diff --git a/smash/web/tests/models/test_study_subject.py b/smash/web/tests/models/test_study_subject.py
index 11878f57384cd028d4bcb9412e06330be9d34db8..c94b46a31d94afd89eb64f9133598cff39c14e1d 100644
--- a/smash/web/tests/models/test_study_subject.py
+++ b/smash/web/tests/models/test_study_subject.py
@@ -114,7 +114,7 @@ class SubjectModelTests(TestCase):
 
         self.assertTrue(StudySubject.check_nd_number_regex(nd_number_study_subject_regex_default, study))
         # this will add a studysubject with a NDnumber
-        study_subject = create_study_subject(nd_number='ND0001')
+        create_study_subject(nd_number='ND0001')
 
         self.assertTrue(StudySubject.check_nd_number_regex(nd_number_study_subject_regex_default, study))
         # delete everything
@@ -127,7 +127,7 @@ class SubjectModelTests(TestCase):
         def create_result(phrase, subject_id=1):
             phrase = phrase.format(subject_id=subject_id)
             phrase = phrase.split(';')
-            for i, r in enumerate(phrase):
+            for i, r in enumerate(phrase):  # pylint: disable=unused-variable
                 letter, num = phrase[i].strip().split('-')
                 phrase[i] = (letter, int(num))
             return phrase