diff --git a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/support/ForkingClusterInvoker.java b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/support/ForkingClusterInvoker.java
index 9217ba21130..e48a63a5841 100644
--- a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/support/ForkingClusterInvoker.java
+++ b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/support/ForkingClusterInvoker.java
@@ -34,9 +34,7 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_TIMEOUT;
 import static org.apache.dubbo.common.constants.CommonConstants.FORKS_KEY;
-import static org.apache.dubbo.common.constants.CommonConstants.TIMEOUT_KEY;
 import static org.apache.dubbo.rpc.cluster.Constants.DEFAULT_FORKS;
 
 /**