diff --git a/common/sourceTest/java/ch/systemsx/cisd/common/utilities/AnnotationUtilsTest.java b/common/sourceTest/java/ch/systemsx/cisd/common/utilities/AnnotationUtilsTest.java
index 410054c6aadb5692e3d6a21ab3e19fe4c766ceec..ee017edfe0171afafb86d54ece8748a25a8d44e9 100644
--- a/common/sourceTest/java/ch/systemsx/cisd/common/utilities/AnnotationUtilsTest.java
+++ b/common/sourceTest/java/ch/systemsx/cisd/common/utilities/AnnotationUtilsTest.java
@@ -122,17 +122,21 @@ public final class AnnotationUtilsTest
     private static class A
     {
 
+        @SuppressWarnings("unused")
         Object a;
 
+        @SuppressWarnings("unused")
         @Deprecated
         Object b;
 
+        @SuppressWarnings("unused")
         @BeanProperty
         void setA(final Object a)
         {
             this.a = a;
         }
 
+        @SuppressWarnings("unused")
         void doSomething(final Object c, final String d, @Deprecated
         final Object e)
         {
@@ -142,6 +146,7 @@ public final class AnnotationUtilsTest
     private final static class B extends A
     {
 
+        @SuppressWarnings("unused")
         @Deprecated
         Object c;