diff --git a/apps/establishment/serializers.py b/apps/establishment/serializers.py
index 230f2d2e..37d0e9f2 100644
--- a/apps/establishment/serializers.py
+++ b/apps/establishment/serializers.py
@@ -176,8 +176,6 @@ class EstablishmentDetailSerializer(EstablishmentListSerializer):
     best_price_menu = serializers.DecimalField(max_digits=14, decimal_places=2, read_only=True)
     best_price_carte = serializers.DecimalField(max_digits=14, decimal_places=2, read_only=True)
 
-    in_favorites = serializers.SerializerMethodField()
-
     class Meta:
         """Meta class."""