Removed folder 'src-gen' from project's build path.
diff --git a/com.google.eclipse.protobuf/.classpath b/com.google.eclipse.protobuf/.classpath
index ff72560..a376b7c 100644
--- a/com.google.eclipse.protobuf/.classpath
+++ b/com.google.eclipse.protobuf/.classpath
@@ -2,7 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="src-gen"/>
-	<classpathentry kind="src" path="xtend-gen"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="output" path="bin"/>