bug 466795 disallow unused warning to be reported as error
diff --git a/wtp-parent/pom.xml b/wtp-parent/pom.xml
index 6f52377..c486a28 100644
--- a/wtp-parent/pom.xml
+++ b/wtp-parent/pom.xml
@@ -236,7 +236,10 @@
           <artifactId>tycho-compiler-plugin</artifactId>

           <version>${tycho.version}</version>

           <configuration>

-            <compilerArgument>-warn:+discouraged,forbidden</compilerArgument>

+          	<compilerArgs>

+              <args>-warn:+discouraged,forbidden</args>

+              <args>-error:-unused</args>

+            </compilerArgs>

           </configuration>

         </plugin>

         <plugin>