diff --git a/pom.xml b/pom.xml
index df9cf8c..1baf20a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.ghostchu.peerbanhelper</groupId>
     <artifactId>BiglyBT-PBH-Plugin</artifactId>
-    <version>1.1</version>
+    <version>1.2</version>
 <!--    <packaging>takari-jar</packaging>-->
     <packaging>jar</packaging>
 
diff --git a/src/main/java/com/ghostchu/peerbanhelper/downloaderplug/biglybt/pif/message/LTHandshakePIF.java b/src/main/java/com/ghostchu/peerbanhelper/downloaderplug/biglybt/pif/message/LTHandshakePIF.java
deleted file mode 100644
index f44095c..0000000
--- a/src/main/java/com/ghostchu/peerbanhelper/downloaderplug/biglybt/pif/message/LTHandshakePIF.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.ghostchu.peerbanhelper.downloaderplug.biglybt.pif.message;
-
-import com.biglybt.core.peermanager.messaging.bittorrent.BTPiece;
-import com.biglybt.core.peermanager.messaging.bittorrent.ltep.LTHandshake;
-import com.biglybt.pif.messaging.Message;
-import com.biglybt.pifimpl.local.messaging.MessageAdapter;
-
-public class LTHandshakePIF extends MessageAdapter {
-    public LTHandshakePIF() {
-        super(new LTHandshake());
-    }
-    protected BTMessagePiece( com.biglybt.core.peermanager.messaging.Message core_msg ) {
-        super( core_msg );
-        piece = (BTPiece)core_msg;
-    }
-
-}