diff --git a/addons/barcodes/models/barcodes.py b/addons/barcodes/models/barcodes.py
index 6c3d228895e..1ee93c3bdd6 100644
--- a/addons/barcodes/models/barcodes.py
+++ b/addons/barcodes/models/barcodes.py
@@ -174,14 +174,14 @@ class BarcodeRule(models.Model):
     barcode_nomenclature_id = fields.Many2one('barcode.nomenclature', string='Barcode Nomenclature')
     sequence = fields.Integer(string='Sequence', help='Used to order rules such that rules with a smaller sequence match first')
     encoding = fields.Selection([
-                ('any', _('Any')),
+                ('any', 'Any'),
                 ('ean13', 'EAN-13'),
                 ('ean8', 'EAN-8'),
                 ('upca', 'UPC-A'),
         ], string='Encoding', required=True, default='any', help='This rule will apply only if the barcode is encoded with the specified encoding')
     type = fields.Selection([
-            ('alias', _('Alias')),
-            ('product', _('Unit Product'))
+            ('alias', 'Alias'),
+            ('product', 'Unit Product')
         ], string='Type', required=True, default='product')
     pattern = fields.Char(string='Barcode Pattern', size=32, help="The barcode matching pattern", required=True, default='.*')
     alias = fields.Char(string='Alias', size=32, default='0', help='The matched pattern will alias to this barcode', required=True)
diff --git a/addons/l10n_mx/models/account.py b/addons/l10n_mx/models/account.py
index b1c691c85f6..e7df50dbe0b 100644
--- a/addons/l10n_mx/models/account.py
+++ b/addons/l10n_mx/models/account.py
@@ -55,5 +55,5 @@ class AccountAccountTag(models.Model):
     _inherit = 'account.account.tag'
 
     nature = fields.Selection([
-        ('D', _('Debitable Account')), ('A', _('Creditable Account'))],
+        ('D', 'Debitable Account'), ('A', 'Creditable Account')],
         help='Used in Mexican report of electronic accounting (account nature).')
diff --git a/addons/point_of_sale/models/barcode_rule.py b/addons/point_of_sale/models/barcode_rule.py
index 9fab9caa69a..5e505983006 100644
--- a/addons/point_of_sale/models/barcode_rule.py
+++ b/addons/point_of_sale/models/barcode_rule.py
@@ -9,9 +9,9 @@ class BarcodeRule(models.Model):
     _inherit = 'barcode.rule'
 
     type = fields.Selection(selection_add=[
-            ('weight', _('Weighted Product')),
-            ('price', _('Priced Product')),
-            ('discount', _('Discounted Product')),
-            ('client', _('Client')),
-            ('cashier', _('Cashier'))
+            ('weight', 'Weighted Product'),
+            ('price', 'Priced Product'),
+            ('discount', 'Discounted Product'),
+            ('client', 'Client'),
+            ('cashier', 'Cashier')
         ])
diff --git a/addons/pos_mercury/models/pos_mercury.py b/addons/pos_mercury/models/pos_mercury.py
index 0c48502ee76..659adca0969 100644
--- a/addons/pos_mercury/models/pos_mercury.py
+++ b/addons/pos_mercury/models/pos_mercury.py
@@ -13,7 +13,7 @@ class BarcodeRule(models.Model):
     _inherit = 'barcode.rule'
 
     type = fields.Selection(selection_add=[
-        ('credit', _('Credit Card'))
+        ('credit', 'Credit Card')
     ])
 
 
diff --git a/addons/product/models/product_template.py b/addons/product/models/product_template.py
index 9056d40972b..8f27f14e59a 100644
--- a/addons/product/models/product_template.py
+++ b/addons/product/models/product_template.py
@@ -47,8 +47,8 @@ class ProductTemplate(models.Model):
         help="A description of the Product that you want to communicate to your customers. "
              "This description will be copied to every Sales Order, Delivery Order and Customer Invoice/Credit Note")
     type = fields.Selection([
-        ('consu', _('Consumable')),
-        ('service', _('Service'))], string='Product Type', default='consu', required=True,
+        ('consu', 'Consumable'),
+        ('service', 'Service')], string='Product Type', default='consu', required=True,
         help='A stockable product is a product for which you manage stock. The "Inventory" app has to be installed.\n'
              'A consumable product, on the other hand, is a product for which stock is not managed.\n'
              'A service is a non-material product you provide.\n'
diff --git a/addons/project/models/project.py b/addons/project/models/project.py
index 136477a4c1e..89fc9d5741c 100644
--- a/addons/project/models/project.py
+++ b/addons/project/models/project.py
@@ -197,9 +197,9 @@ class Project(models.Model):
         help="Internal email associated with this project. Incoming emails are automatically synchronized "
              "with Tasks (or optionally Issues if the Issue Tracker module is installed).")
     privacy_visibility = fields.Selection([
-            ('followers', _('On invitation only')),
-            ('employees', _('Visible by all employees')),
-            ('portal', _('Visible by following customers')),
+            ('followers', 'On invitation only'),
+            ('employees', 'Visible by all employees'),
+            ('portal', 'Visible by following customers'),
         ],
         string='Privacy', required=True,
         default='employees',
diff --git a/addons/stock/models/barcode.py b/addons/stock/models/barcode.py
index 99b88475e47..7daf697f972 100644
--- a/addons/stock/models/barcode.py
+++ b/addons/stock/models/barcode.py
@@ -8,8 +8,8 @@ class BarcodeRule(models.Model):
     _inherit = 'barcode.rule'
 
     type = fields.Selection(selection_add=[
-            ('weight', _('Weighted Product')),
-            ('location', _('Location')),
-            ('lot', _('Lot')),
-            ('package', _('Package'))
+            ('weight', 'Weighted Product'),
+            ('location', 'Location'),
+            ('lot', 'Lot'),
+            ('package', 'Package')
         ])