diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index 141db58..8c9181e 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -1,5 +1,6 @@
 # Standard library imports
 import datetime as dt
+import os
 import shutil
 import tempfile
 import unittest
@@ -95,7 +96,9 @@ class TestMMHelpers(unittest.TestCase):
         _, mp3_temp_path = tempfile.mkstemp(suffix=".mp3")
         shutil.copyfile("testdata/isa.mp3", mp3_temp_path)
         normalise_track(mp3_temp_path)
+        os.unlink(mp3_temp_path)
 
         _, flac_temp_path = tempfile.mkstemp(suffix=".flac")
         shutil.copyfile("testdata/isa.flac", flac_temp_path)
         normalise_track(flac_temp_path)
+        os.unlink(flac_temp_path)