diff --git a/cmd/mothd/state_filesystem_test.go b/cmd/mothd/state_filesystem_test.go
index c51cf3d..d657d11 100644
--- a/cmd/mothd/state_filesystem_test.go
+++ b/cmd/mothd/state_filesystem_test.go
@@ -633,7 +633,7 @@ func TestStateDeleteTeamIDList(t *testing.T) {
 	s := NewTestState()
 	s.refresh()
 
-	afero.Remove(s, "teamids.txt")
+	s.Fs.Remove("teamids.txt")
 
 	teamIDs, err := s.TeamIDs()