diff --git a/tests/test_simple.py b/tests/test_simple.py
index eeb6577..ab02cf1 100644
--- a/tests/test_simple.py
+++ b/tests/test_simple.py
@@ -14,6 +14,7 @@ def clean_dir():
     map(os.remove, glob.glob("./tests/*.rst"))
     map(os.remove, glob.glob("./tests/*.png"))
     map(os.remove, glob.glob("./tests/*.html"))
+    map(os.remove, glob.glob("./tests/test_files/*"))
 
 
 @nt.with_setup(clean_dir, clean_dir)