diff --git a/accessibility/inc/extended/AccessibleBrowseBoxTableBase.hxx b/accessibility/inc/extended/AccessibleBrowseBoxTableBase.hxx
index 422aa177ad48..da7643dd6d7c 100644
--- a/accessibility/inc/extended/AccessibleBrowseBoxTableBase.hxx
+++ b/accessibility/inc/extended/AccessibleBrowseBoxTableBase.hxx
@@ -27,16 +27,14 @@
 
 namespace accessibility {
 
-typedef ::cppu::ImplHelper1< css::accessibility::XAccessibleTable >
+typedef cppu::ImplInheritanceHelper<BrowseBoxAccessibleElement, css::accessibility::XAccessibleTable>
         AccessibleBrowseBoxTableImplHelper;
 
 /** The BrowseBox accessible table objects inherit from this base class. It
     implements basic functionality for the XAccessibleTable interface.
     BrowseBox table objects are: the data table, the column header bar and the
     row header bar. */
-class AccessibleBrowseBoxTableBase :
-    public BrowseBoxAccessibleElement,
-    public AccessibleBrowseBoxTableImplHelper
+class AccessibleBrowseBoxTableBase : public AccessibleBrowseBoxTableImplHelper
 {
 public:
     /** Constructor sets specified name and description. If the constant of a
@@ -121,25 +119,6 @@ public:
         -   getAccessibleCellAt,
         -   isAccessibleSelected. */
 
-    // XInterface
-
-    /** Queries for a new interface. */
-    css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
-
-    /** Acquires the object (calls acquire() on base class). */
-    virtual void SAL_CALL acquire() noexcept override;
-
-    /** Releases the object (calls release() on base class). */
-    virtual void SAL_CALL release() noexcept override;
-
-    // XTypeProvider
-
-    /** @return  a sequence of possible types (received from base classes). */
-    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
-
-    /** @return  a unique implementation ID. */
-    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
-
     // XServiceInfo
 
     /*  Derived classes have to implement:
diff --git a/accessibility/source/extended/AccessibleBrowseBoxTableBase.cxx b/accessibility/source/extended/AccessibleBrowseBoxTableBase.cxx
index 044a85958e98..bb213c348f3d 100644
--- a/accessibility/source/extended/AccessibleBrowseBoxTableBase.cxx
+++ b/accessibility/source/extended/AccessibleBrowseBoxTableBase.cxx
@@ -41,7 +41,7 @@ AccessibleBrowseBoxTableBase::AccessibleBrowseBoxTableBase(
         const Reference< XAccessible >& rxParent,
         vcl::IAccessibleTableProvider& rBrowseBox,
         AccessibleBrowseBoxObjType eObjType ) :
-    BrowseBoxAccessibleElement( rxParent, rBrowseBox,nullptr, eObjType )
+    AccessibleBrowseBoxTableImplHelper( rxParent, rBrowseBox, nullptr, eObjType )
 {
 }
 
@@ -132,39 +132,6 @@ sal_Int32 SAL_CALL AccessibleBrowseBoxTableBase::getAccessibleColumn( sal_Int64
     return implGetColumn( nChildIndex );
 }
 
-// XInterface -----------------------------------------------------------------
-
-Any SAL_CALL AccessibleBrowseBoxTableBase::queryInterface( const uno::Type& rType )
-{
-    Any aAny( BrowseBoxAccessibleElement::queryInterface( rType ) );
-    return aAny.hasValue() ?
-        aAny : AccessibleBrowseBoxTableImplHelper::queryInterface( rType );
-}
-
-void SAL_CALL AccessibleBrowseBoxTableBase::acquire() noexcept
-{
-    BrowseBoxAccessibleElement::acquire();
-}
-
-void SAL_CALL AccessibleBrowseBoxTableBase::release() noexcept
-{
-    BrowseBoxAccessibleElement::release();
-}
-
-// XTypeProvider --------------------------------------------------------------
-
-Sequence< uno::Type > SAL_CALL AccessibleBrowseBoxTableBase::getTypes()
-{
-    return ::comphelper::concatSequences(
-        BrowseBoxAccessibleElement::getTypes(),
-        AccessibleBrowseBoxTableImplHelper::getTypes() );
-}
-
-Sequence< sal_Int8 > SAL_CALL AccessibleBrowseBoxTableBase::getImplementationId()
-{
-    return css::uno::Sequence<sal_Int8>();
-}
-
 // internal virtual methods ---------------------------------------------------
 
 sal_Int32 AccessibleBrowseBoxTableBase::implGetRowCount() const