diff --git a/wagtail/wagtaildocs/tests/test_serve_view.py b/wagtail/wagtaildocs/tests/test_serve_view.py
index dd868f004a..7cc6a158ee 100644
--- a/wagtail/wagtaildocs/tests/test_serve_view.py
+++ b/wagtail/wagtaildocs/tests/test_serve_view.py
@@ -20,6 +20,9 @@ class TestServeView(TestCase):
         self.document = models.Document(title="Test document")
         self.document.file.save('example.doc', ContentFile("A boring example document"))
 
+    def tearDown(self):
+        self.document.delete()
+
     def get(self):
         return self.client.get(reverse('wagtaildocs_serve', args=(self.document.id, self.document.filename)))
 
@@ -78,6 +81,9 @@ class TestServeViewWithSendfile(TestCase):
         self.document = models.Document(title="Test document")
         self.document.file.save('example.doc', ContentFile("A boring example document"))
 
+    def tearDown(self):
+        self.document.delete()
+
     def get(self):
         return self.client.get(reverse('wagtaildocs_serve', args=(self.document.id, self.document.filename)))