diff --git a/build/build.xml b/build/build.xml
index b53a0c462..d6e00e2bd 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -327,7 +327,6 @@
   <target name="linux64-build" depends="linux-build" description="Build linux (64-bit) version">
     <copy tofile="linux/work/hardware/tools/avrdude" file="linux/dist/tools/avrdude64" overwrite="true" />
     <copy tofile="linux/work/lib/librxtxSerial.so" file="linux/dist/lib/librxtxSerial64.so" overwrite="true" />
-    <copy tofile="linux/work/lib/RXTXcomm.jar" file="../app/lib/RXTXcomm-2.2.jar" overwrite="true" />
   </target>
   
   <target name="linux-run" depends="linux-build" 
diff --git a/build/linux/dist/lib/librxtxSerial64.so b/build/linux/dist/lib/librxtxSerial64.so
index d7adf2d9c..853b87a22 100755
Binary files a/build/linux/dist/lib/librxtxSerial64.so and b/build/linux/dist/lib/librxtxSerial64.so differ