diff --git a/integration/check_test.go b/integration/check_test.go
index 1c46d5f1..45d2cd0f 100644
--- a/integration/check_test.go
+++ b/integration/check_test.go
@@ -31,7 +31,7 @@ type SkopeoSuite struct {
 	regV1         *testRegistryV1
 	regV2         *testRegistryV2
 	regV2Shema1   *testRegistryV2
-	regV1WithAuth *testRegistryV1
+	regV1WithAuth *testRegistryV1 // does v1 support auth?
 	regV2WithAuth *testRegistryV2
 }
 
@@ -47,7 +47,7 @@ func (s *SkopeoSuite) SetUpTest(c *check.C) {
 	_, err := exec.LookPath(skopeoBinary)
 	c.Assert(err, check.IsNil)
 
-	s.regV1 = setupRegistryV1At(c, privateRegistryURL0, false) // not used
+	s.regV1 = setupRegistryV1At(c, privateRegistryURL0, false) // TODO:(runcom)
 	s.regV2 = setupRegistryV2At(c, privateRegistryURL1, false, false)
 	s.regV2Shema1 = setupRegistryV2At(c, privateRegistryURL2, false, true)
 	s.regV1WithAuth = setupRegistryV1At(c, privateRegistryURL3, true) // not used
diff --git a/integration/registry.go b/integration/registry.go
index 2597fbc8..80c6983f 100644
--- a/integration/registry.go
+++ b/integration/registry.go
@@ -19,10 +19,15 @@ const (
 )
 
 type testRegistryV1 struct {
+	cmd *exec.Cmd
+	url string
+	dir string
 }
 
 func setupRegistryV1At(c *check.C, url string, auth bool) *testRegistryV1 {
-	return &testRegistryV1{}
+	return &testRegistryV1{
+		url: url,
+	}
 }
 
 type testRegistryV2 struct {