diff --git a/pkg/diff2/groupsort_test.go b/pkg/diff2/groupsort_test.go
deleted file mode 100644
index 50d486106..000000000
--- a/pkg/diff2/groupsort_test.go
+++ /dev/null
@@ -1,32 +0,0 @@
-package diff2
-
-// func makeRecSet(recs ...*models.RecordConfig) *recset {
-// 	result := recset{}
-// 	result.Key = recs[0].Key()
-// 	result.Recs = append(result.Recs, recs...)
-// 	return &result
-// }
-
-// func Test_groupbyRSet(t *testing.T) {
-
-// 	wwwa1 := makeRec("www", "A", "1.1.1.1")
-// 	wwwa2 := makeRec("www", "A", "2.2.2.2")
-// 	zzza1 := makeRec("zzz", "A", "1.1.0.0")
-// 	zzza2 := makeRec("zzz", "A", "2.2.0.0")
-// 	wwwmx1 := makeRec("www", "MX", "1 mx1.foo.com.")
-// 	wwwmx2 := makeRec("www", "MX", "2 mx2.foo.com.")
-// 	zzzmx1 := makeRec("zzz", "MX", "1 mx.foo.com.")
-// 	orig := models.Records{wwwa1, wwwa2, zzza1, zzza2, wwwmx1, wwwmx2, zzzmx1}
-// 	wantResult := []recset{
-// 		*makeRecSet(wwwa1, wwwa2),
-// 		*makeRecSet(wwwmx1, wwwmx2),
-// 		*makeRecSet(zzza1, zzza2),
-// 		*makeRecSet(zzzmx1),
-// 	}
-
-// 	t.Run("afew", func(t *testing.T) {
-// 		if gotResult := groupbyRSet(orig, "f.com"); !reflect.DeepEqual(gotResult, wantResult) {
-// 			t.Errorf("groupbyRSet() = %v, want %v", gotResult, wantResult)
-// 		}
-// 	})
-// }