diff --git a/pkg/apiserver/model/addon.go b/pkg/apiserver/model/addon.go
index fffd52e38..0088a858c 100644
--- a/pkg/apiserver/model/addon.go
+++ b/pkg/apiserver/model/addon.go
@@ -26,7 +26,7 @@ type AddonRegistry struct {
 
 // GitAddonSource defines the information about the Git as addon source
 type GitAddonSource struct {
-	URL   string `json:"url,omitempty"`
+	URL   string `json:"url,omitempty" validate:"required"`
 	Path  string `json:"path,omitempty"`
 	Token string `json:"token,omitempty"`
 }
diff --git a/pkg/apiserver/rest/apis/v1/types.go b/pkg/apiserver/rest/apis/v1/types.go
index 9f6b0c059..197e366a4 100644
--- a/pkg/apiserver/rest/apis/v1/types.go
+++ b/pkg/apiserver/rest/apis/v1/types.go
@@ -51,7 +51,7 @@ type EmptyResponse struct{}
 // CreateAddonRegistryRequest defines the format for addon registry create request
 type CreateAddonRegistryRequest struct {
 	Name string                `json:"name" validate:"checkname"`
-	Git  *model.GitAddonSource `json:"git,omitempty"`
+	Git  *model.GitAddonSource `json:"git,omitempty" validate:"required"`
 }
 
 // AddonRegistryMeta defines the format for a single addon registry
diff --git a/pkg/apiserver/rest/usecase/addon.go b/pkg/apiserver/rest/usecase/addon.go
index 44cb83f1e..0a1c3af8f 100644
--- a/pkg/apiserver/rest/usecase/addon.go
+++ b/pkg/apiserver/rest/usecase/addon.go
@@ -5,7 +5,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"net/http"
 	"net/url"
 	"path"
 	"sort"
@@ -47,6 +46,7 @@ const (
 type AddonUsecase interface {
 	GetAddonRegistryModel(ctx context.Context, name string) (*model.AddonRegistry, error)
 	CreateAddonRegistry(ctx context.Context, req apis.CreateAddonRegistryRequest) (*apis.AddonRegistryMeta, error)
+	DeleteAddonRegistry(ctx context.Context, name string) error
 	ListAddonRegistries(ctx context.Context) ([]*apis.AddonRegistryMeta, error)
 	ListAddons(ctx context.Context, detailed bool, query string) ([]*apis.DetailAddonResponse, error)
 	StatusAddon(name string) (*apis.AddonStatusResponse, error)
@@ -158,6 +158,10 @@ func (u *addonUsecaseImpl) ListAddons(ctx context.Context, detailed bool, query
 	return addons, nil
 }
 
+func (u *addonUsecaseImpl) DeleteAddonRegistry(ctx context.Context, name string) error {
+	return u.ds.Delete(ctx, &model.AddonRegistry{Name: name})
+}
+
 func (u *addonUsecaseImpl) CreateAddonRegistry(ctx context.Context, req apis.CreateAddonRegistryRequest) (*apis.AddonRegistryMeta, error) {
 	r := addonRegistryModelFromCreateAddonRegistryRequest(req)
 
@@ -312,13 +316,11 @@ func hasAddon(addons []*apis.DetailAddonResponse, name string) bool {
 func getAddonsFromGit(baseURL, dir, token string, detailed bool) ([]*apis.DetailAddonResponse, error) {
 	addons := []*apis.DetailAddonResponse{}
 	dec := yaml.NewDecodingSerializer(unstructured.UnstructuredJSONScheme)
-	var tc *http.Client
+	var ts oauth2.TokenSource
 	if token != "" {
-		ts := oauth2.StaticTokenSource(
-			&oauth2.Token{AccessToken: token},
-		)
-		tc = oauth2.NewClient(context.Background(), ts)
+		ts = oauth2.StaticTokenSource(&oauth2.Token{AccessToken: token})
 	}
+	tc := oauth2.NewClient(context.Background(), ts)
 	tc.Timeout = time.Second * 10
 	clt := github.NewClient(tc)
 	// TODO add error handling
diff --git a/pkg/apiserver/rest/webservice/addon_registry.go b/pkg/apiserver/rest/webservice/addon_registry.go
index d6d0eab3b..209110f1b 100644
--- a/pkg/apiserver/rest/webservice/addon_registry.go
+++ b/pkg/apiserver/rest/webservice/addon_registry.go
@@ -108,6 +108,11 @@ func (s *addonRegistryWebService) deleteAddonRegistry(req *restful.Request, res
 		bcode.ReturnError(req, res, err)
 		return
 	}
+	err = s.addonUsecase.DeleteAddonRegistry(req.Request.Context(), r.Name)
+	if err != nil {
+		bcode.ReturnError(req, res, err)
+		return
+	}
 
 	if err := res.WriteEntity(*utils.ConvertAddonRegistryModel2AddonRegistryMeta(r)); err != nil {
 		bcode.ReturnError(req, res, err)