diff --git a/core/templates/core/delete_confirm.jinja b/core/templates/core/delete_confirm.jinja
index 9d0bee4c..f5c5de24 100644
--- a/core/templates/core/delete_confirm.jinja
+++ b/core/templates/core/delete_confirm.jinja
@@ -1,10 +1,16 @@
 {% extends "core/base.jinja" %}
 
+{% block title %}
+{% trans %}Delete confirmation{% endtrans %}
+{% endblock %}
+
 {% block content %}
 <h2>{% trans %}Delete confirmation{% endtrans %}</h2>
 <form action="" method="post">{% csrf_token %}
     <p>{% trans obj=object %}Are you sure you want to delete "{{ obj }}"?{% endtrans %}</p>
     <input type="submit" value="{% trans %}Confirm{% endtrans %}" />
+</form>
+<form method="GET" action="javascript:history.back();">
     <input type="submit" name="cancel" value="{% trans %}Cancel{% endtrans %}" />
 </form>
 {% endblock %}
diff --git a/core/templates/core/file_delete_confirm.jinja b/core/templates/core/file_delete_confirm.jinja
index 151ba266..3efd2bd7 100644
--- a/core/templates/core/file_delete_confirm.jinja
+++ b/core/templates/core/file_delete_confirm.jinja
@@ -1,10 +1,16 @@
 {% extends "core/file.jinja" %}
 
+{% block title %}
+{% trans %}Delete confirmation{% endtrans %}
+{% endblock %}
+
 {% block file %}
 <h2>{% trans %}Delete confirmation{% endtrans %}</h2>
 <form action="" method="post">{% csrf_token %}
     <p>{% trans obj=object %}Are you sure you want to delete "{{ obj }}"?{% endtrans %}</p>
     <input type="submit" value="{% trans %}Confirm{% endtrans %}" />
+</form>
+<form method="GET" action="javascript:history.back();">
     <input type="submit" name="cancel" value="{% trans %}Cancel{% endtrans %}" />
 </form>
 {% endblock %}
diff --git a/core/templates/core/user_account.jinja b/core/templates/core/user_account.jinja
index ca5093f5..991173c0 100644
--- a/core/templates/core/user_account.jinja
+++ b/core/templates/core/user_account.jinja
@@ -28,6 +28,9 @@
         <td><a href="{{ i.operator.get_absolute_url() }}">{{ i.operator.get_display_name() }}</a></td>
         <td>{{ i.amount }} €</td>
         <td>{{ i.get_payment_method_display() }}</td>
+        {% if i.is_owned_by(user) %}
+            <td><a href="{{ url('counter:refilling_delete', refilling_id=i.id) }}">Delete</a></td>
+        {% endif %}
     </tr>
 {% endfor %}
     </tbody>
@@ -57,6 +60,9 @@
         <td>{{ i.quantity }}</td>
         <td>{{ i.quantity * i.unit_price }} €</td>
         <td>{{ i.get_payment_method_display() }}</td>
+        {% if i.is_owned_by(user) %}
+            <td><a href="{{ url('counter:selling_delete', selling_id=i.id) }}">Delete</a></td>
+        {% endif %}
     </tr>
 {% endfor %}
     </tbody>
diff --git a/counter/models.py b/counter/models.py
index 066f6bbc..ade72cd2 100644
--- a/counter/models.py
+++ b/counter/models.py
@@ -5,8 +5,7 @@ from django.conf import settings
 from django.core.urlresolvers import reverse
 from django.forms import ValidationError
 
-from datetime import timedelta, datetime
-from pytz import timezone
+from datetime import timedelta
 import random
 import string
 
@@ -188,7 +187,7 @@ class Counter(models.Model):
 
     def get_random_barman(self):
         bl = self.get_barmen_list()
-        return bl[randrange(0, len(bl))]
+        return bl[random.randrange(0, len(bl))]
 
     def is_open(self):
         response = False
@@ -220,12 +219,20 @@ class Refilling(models.Model):
     def __str__(self):
         return "Refilling: %.2f for %s" % (self.amount, self.customer.user.get_display_name())
 
+    def is_owned_by(self, user):
+        return user.can_edit(self.counter) and self.payment_method != "CARD"
+
     # def get_absolute_url(self):
     #     return reverse('counter:details', kwargs={'counter_id': self.id})
 
+    def delete(self, *args, **kwargs):
+        self.customer.amount -= self.amount
+        self.customer.save()
+        super(Refilling, self).delete(*args, **kwargs)
+
     def save(self, *args, **kwargs):
         if not self.date:
-            self.date = datetime.now().replace(tzinfo=timezone(settings.TIME_ZONE))
+            self.date = timezone.now()
         self.full_clean()
         if not self.is_validated:
             self.customer.amount += self.amount
@@ -257,9 +264,17 @@ class Selling(models.Model):
         return "Selling: %d x %s (%f) for %s" % (self.quantity, self.label,
                 self.quantity*self.unit_price, self.customer.user.get_display_name())
 
+    def is_owned_by(self, user):
+        return user.can_edit(self.counter) and self.payment_method != "CARD"
+
+    def delete(self, *args, **kwargs):
+        self.customer.amount += self.quantity * self.unit_price
+        self.customer.save()
+        super(Selling, self).delete(*args, **kwargs)
+
     def save(self, *args, **kwargs):
         if not self.date:
-            self.date = datetime.now().replace(tzinfo=timezone(settings.TIME_ZONE))
+            self.date = timezone.now()
         self.full_clean()
         if not self.is_validated:
             self.customer.amount -= self.quantity * self.unit_price
diff --git a/counter/urls.py b/counter/urls.py
index 860b34b3..a3190d22 100644
--- a/counter/urls.py
+++ b/counter/urls.py
@@ -17,6 +17,8 @@ urlpatterns = [
     url(r'^admin/producttype/list$', ProductTypeListView.as_view(), name='producttype_list'),
     url(r'^admin/producttype/create$', ProductTypeCreateView.as_view(), name='new_producttype'),
     url(r'^admin/producttype/(?P<type_id>[0-9]+)$', ProductTypeEditView.as_view(), name='producttype_edit'),
+    url(r'^admin/selling/(?P<selling_id>[0-9]+)/delete$', SellingDeleteView.as_view(), name='selling_delete'),
+    url(r'^admin/refilling/(?P<refilling_id>[0-9]+)/delete$', RefillingDeleteView.as_view(), name='refilling_delete'),
 ]
 
 
diff --git a/counter/views.py b/counter/views.py
index f6298df0..6e3fc0a6 100644
--- a/counter/views.py
+++ b/counter/views.py
@@ -410,3 +410,26 @@ class ProductEditView(CanEditPropMixin, UpdateView):
     template_name = 'core/edit.jinja'
     # TODO: add management of the 'counters' ForeignKey
 
+
+class RefillingDeleteView(CanEditPropMixin, DeleteView):
+    """
+    Delete a refilling (for the admins)
+    """
+    model = Refilling
+    pk_url_kwarg = "refilling_id"
+    template_name = 'core/delete_confirm.jinja'
+
+    def get_success_url(self):
+        return reverse_lazy('core:user_account', kwargs={'user_id': self.object.customer.user.id})
+
+class SellingDeleteView(CanEditPropMixin, DeleteView):
+    """
+    Delete a selling (for the admins)
+    """
+    model = Selling
+    pk_url_kwarg = "selling_id"
+    template_name = 'core/delete_confirm.jinja'
+
+    def get_success_url(self):
+        return reverse_lazy('core:user_account', kwargs={'user_id': self.object.customer.user.id})
+
diff --git a/migrate.py b/migrate.py
index 76b61843..14509f76 100644
--- a/migrate.py
+++ b/migrate.py
@@ -337,6 +337,15 @@ def migrate_counters():
                 print("FAIL to migrate counter %s: %s" % (r['id_comptoir'], repr(e)))
     cur.close()
 
+def reset_customer_amount():
+    Refilling.objects.all().delete()
+    Selling.objects.all().delete()
+    Invoice.objects.all().delete()
+    for c in Customer.objects.all():
+        c.amount = 0
+        c.save()
+    print("Customer amount reset")
+
 def migrate_refillings():
     BANK = {
             0: "OTHER",
@@ -359,10 +368,6 @@ def migrate_refillings():
     """)
     Refilling.objects.filter(payment_method="SITH_ACCOUNT").delete()
     print("Sith account refillings deleted")
-    for c in Customer.objects.all():
-        c.amount = 0
-        c.save()
-    print("Customer amount reset")
     fail = 100
     root_cust = Customer.objects.filter(user__id=0).first()
     mde = Counter.objects.filter(id=1).first()
@@ -546,6 +551,7 @@ def main():
     # migrate_typeproducts()
     # migrate_products()
     # migrate_products_to_counter()
+    reset_customer_amount()
     migrate_invoices()
     migrate_refillings()
     migrate_sellings()