diff --git a/etc/libs-incl.xml b/etc/libs-incl.xml
index 8c62d9632..660649f7b 100644
--- a/etc/libs-incl.xml
+++ b/etc/libs-incl.xml
@@ -11,7 +11,6 @@
     <include name="flexTasks.jar"/>
     <include name="guava.jar"/>
     <include name="guice.jar"/>
-    <include name="gwt-dev.jar"/>
     <include name="gwt-user.jar"/>
     <include name="gwt-utils.jar"/>
     <include name="javassist.jar"/>