diff --git a/budget/forms.py b/budget/forms.py
index 0c5394b..fe14288 100644
--- a/budget/forms.py
+++ b/budget/forms.py
@@ -62,7 +62,6 @@ class BillForm(Form):
         bill.what=self.what.data
         bill.date=self.date.data
         bill.owers = [Person.query.get(ower) for ower in self.payed_for.data]
-        print self.payed_for.data
 
         return bill
 
diff --git a/budget/models.py b/budget/models.py
index 66eb4b6..ab93548 100644
--- a/budget/models.py
+++ b/budget/models.py
@@ -48,7 +48,7 @@ class Person(db.Model):
     name = db.Column(db.UnicodeText)
     activated = db.Column(db.Boolean, default=True)
 
-    def is_used(self):
+    def has_bills(self):
         bills_as_ower_number = db.session.query(Bill).join(billowers, Person)\
             .filter("Bill.id == billowers.bill_id")\
             .filter("Person.id == billowers.person_id")\
diff --git a/budget/tests.py b/budget/tests.py
index 2277301..595d1a1 100644
--- a/budget/tests.py
+++ b/budget/tests.py
@@ -1,3 +1,4 @@
+ # -*- coding: utf-8 -*-
 import os
 import tempfile
 import unittest
@@ -119,7 +120,7 @@ class BudgetTestCase(TestCase):
             # no new project added
             self.assertEqual(len(models.Project.query.all()), 1)
 
-    def test_add_member(self):
+    def test_membership(self):
         self.create_project("raclette")
         self.login("raclette")
 
@@ -132,6 +133,50 @@ class BudgetTestCase(TestCase):
         # should not accept him
         self.assertEqual(len(models.Project.query.get("raclette").members), 1)
 
+        # add fred
+        self.app.post("/raclette/members/add", data={'name': 'fred' })
+        self.assertEqual(len(models.Project.query.get("raclette").members), 2)
+
+        # check fred is present in the bills page
+        result = self.app.get("/raclette/")
+        self.assertIn("fred", result.data)
+        
+        # remove fred
+        self.app.post("/raclette/members/%s/delete" % 
+                models.Project.query.get("raclette").members[-1].id)
+
+        # as fred is not bound to any bill, he is removed
+        self.assertEqual(len(models.Project.query.get("raclette").members), 1)
+
+        # add fred again
+        self.app.post("/raclette/members/add", data={'name': 'fred' })
+        fred_id = models.Project.query.get("raclette").members[-1].id
+
+        # bound him to a bill
+        result = self.app.post("/raclette/add", data={
+            'date': '2011-08-10',
+            'what': u'fromage à raclette',
+            'payer': fred_id,
+            'payed_for': [fred_id,],
+            'amount': '25',
+        })
+
+        # remove fred
+        self.app.post("/raclette/members/%s/delete" % fred_id)
+
+        # he is still in the database, but is deactivated
+        self.assertEqual(len(models.Project.query.get("raclette").members), 2)
+        self.assertEqual(
+                len(models.Project.query.get("raclette").active_members), 1)
+
+        # as fred is now deactivated, check that he is not listed when adding
+        # a bill or displaying the balance
+        result = self.app.get("/raclette/")
+        self.assertNotIn("/raclette/members/%s/delete" % fred_id, result.data)
+
+        result = self.app.get("/raclette/add")
+        self.assertNotIn("fred", result.data)
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/budget/web.py b/budget/web.py
index d529171..9240e9c 100644
--- a/budget/web.py
+++ b/budget/web.py
@@ -150,7 +150,7 @@ def add_member(project):
 def remove_member(project, member_id):
     person = Person.query.get_or_404(member_id)
     if person.project == project:
-        if not person.is_used():
+        if not person.has_bills():
             db.session.delete(person)
             db.session.commit()
             flash("User '%s' has been removed" % person.name)