diff --git a/django-diary/source_code_final/entries/tests.py b/django-diary/source_code_final/entries/tests.py
deleted file mode 100644
index 7ce503c2dd..0000000000
--- a/django-diary/source_code_final/entries/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/django-diary/source_code_step_2/entries/tests.py b/django-diary/source_code_step_2/entries/tests.py
deleted file mode 100644
index 7ce503c2dd..0000000000
--- a/django-diary/source_code_step_2/entries/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/django-diary/source_code_step_3/entries/tests.py b/django-diary/source_code_step_3/entries/tests.py
deleted file mode 100644
index 7ce503c2dd..0000000000
--- a/django-diary/source_code_step_3/entries/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/django-diary/source_code_step_4/entries/tests.py b/django-diary/source_code_step_4/entries/tests.py
deleted file mode 100644
index 7ce503c2dd..0000000000
--- a/django-diary/source_code_step_4/entries/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/django-diary/source_code_step_5/entries/tests.py b/django-diary/source_code_step_5/entries/tests.py
deleted file mode 100644
index 7ce503c2dd..0000000000
--- a/django-diary/source_code_step_5/entries/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/django-diary/source_code_step_6/entries/tests.py b/django-diary/source_code_step_6/entries/tests.py
deleted file mode 100644
index 7ce503c2dd..0000000000
--- a/django-diary/source_code_step_6/entries/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.