diff --git a/glide.yaml b/glide.yaml
deleted file mode 100644
index 9c0dffd9..00000000
--- a/glide.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
-package: github.com/rusenask/docker-registry-client
-import:
-- package: github.com/docker/distribution
-  version: 5db89f0ca68677abc5eefce8f2a0a772c98ba52d
-  subpackages:
-  - manifest/schema1
-  - manifest/schema2
-- package: github.com/opencontainers/go-digest
-  version: ^1.0.0-rc0
diff --git a/registry/layer.go b/registry/layer.go
deleted file mode 100644
index 094c894c..00000000
--- a/registry/layer.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package registry
-
-import (
-	"io"
-	"net/http"
-	"net/url"
-
-	"github.com/docker/distribution"
-	"github.com/docker/distribution/digest"
-)
-
-func (registry *Registry) DownloadLayer(repository string, digest digest.Digest) (io.ReadCloser, error) {
-	url := registry.url("/v2/%s/blobs/%s", repository, digest)
-	registry.Logf("registry.layer.download url=%s repository=%s digest=%s", url, repository, digest)
-
-	resp, err := registry.Client.Get(url)
-	if err != nil {
-		return nil, err
-	}
-
-	return resp.Body, nil
-}
-
-func (registry *Registry) UploadLayer(repository string, digest digest.Digest, content io.Reader) error {
-	uploadUrl, err := registry.initiateUpload(repository)
-	if err != nil {
-		return err
-	}
-	q := uploadUrl.Query()
-	q.Set("digest", digest.String())
-	uploadUrl.RawQuery = q.Encode()
-
-	registry.Logf("registry.layer.upload url=%s repository=%s digest=%s", uploadUrl, repository, digest)
-
-	upload, err := http.NewRequest("PUT", uploadUrl.String(), content)
-	if err != nil {
-		return err
-	}
-	upload.Header.Set("Content-Type", "application/octet-stream")
-
-	_, err = registry.Client.Do(upload)
-	return err
-}
-
-func (registry *Registry) HasLayer(repository string, digest digest.Digest) (bool, error) {
-	checkUrl := registry.url("/v2/%s/blobs/%s", repository, digest)
-	registry.Logf("registry.layer.check url=%s repository=%s digest=%s", checkUrl, repository, digest)
-
-	resp, err := registry.Client.Head(checkUrl)
-	if resp != nil {
-		defer resp.Body.Close()
-	}
-	if err == nil {
-		return resp.StatusCode == http.StatusOK, nil
-	}
-
-	urlErr, ok := err.(*url.Error)
-	if !ok {
-		return false, err
-	}
-	httpErr, ok := urlErr.Err.(*HttpStatusError)
-	if !ok {
-		return false, err
-	}
-	if httpErr.Response.StatusCode == http.StatusNotFound {
-		return false, nil
-	}
-
-	return false, err
-}
-
-func (registry *Registry) LayerMetadata(repository string, digest digest.Digest) (distribution.Descriptor, error) {
-	checkUrl := registry.url("/v2/%s/blobs/%s", repository, digest)
-	registry.Logf("registry.layer.check url=%s repository=%s digest=%s", checkUrl, repository, digest)
-
-	resp, err := registry.Client.Head(checkUrl)
-	if resp != nil {
-		defer resp.Body.Close()
-	}
-	if err != nil {
-		return distribution.Descriptor{}, err
-	}
-
-	return distribution.Descriptor{
-		Digest: digest,
-		Size:   resp.ContentLength,
-	}, nil
-}
-
-func (registry *Registry) initiateUpload(repository string) (*url.URL, error) {
-	initiateUrl := registry.url("/v2/%s/blobs/uploads/", repository)
-	registry.Logf("registry.layer.initiate-upload url=%s repository=%s", initiateUrl, repository)
-
-	resp, err := registry.Client.Post(initiateUrl, "application/octet-stream", nil)
-	if resp != nil {
-		defer resp.Body.Close()
-	}
-	if err != nil {
-		return nil, err
-	}
-
-	location := resp.Header.Get("Location")
-	locationUrl, err := url.Parse(location)
-	if err != nil {
-		return nil, err
-	}
-	return locationUrl, nil
-}
diff --git a/registry/manifest.go b/registry/manifest.go
index 7b11cf81..5bfabe43 100644
--- a/registry/manifest.go
+++ b/registry/manifest.go
@@ -8,7 +8,7 @@ import (
 	manifestV1 "github.com/docker/distribution/manifest/schema1"
 	manifestV2 "github.com/docker/distribution/manifest/schema2"
 
-	"github.com/opencontainers/go-digest"
+	digest "github.com/opencontainers/go-digest"
 )
 
 func (registry *Registry) Manifest(repository, reference string) (*manifestV1.SignedManifest, error) {
@@ -70,11 +70,12 @@ func (registry *Registry) ManifestV2(repository, reference string) (*manifestV2.
 	return deserialized, nil
 }
 
+// ManifestDigest - get manifest digest
 func (registry *Registry) ManifestDigest(repository, reference string) (digest.Digest, error) {
 	url := registry.url("/v2/%s/manifests/%s", repository, reference)
 	registry.Logf("registry.manifest.head url=%s repository=%s reference=%s", url, repository, reference)
 
-	req, err := http.NewRequest("HEAD", url, nil)
+	req, err := http.NewRequest("GET", url, nil)
 	if err != nil {
 		return "", err
 	}
diff --git a/registry/tags.go b/registry/tags.go
index 973219e3..aab4ed5c 100644
--- a/registry/tags.go
+++ b/registry/tags.go
@@ -4,6 +4,7 @@ type tagsResponse struct {
 	Tags []string `json:"tags"`
 }
 
+// Tags returns repository tags, ie: latest, 1.0.0, 2.0.0, etc..
 func (registry *Registry) Tags(repository string) (tags []string, err error) {
 	url := registry.url("/v2/%s/tags/list", repository)