diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/file/AttachmentFileUploadField.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/file/AttachmentFileUploadField.java
index 6e41aef4324e6d27c0916f3b4c15b316a18c9a7a..29ccc06a1f80d1dba68ff0445b878292c181c0bc 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/file/AttachmentFileUploadField.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/file/AttachmentFileUploadField.java
@@ -89,8 +89,6 @@ public class AttachmentFileUploadField extends FileUploadField
     private static final class AttachmentsFileSet extends FieldSet
     {
 
-        public static final String ID = "attachment_details_field_set";
-
         private final int labelWidth;
 
         private final int fieldWidth;
diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/translator/DtoConverters.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/translator/DtoConverters.java
index 45fecfb0dd25ea7d42c75a11ccc355dcbcb37487..ac66ef7f8046c71a00c83a8a47b86623a372da06 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/translator/DtoConverters.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/translator/DtoConverters.java
@@ -105,6 +105,7 @@ public class DtoConverters
         // BeanUtils.Converter
         //
 
+        @SuppressWarnings("unused")
         public final DataTypeCode convertToCode(final DataTypePE dataType)
         {
             return DataTypeCode.valueOf(dataType.getCode().name());
@@ -129,11 +130,13 @@ public class DtoConverters
         // BeanUtils.Converter
         //
 
+        @SuppressWarnings("unused")
         public final String convertToDescription(final VocabularyPE vocabulary)
         {
             return StringEscapeUtils.escapeHtml(vocabulary.getDescription());
         }
 
+        @SuppressWarnings("unused")
         public final List<VocabularyTerm> convertToTerms(final VocabularyPE vocabulary)
         {
             final Set<VocabularyTermPE> terms = vocabulary.getTerms();
diff --git a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/authorization/PredicateExecutorTest.java b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/authorization/PredicateExecutorTest.java
index b76d5fba5a3a369d1eacef1e40407bd64fefb5f1..e2260cbb4400c03c8fab40020f9c3412d96d6478 100644
--- a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/authorization/PredicateExecutorTest.java
+++ b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/authorization/PredicateExecutorTest.java
@@ -107,6 +107,7 @@ public final class PredicateExecutorTest extends AuthorizationTestCase
         return (Class<? extends IPredicate<String>>) stringPredicate.getClass();
     }
 
+    @SuppressWarnings("unchecked")
     @Test
     public final void testEvaluateWithSimpleObject()
     {
@@ -130,6 +131,7 @@ public final class PredicateExecutorTest extends AuthorizationTestCase
         context.assertIsSatisfied();
     }
 
+    @SuppressWarnings("unchecked")
     @Test
     public final void testEvaluateWithArray()
     {
@@ -156,6 +158,7 @@ public final class PredicateExecutorTest extends AuthorizationTestCase
         context.assertIsSatisfied();
     }
 
+    @SuppressWarnings("unchecked")
     @Test
     public final void testEvaluateWithCollection()
     {