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 ee017edfe0171afafb86d54ece8748a25a8d44e9..34553fe68fbbffe6260f4d6f552a3358bf9c59cf 100644
--- a/common/sourceTest/java/ch/systemsx/cisd/common/utilities/AnnotationUtilsTest.java
+++ b/common/sourceTest/java/ch/systemsx/cisd/common/utilities/AnnotationUtilsTest.java
@@ -122,23 +122,17 @@ public final class AnnotationUtilsTest
     private static class A
     {
 
-        @SuppressWarnings("unused")
-        Object a;
+        protected Object a;
 
-        @SuppressWarnings("unused")
-        @Deprecated
-        Object b;
+        protected Object b;
 
-        @SuppressWarnings("unused")
         @BeanProperty
-        void setA(final Object a)
+        protected void setA(final Object a)
         {
             this.a = a;
         }
 
-        @SuppressWarnings("unused")
-        void doSomething(final Object c, final String d, @Deprecated
-        final Object e)
+        protected void doSomething(final Object c, final String d, @Deprecated final Object e)
         {
         }
     }
@@ -146,17 +140,13 @@ public final class AnnotationUtilsTest
     private final static class B extends A
     {
 
-        @SuppressWarnings("unused")
-        @Deprecated
-        Object c;
-
         //
         // A
         //
 
         @Override
         @BeanProperty
-        final void setA(final Object a)
+        protected final void setA(final Object a)
         {
             this.a = a;
         }