diff --git a/test_extract_otp_secret_keys_pytest.py b/test_extract_otp_secret_keys_pytest.py
index 0fd86a8..87e8cf9 100644
--- a/test_extract_otp_secret_keys_pytest.py
+++ b/test_extract_otp_secret_keys_pytest.py
@@ -18,9 +18,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import csv
-import json
-import os
+from utils import read_csv, read_json, remove_file
 
 import extract_otp_secret_keys
 
@@ -61,23 +59,3 @@ def test_extract_json():
 def cleanup():
     remove_file('test_example_output.csv')
     remove_file('test_example_output.json')
-
-
-def remove_file(filename):
-    if os.path.exists(filename): os.remove(filename)
-
-
-def read_csv(filename):
-    """Returns a list of lines."""
-    with open(filename, "r") as infile:
-        lines = []
-        reader = csv.reader(infile)
-        for line in reader:
-            lines.append(line)
-        return lines
-
-
-def read_json(filename):
-    """Returns a list or a dictionary."""
-    with open(filename, "r") as infile:
-        return json.load(infile)
diff --git a/test_extract_otp_secret_keys_unittest.py b/test_extract_otp_secret_keys_unittest.py
index e07a1fd..5e03120 100644
--- a/test_extract_otp_secret_keys_unittest.py
+++ b/test_extract_otp_secret_keys_unittest.py
@@ -19,9 +19,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest
-import csv
-import json
-import os
+from utils import read_csv, read_json, remove_file
 
 import extract_otp_secret_keys
 
@@ -55,25 +53,5 @@ class TestExtract(unittest.TestCase):
         remove_file('test_example_output.json')
 
 
-def remove_file(filename):
-    if os.path.exists(filename): os.remove(filename)
-
-
-def read_csv(filename):
-    """Returns a list of lines."""
-    with open(filename, "r") as infile:
-        lines = []
-        reader = csv.reader(infile)
-        for line in reader:
-            lines.append(line)
-        return lines
-
-
-def read_json(filename):
-    """Returns a list or a dictionary."""
-    with open(filename, "r") as infile:
-        return json.load(infile)
-
-
 if __name__ == '__main__':
     unittest.main()
diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..19f4437
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,37 @@
+# Author: Scito (https://scito.ch)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+import csv
+import json
+import os
+
+def remove_file(filename):
+    if os.path.exists(filename): os.remove(filename)
+
+
+def read_csv(filename):
+    """Returns a list of lines."""
+    with open(filename, "r") as infile:
+        lines = []
+        reader = csv.reader(infile)
+        for line in reader:
+            lines.append(line)
+        return lines
+
+
+def read_json(filename):
+    """Returns a list or a dictionary."""
+    with open(filename, "r") as infile:
+        return json.load(infile)