format
 DECOMPOSITION_PATH="../openfisca-france-json/decompositions/decompositions_customized.json"
 
-# Name of variable used as root of decomposition
-DECOMPOSITION_ROOT="revenu_disponible"
-
 # Key for family entity
 FAMILY_KEY="famille"