diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/TracingContext.java b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/TracingContext.java
index 61bc431f0..c6a8f9622 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/TracingContext.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/TracingContext.java
@@ -3,7 +3,6 @@ package org.skywalking.apm.agent.core.context;
 import java.util.LinkedList;
 import java.util.List;
 import org.skywalking.apm.agent.core.boot.ServiceManager;
-import org.skywalking.apm.agent.core.conf.RemoteDownstreamConfig;
 import org.skywalking.apm.agent.core.context.trace.AbstractSpan;
 import org.skywalking.apm.agent.core.context.trace.AbstractTracingSpan;
 import org.skywalking.apm.agent.core.context.trace.EntrySpan;