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>