diff --git a/internal/service/tasklist/service.go b/internal/service/tasklist/service.go
index 9bbeeb4ed9db27d5f10e4315c968b544dd371ae0..51140eef53041def68512d8d8e61946a118662c5 100644
--- a/internal/service/tasklist/service.go
+++ b/internal/service/tasklist/service.go
@@ -168,9 +168,7 @@ func createTasks(t *TaskList, templates map[string]*task.Task) ([]*task.Task, er
 func taskNamesFromTaskListTemplate(template *Template) []string {
 	var names []string
 	for _, group := range template.Groups {
-		for _, taskName := range group.Tasks {
-			names = append(names, taskName)
-		}
+		names = append(names, group.Tasks...)
 	}
 
 	return names
diff --git a/internal/storage/storage.go b/internal/storage/storage.go
index fb0f66acf9271f3a950f347017421a4038dde3e8..4a25cf649a8f7c96650d4d478de906cd531b6b72 100644
--- a/internal/storage/storage.go
+++ b/internal/storage/storage.go
@@ -21,7 +21,6 @@ const (
 	tasksHistory      = "tasksHistory"
 	taskListQueue     = "taskLists"
 	taskListTemplates = "taskListTemplates"
-	taskListHistory   = "taskListsHistory"
 )
 
 type Storage struct {
@@ -30,7 +29,6 @@ type Storage struct {
 	tasksHistory      *mongo.Collection
 	taskLists         *mongo.Collection
 	taskListTemplates *mongo.Collection
-	taskListsHistory  *mongo.Collection
 }
 
 func New(db *mongo.Client) *Storage {