diff --git a/domain/src/main/java/org/mercury_im/messenger/DataStore.java b/domain/src/main/java/org/mercury_im/messenger/DataStore.java
deleted file mode 100644
index 9a1bd6f..0000000
--- a/domain/src/main/java/org/mercury_im/messenger/DataStore.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package org.mercury_im.messenger;
-
-import org.mercury_im.messenger.data.repository.PeerRepository;
-import org.mercury_im.messenger.entity.Account;
-import org.mercury_im.messenger.entity.contact.Peer;
-
-import javax.inject.Inject;
-
-public class DataStore {
-
-    @Inject
-    PeerRepository peerRepository;
-
-    @Inject
-    public DataStore() {
-
-    }
-
-    public Peer getPeer(Account account, String address) {
-        return null;
-    }
-}