1 files changed, 2 insertions, 2 deletions
diff --git a/include/cppuhelper/typeprovider.hxx b/include/cppuhelper/typeprovider.hxx
index d1ff52dd4a3f..e90ea3c00236 100644
--- a/include/cppuhelper/typeprovider.hxx
+++ b/include/cppuhelper/typeprovider.hxx
@@ -34,7 +34,7 @@ namespace cppu
 /** Helper class to implement css::lang::XTypeProvider.  Construct a static object
     of this class with your UNO object's supported types.
 */
-class CPPUHELPER_DLLPUBLIC OTypeCollection
+class SAL_WARN_UNUSED CPPUHELPER_DLLPUBLIC OTypeCollection
 {
     css::uno::Sequence< css::uno::Type > _aTypes;
 
@@ -168,7 +168,7 @@ public:
 /** Helper class to implement IDs for XUnoTunnel.  Construct a static object
     of this class for your UNO object's implementation id.
 */
-class CPPUHELPER_DLLPUBLIC OImplementationId
+class SAL_WARN_UNUSED CPPUHELPER_DLLPUBLIC OImplementationId
 {
     mutable css::uno::Sequence< sal_Int8 > * _pSeq;
     sal_Bool _bUseEthernetAddress;