diff --git a/scopes/storage/tracking.py b/scopes/storage/tracking.py
index 3b50d70..54c16f8 100644
--- a/scopes/storage/tracking.py
+++ b/scopes/storage/tracking.py
@@ -170,8 +170,8 @@ class Container(object):
                 return track.trackId
         return self.insert(track, withTrackId=True)
 
-    def remove(self, trackId):
-        stmt = self.table.delete().where(self.table.c.trackid == trackId)
+    def remove(self, track):
+        stmt = self.table.delete().where(self.table.c.trackid == track.trackId)
         n = self.session.execute(stmt).rowcount
         if n > 0:
             self.storage.mark_changed()
diff --git a/scopes/tlib_storage.py b/scopes/tlib_storage.py
index e6b1b7d..f19aedf 100644
--- a/scopes/tlib_storage.py
+++ b/scopes/tlib_storage.py
@@ -50,7 +50,7 @@ def test_tracking(self, config):
     tr03 = storage.getItem('rec-31')
     self.assertEqual(tr03.trackId, 31)
 
-    n = tracks.remove(31)
+    n = tracks.remove(tr03)
     self.assertEqual(n, 1)
     self.assertEqual(tracks.get(31), None)