diff --git a/addons/analytic_contract_hr_expense/__openerp__.py b/addons/analytic_contract_hr_expense/__openerp__.py
index b5ab6bea9ab..6d5cca8b574 100644
--- a/addons/analytic_contract_hr_expense/__openerp__.py
+++ b/addons/analytic_contract_hr_expense/__openerp__.py
@@ -40,7 +40,6 @@ This module is for modifying account analytic view to show some data related to
              ],
     'installable': True,
     'auto_install': True,
-    'certificate': '',
 }
 
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/addons/event/report/report_event_registration.py b/addons/event/report/report_event_registration.py
index 17472e0cc95..060b1ef7556 100644
--- a/addons/event/report/report_event_registration.py
+++ b/addons/event/report/report_event_registration.py
@@ -27,7 +27,6 @@ class report_event_registration(osv.osv):
     _name = "report.event.registration"
     _description = "Events Analysis"
     _auto = False
-    _rec_name = 'date'
     _columns = {
         'event_date': fields.char('Event Start Date', size=64, readonly=True),
         'year': fields.char('Year', size=4, readonly=True),
diff --git a/addons/hr_evaluation/report/hr_evaluation_report.py b/addons/hr_evaluation/report/hr_evaluation_report.py
index ac32133186c..bc2e50629c3 100644
--- a/addons/hr_evaluation/report/hr_evaluation_report.py
+++ b/addons/hr_evaluation/report/hr_evaluation_report.py
@@ -26,7 +26,6 @@ class hr_evaluation_report(osv.osv):
     _name = "hr.evaluation.report"
     _description = "Evaluations Statistics"
     _auto = False
-    _rec_name = 'date'
     _columns = {
         'create_date': fields.date('Create Date', readonly=True),
         'delay_date':fields.float('Delay to Start', digits=(16,2),readonly=True),
diff --git a/addons/l10n_ar/__openerp__.py b/addons/l10n_ar/__openerp__.py
index 8971ce94b22..ef04805d1b0 100644
--- a/addons/l10n_ar/__openerp__.py
+++ b/addons/l10n_ar/__openerp__.py
@@ -45,7 +45,6 @@ Plan contable argentino e impuestos de acuerdo a disposiciones vigentes
 			],
     "active": False,
     "installable": True,
-    "certificate" : "",
     'images': ['images/config_chart_l10n_ar.jpeg','images/l10n_ar_chart.jpeg'],
 }
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/addons/l10n_cl/__openerp__.py b/addons/l10n_cl/__openerp__.py
index 8c1e1e45b50..d10acdae575 100644
--- a/addons/l10n_cl/__openerp__.py
+++ b/addons/l10n_cl/__openerp__.py
@@ -45,7 +45,6 @@ Plan contable chileno e impuestos de acuerdo a disposiciones vigentes
 			],
     "active": False,
     "installable": True,
-    "certificate" : "",
     'images': ['images/config_chart_l10n_cl.jpeg','images/l10n_cl_chart.jpeg'],
 }
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: