diff --git a/sh/tests/numerical_operations_the_return_test.py b/sh/tests/numerical_operations_the_return_test.py
deleted file mode 100644
index 86bcc49e..00000000
--- a/sh/tests/numerical_operations_the_return_test.py
+++ /dev/null
@@ -1,34 +0,0 @@
-from numerical_operations_the_return import *
-import sys
-
-sys.path.append('/jail/app/student')
-
-
-def test_modulo():
-    assert modulo(100, 50) == 0
-    assert modulo(11, 5) == 1
-    assert modulo(27, 20) == 7
-    assert modulo(3.5, 0.5) == 0
-    assert modulo(3.5, 1.5) == 0.5
-    assert modulo(0, 2) == 0
-    assert modulo(20, 0) == 0
-
-
-def test_divide():
-    assert divide(100, 50) == 100 / 50
-    assert divide(11, 5) == 11 / 5
-    assert divide(27, 20) == 27 / 20
-    assert divide(3.5, 0.5) == 7
-    assert divide(3.5, 1.5) == 3.5 / 1.5
-    assert divide(0, 2) == 0
-    assert divide(20, 0) == 0
-
-
-def test_integer_division():
-    assert integer_division(100, 51) == 1
-    assert integer_division(11.0, 5.0) == 2
-    assert integer_division(27.0, 20.0) == 1
-    assert integer_division(3.5, 0.5) == 7
-    assert integer_division(3.5, 1.5) == 2
-    assert integer_division(0, 2) == 0
-    assert integer_division(20, 0) == 0
diff --git a/sh/tests/solutions/numerical_operations_the_return.py b/sh/tests/solutions/numerical_operations_the_return.py
deleted file mode 100644
index bfed0903..00000000
--- a/sh/tests/solutions/numerical_operations_the_return.py
+++ /dev/null
@@ -1,19 +0,0 @@
-def modulo(a, b):
-    if b == 0:
-        return 0
-    else:
-        return a % b
-
-
-def divide(a, b):
-    if b == 0:
-        return 0
-    else:
-        return a / b
-
-
-def integer_division(a, b):
-    if b == 0:
-        return 0
-    else:
-        return a // b
diff --git a/subjects/devops/numerical-operation-the-return/README.md b/subjects/devops/numerical_operations_the_return/README.md
similarity index 100%
rename from subjects/devops/numerical-operation-the-return/README.md
rename to subjects/devops/numerical_operations_the_return/README.md