diff --git a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/AuthorizationGroupBOTest.java b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/AuthorizationGroupBOTest.java
index d0464a4e7633f8d5859c2926a32e65b82e2f843e..8edf0c1898b1a0eb799c6036dce7516eeb929ac4 100644
--- a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/AuthorizationGroupBOTest.java
+++ b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/AuthorizationGroupBOTest.java
@@ -38,7 +38,7 @@ import ch.systemsx.cisd.openbis.generic.shared.dto.DatabaseInstancePE;
 @Friend(toClasses = AuthorizationGroupBO.class)
 public final class AuthorizationGroupBOTest extends AbstractBOTest
 {
-    IAuthorizationGroupFactory groupFactory;
+    private IAuthorizationGroupFactory groupFactory;
 
     @Override
     @BeforeMethod
diff --git a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/MaterialDAOTest.java b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/MaterialDAOTest.java
index c9139352373e63ec8756fb6e19360dc9f57e0c08..a2a6839de8627781f78c285aecb1b00d20029df1 100644
--- a/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/MaterialDAOTest.java
+++ b/openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/MaterialDAOTest.java
@@ -54,7 +54,7 @@ public final class MaterialDAOTest extends AbstractDAOTest
 
     private static final String BRAND_NEW_BACTERIUM = "BRAND_NEW_BACTERIUM";
 
-    final int NUMBER_OF_BACTERIA = 4;
+    private final int NUMBER_OF_BACTERIA = 4;
 
     @Test
     public void testCreateMaterials() throws Exception