diff --git a/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/transfer/TransferHandler.java b/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/transfer/TransferHandler.java
index fffd156c9..aa7541468 100644
--- a/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/transfer/TransferHandler.java
+++ b/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/transfer/TransferHandler.java
@@ -1,6 +1,5 @@
 package io.ray.streaming.runtime.transfer;
 
-import io.ray.runtime.RayNativeRuntime;
 import io.ray.runtime.util.BinaryFileUtil;
 import io.ray.runtime.util.JniUtils;
 
diff --git a/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/util/EnvUtil.java b/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/util/EnvUtil.java
index c13e53c7f..6e14d45af 100644
--- a/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/util/EnvUtil.java
+++ b/streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/util/EnvUtil.java
@@ -1,6 +1,5 @@
 package io.ray.streaming.runtime.util;
 
-import io.ray.runtime.RayNativeRuntime;
 import io.ray.runtime.util.BinaryFileUtil;
 import io.ray.runtime.util.JniUtils;
 import java.lang.management.ManagementFactory;