diff --git a/pkg/items/middleware/caching_middleware_test.go b/pkg/items/middleware/caching_middleware_test.go
index ce8bd3d30ceb76853f5a1e64433d5d4107697693..b7ea569db094e7905b6aae2ce8bebfb381849f95 100644
--- a/pkg/items/middleware/caching_middleware_test.go
+++ b/pkg/items/middleware/caching_middleware_test.go
@@ -11,8 +11,6 @@ import (
 	"git.perx.ru/perxis/perxis-go/pkg/errors"
 	"git.perx.ru/perxis/perxis-go/pkg/items"
 	itmsmocks "git.perx.ru/perxis/perxis-go/pkg/items/mocks"
-	"git.perx.ru/perxis/perxis-go/pkg/metrics"
-	"github.com/prometheus/client_golang/prometheus"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
@@ -34,13 +32,12 @@ func TestItemsCache(t *testing.T) {
 	errNotFound := errors.NotFound(errors.New("not found"))
 
 	ctx := context.Background()
-	cacheMetrics := metrics.NewCacheMetrics(prometheus.DefaultRegisterer)
 
 	t.Run("Get from cache", func(t *testing.T) {
 		itms := &itmsmocks.Items{}
 		env := &envmocks.Environments{}
 
-		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 		env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 		itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -64,7 +61,7 @@ func TestItemsCache(t *testing.T) {
 		itms := &itmsmocks.Items{}
 		env := &envmocks.Environments{}
 
-		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 		env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 		itms.On("Get", mock.Anything, spaceID, envAlias, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -88,7 +85,7 @@ func TestItemsCache(t *testing.T) {
 		itms := &itmsmocks.Items{}
 		env := &envmocks.Environments{}
 
-		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 		env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 		itms.On("GetPublished", mock.Anything, spaceID, envID, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -112,7 +109,7 @@ func TestItemsCache(t *testing.T) {
 		itms := &itmsmocks.Items{}
 		env := &envmocks.Environments{}
 
-		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 		env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 		itms.On("GetPublished", mock.Anything, spaceID, envAlias, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -141,7 +138,7 @@ func TestItemsCache(t *testing.T) {
 		itms := &itmsmocks.Items{}
 		env := &envmocks.Environments{}
 
-		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+		svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 		env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Twice()
 		itms.On("GetPublished", mock.Anything, spaceID, envAlias, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -179,7 +176,7 @@ func TestItemsCache(t *testing.T) {
 			env := &envmocks.Environments{}
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, Data: map[string]interface{}{"f1": "d1"}}, nil).Once()
 
@@ -211,7 +208,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -244,7 +241,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -276,7 +273,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StatePublished}, nil).Once()
@@ -316,7 +313,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StatePublished}, nil).Once()
@@ -349,7 +346,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -382,7 +379,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, Data: map[string]interface{}{"f1": "d1"}}, nil).Once()
@@ -415,7 +412,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StatePublished}, nil).Once()
@@ -448,7 +445,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("GetPublished", mock.Anything, spaceID, envID, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StatePublished, Data: map[string]interface{}{"f1": "d1"}}, nil).Once()
@@ -489,7 +486,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("GetPublished", mock.Anything, spaceID, envID, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()
@@ -530,7 +527,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("GetPublished", mock.Anything, spaceID, envID, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StatePublished}, nil).Once()
@@ -571,7 +568,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("GetPublished", mock.Anything, spaceID, envID, colID, itemID, mock.Anything).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StatePublished}, nil).Once()
@@ -612,7 +609,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
@@ -660,7 +657,7 @@ func TestItemsCache(t *testing.T) {
 			itms := &itmsmocks.Items{}
 			env := &envmocks.Environments{}
 
-			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), cacheMetrics, env)(itms)
+			svc := CachingMiddleware(cache.NewCache(size, ttl), cache.NewCache(size, ttl), env)(itms)
 
 			env.On("Get", mock.Anything, spaceID, envID).Return(&environments.Environment{ID: envID, SpaceID: spaceID, Aliases: []string{envAlias}}, nil).Once()
 			itms.On("Get", mock.Anything, spaceID, envID, colID, itemID).Return(&items.Item{ID: itemID, SpaceID: spaceID, EnvID: envID, CollectionID: colID, State: items.StateDraft}, nil).Once()