diff --git a/accountant/models/accounts.py b/accountant/models/accounts.py
index b592f5f..d8f768b 100644
--- a/accountant/models/accounts.py
+++ b/accountant/models/accounts.py
@@ -2,15 +2,14 @@
 
 # vim: set tw=80 ts=4 sw=4 sts=4:
 
-# pylint: disable=no-member,too-few-public-methods
 from . import db
 
 from .operations import Operation
 
 
+# pylint: disable=no-member,invalid-name,too-few-public-methods,no-self-use
 class Account(db.Model):
     """Model class to handle accounts."""
-    # pylint: disable=invalid-name
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(200), nullable=False)
     authorized_overdraft = db.Column(db.Integer, nullable=True, default=0)
@@ -87,7 +86,6 @@ class Account(db.Model):
         return query.one()
 
     @db.validates('authorized_overdraft')
-    # pylint: disable=no-self-use
     def validate_authorized_overdraft(self, key, authorized_overdraft):
         """Validator for authorized_overdraft : must be negative."""
         del key
diff --git a/accountant/models/operations.py b/accountant/models/operations.py
index ce6cbd9..4e8f5d0 100644
--- a/accountant/models/operations.py
+++ b/accountant/models/operations.py
@@ -6,14 +6,13 @@ from datetime import date
 
 import arrow
 
-# pylint: disable=no-member,too-few-public-methods
 from . import db
 
 
-# pylint: disable=too-many-instance-attributes
+# pylint: disable=no-member,invalid-name,too-many-arguments
+# pylint: disable=too-few-public-methods,too-many-instance-attributes
 class Operation(db.Model):
     """Class used to handle operations."""
-    # pylint: disable=invalid-name
     id = db.Column(db.Integer, primary_key=True)
 
     operation_date = db.Column(
@@ -82,7 +81,6 @@ class Operation(db.Model):
         ).label("sold")
     )
 
-    # pylint: disable=too-many-arguments
     def __init__(self, label, value, account_id, operation_date=None,
                  category=None, pointed=False, confirmed=True, canceled=False,
                  scheduled_operation_id=None):
diff --git a/accountant/models/scheduled_operations.py b/accountant/models/scheduled_operations.py
index d4bd8f7..eaf8643 100644
--- a/accountant/models/scheduled_operations.py
+++ b/accountant/models/scheduled_operations.py
@@ -6,16 +6,16 @@ from calendar import monthrange
 
 import arrow
 
-# pylint: disable=no-member,too-few-public-methods,too-many-instance-attributes
 from . import db
 
 from .accounts import Account
 from .operations import Operation
 
 
+# pylint: disable=no-member,invalid-name,too-many-arguments
+# pylint: disable=too-few-public-methods,too-many-instance-attributes
 class ScheduledOperation(db.Model):
     """Class used to handle scheduled operations."""
-    # pylint: disable=invalid-name
     id = db.Column(db.Integer, primary_key=True)
 
     start_date = db.Column(db.Date, nullable=False)
@@ -39,7 +39,6 @@ class ScheduledOperation(db.Model):
         backref=db.backref('scheduled_operation', lazy="dynamic")
     )
 
-    # pylint: disable=too-many-arguments
     def __init__(self, start_date, stop_date, day, frequency, label, value,
                  account_id, category=None):
         self.start_date = start_date
diff --git a/accountant/models/users.py b/accountant/models/users.py
index 4cc514c..d4ca9dd 100644
--- a/accountant/models/users.py
+++ b/accountant/models/users.py
@@ -7,10 +7,10 @@ from passlib.hash import sha256_crypt as crypt
 from . import db
 
 
-# pylint: disable=no-member,too-few-public-methods
+# pylint: disable=no-member,invalid-name
+# pylint: disable=too-few-public-methods,too-many-instance-attributes
 class User(db.Model):
     """Class used to handle users."""
-    # pylint: disable=invalid-name
     id = db.Column(db.Integer, primary_key=True)
     email = db.Column(db.String(200), nullable=False, unique=True, index=True)
     password = db.Column(db.String(100), nullable=True)