diff --git a/client/src/main/java/io/streamnative/oxia/client/grpc/WriteStreamKey.java b/client/src/main/java/io/streamnative/oxia/client/grpc/WriteStreamKey.java
deleted file mode 100644
index 4bf69f1f..00000000
--- a/client/src/main/java/io/streamnative/oxia/client/grpc/WriteStreamKey.java
+++ /dev/null
@@ -1,3 +0,0 @@
-package io.streamnative.oxia.client.grpc;
-
-public record WriteStreamKey(long shard, int mod) {}