diff --git a/modules/backend/src/main/scala/eventsourcing/deprecated.scala b/modules/backend/src/main/scala/eventsourcing/deprecated.scala
deleted file mode 100644
index fbf0611f..00000000
--- a/modules/backend/src/main/scala/eventsourcing/deprecated.scala
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright 2021 Hossein Naderi
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package edomata.backend
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type Backend[F[_], S, E, R, N] = eventsourcing.Backend[F, S, E, R, N]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type CommandHandler[F[_], S, E, R, N] =
-  eventsourcing.CommandHandler[F, S, E, R, N]
-@deprecated("use edomata.backend.eventsourcing instead")
-val CommandHandler = eventsourcing.CommandHandler
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type JournalReader[F[_], E] = eventsourcing.JournalReader[F, E]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type Repository[F[_], S, E, R, N] = eventsourcing.Repository[F, S, E, R, N]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type RepositoryReader[F[_], S, E, R] =
-  eventsourcing.RepositoryReader[F, S, E, R]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-val RepositoryReader = eventsourcing.RepositoryReader
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type Storage[F[_], S, E, R, N] = eventsourcing.Storage[F, S, E, R, N]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type StorageDriver[F[_], Codec[_]] = eventsourcing.StorageDriver[F, Codec]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type AggregateState[S, E, R] = eventsourcing.AggregateState[S, E, R]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-val AggregateState = eventsourcing.AggregateState
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type CommandState[S, E, R] = eventsourcing.CommandState[S, E, R]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type NotificationsConsumer[F[_]] = eventsourcing.NotificationsConsumer[F]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type NotificationsPublisher[F[_]] = eventsourcing.NotificationsPublisher[F]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type Notifications[F[_]] = eventsourcing.Notifications[F]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type SnapshotReader[F[_], S] = eventsourcing.SnapshotReader[F, S]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type SnapshotStore[F[_], S] = eventsourcing.SnapshotStore[F, S]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type SnapshotPersistence[F[_], S] = eventsourcing.SnapshotPersistence[F, S]
-
-@deprecated("use edomata.backend.eventsourcing instead")
-val SnapshotStore = eventsourcing.SnapshotStore
-
-@deprecated("use edomata.backend.eventsourcing instead")
-type SnapshotItem[S] = eventsourcing.SnapshotItem[S]