diff --git a/accountant/run.py b/accountant/run.py
index b069fc8..327337c 100644
--- a/accountant/run.py
+++ b/accountant/run.py
@@ -30,6 +30,6 @@ def add(email, password):
     user.email = email
     user.password = User.hash_password(password)
 
-    db.session.add(user)
+    db.session.add(user)  # pylint: disable=no-member
 
     click.echo("User '%s' successfully added." % email)
diff --git a/accountant/views/accounts.py b/accountant/views/accounts.py
index 09980cb..46a4c4d 100644
--- a/accountant/views/accounts.py
+++ b/accountant/views/accounts.py
@@ -116,8 +116,10 @@ range_parser.add_argument(
     location='args',
     help='End date of the time period'
 )
+# pylint: enable=invalid-name
 
 
+# pylint: disable=no-self-use
 @ns.route('/')
 @ns.doc(
     security='apikey',
@@ -156,10 +158,10 @@ class AccountListResource(Resource):
         account = Account(**data)
 
         # Add new account in session.
-        db.session.add(account)
+        db.session.add(account)  # pylint: disable=no-member
 
         # Flush session to have id in account.
-        db.session.flush()
+        db.session.flush()  # pylint: disable=no-member
 
         # Return account.
         return account, 201
@@ -226,7 +228,7 @@ class AccountResource(Resource):
         for k, v in data.items():
             setattr(account, k, v)
 
-        db.session.merge(account)
+        db.session.merge(account)  # pylint: disable=no-member
 
         # Return account.
         return account, 200
@@ -246,7 +248,7 @@ class AccountResource(Resource):
                 error_message='Account with id %d not found.' % account_id
             )
 
-        db.session.delete(account)
+        db.session.delete(account)  # pylint: disable=no-member
 
         return None, 204
 
diff --git a/accountant/views/operations.py b/accountant/views/operations.py
index 08cf746..a9a7fd8 100644
--- a/accountant/views/operations.py
+++ b/accountant/views/operations.py
@@ -86,8 +86,10 @@ account_range_parser.add_argument(
     location='args',
     help='Id of the account'
 )
+# pylint: enable=invalid-name
 
 
+# pylint: disable=no-self-use
 @ns.route('/')
 @ns.doc(
     security='apikey',
@@ -141,7 +143,7 @@ class OperationListResource(Resource):
 
         operation = Operation(**data)
 
-        db.session.add(operation)
+        db.session.add(operation)  # pylint: disable=no-member
 
         return operation, 201
 
@@ -165,7 +167,9 @@ class OperationResource(Resource):
     def get(self, operation_id):
         """Get operation."""
 
+        # pylint: disable=no-member
         operation = db.session.query(Operation).get(operation_id)
+        # pylint: enable=no-member
 
         if not operation:
             ns.abort(
@@ -192,7 +196,9 @@ class OperationResource(Resource):
                 error_message='Id must not be provided or changed on update.'
             )
 
+        # pylint: disable=no-member
         operation = db.session.query(Operation).get(operation_id)
+        # pylint: enable=no-member
 
         if not operation:
             ns.abort(
@@ -206,7 +212,7 @@ class OperationResource(Resource):
         for k, v in data.items():
             setattr(operation, k, v)
 
-        db.session.merge(operation)
+        db.session.merge(operation)  # pylint: disable=no-member
 
         return operation, 200
 
@@ -216,7 +222,9 @@ class OperationResource(Resource):
     def delete(self, operation_id):
         """Delete an operation."""
 
+        # pylint: disable=no-member
         operation = db.session.query(Operation).get(operation_id)
+        # pylint: enable=no-member
 
         if not operation:
             ns.abort(
@@ -224,6 +232,6 @@ class OperationResource(Resource):
                 error_message='Operation with id %d not found.' % operation_id
             )
 
-        db.session.delete(operation)
+        db.session.delete(operation)  # pylint: disable=no-member
 
         return None, 204
diff --git a/accountant/views/scheduled_operations.py b/accountant/views/scheduled_operations.py
index 7aa2c12..7e9ce90 100644
--- a/accountant/views/scheduled_operations.py
+++ b/accountant/views/scheduled_operations.py
@@ -64,8 +64,10 @@ account_id_parser.add_argument(
     location='args',
     help='Id of the account'
 )
+# pylint: enable=invalid-name
 
 
+# pylint: disable=no-self-use
 @ns.route('/')
 @ns.doc(
     security='apikey',
@@ -115,11 +117,11 @@ class ScheduledOperationListResource(Resource):
 
         scheduled_operation = ScheduledOperation(**data)
 
-        db.session.add(scheduled_operation)
+        db.session.add(scheduled_operation)  # pylint: disable=no-member
 
         scheduled_operation.reschedule()
 
-        db.session.flush()
+        db.session.flush()  # pylint: disable=no-member
 
         return scheduled_operation, 201
 
@@ -187,11 +189,11 @@ class ScheduledOperationResource(Resource):
         for k, v in data.items():
             setattr(scheduled_operation, k, v)
 
-        db.session.merge(scheduled_operation)
+        db.session.merge(scheduled_operation)  # pylint: disable=no-member
 
         scheduled_operation.reschedule()
 
-        db.session.flush()
+        db.session.flush()  # pylint: disable=no-member
 
         return scheduled_operation, 200
 
@@ -225,6 +227,6 @@ class ScheduledOperationResource(Resource):
         # Delete unconfirmed operations
         scheduled_operation.operations.delete()
 
-        db.session.delete(scheduled_operation)
+        db.session.delete(scheduled_operation)  # pylint: disable=no-member
 
         return None, 204
diff --git a/accountant/views/users.py b/accountant/views/users.py
index f7489ad..5088eb7 100644
--- a/accountant/views/users.py
+++ b/accountant/views/users.py
@@ -46,8 +46,10 @@ user_model = ns.model('User', {
         readonly=True,
         description='Active state of the user')
 })
+# pylint: enable=invalid-name
 
 
+# pylint: disable=no-self-use
 @ns.route('/login')
 class LoginResource(Resource):
     """Resource to handle login operations."""