diff --git a/src/main/java/org/traccar/BaseProtocol.java b/src/main/java/org/traccar/BaseProtocol.java
index dd397471d..e19314456 100644
--- a/src/main/java/org/traccar/BaseProtocol.java
+++ b/src/main/java/org/traccar/BaseProtocol.java
@@ -15,7 +15,6 @@
  */
 package org.traccar;
 
-import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.Channel;
 import io.netty.handler.codec.string.StringEncoder;