diff --git a/xmloff/inc/StyleMap.hxx b/xmloff/inc/StyleMap.hxx
index 5cea47b24159..796245f52fc7 100644
--- a/xmloff/inc/StyleMap.hxx
+++ b/xmloff/inc/StyleMap.hxx
@@ -19,7 +19,6 @@
 
 #pragma once
 
-#include <com/sun/star/lang/XUnoTunnel.hpp>
 #include <comphelper/servicehelper.hxx>
 #include <cppuhelper/implbase.hxx>
 #include <o3tl/hash_combine.hxx>
@@ -64,7 +63,7 @@ inline bool StyleNameHash_Impl::operator()(
 }
 
 class StyleMap final :
-    public ::cppu::WeakImplHelper< css::lang::XUnoTunnel>,
+    public ::cppu::WeakImplHelper<>,
     public std::unordered_map< StyleNameKey_Impl, OUString,
                             StyleNameHash_Impl, StyleNameHash_Impl >
 {
@@ -73,9 +72,6 @@ public:
 
     StyleMap();
     virtual ~StyleMap() override;
-
-    // XUnoTunnel
-    UNO3_GETIMPLEMENTATION_DECL(StyleMap)
 };
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmloff/source/core/xmlimp.cxx b/xmloff/source/core/xmlimp.cxx
index 4f33a1ab6607..6d166def862b 100644
--- a/xmloff/source/core/xmlimp.cxx
+++ b/xmloff/source/core/xmlimp.cxx
@@ -982,7 +982,7 @@ void SAL_CALL SvXMLImport::initialize( const uno::Sequence< uno::Any >& aArgumen
                     uno::Any aAny = mxImportInfo->getPropertyValue(sPropName);
                     aAny >>= xIfc;
 
-                    StyleMap *pSMap = comphelper::getFromUnoTunnel<StyleMap>( xIfc );
+                    StyleMap *pSMap = dynamic_cast<StyleMap*>( xIfc.get() );
                     if( pSMap )
                     {
                         mpStyleMap = pSMap;
@@ -1393,7 +1393,7 @@ void SvXMLImport::AddStyleDisplayName( XmlStyleFamily nFamily,
                 xPropertySetInfo->hasPropertyByName(sPrivateData) )
             {
                 Reference < XInterface > xIfc(
-                        static_cast< css::lang::XUnoTunnel *>( mpStyleMap.get() ) );
+                        static_cast< css::lang::XTypeProvider *>( mpStyleMap.get() ) );
                 mxImportInfo->setPropertyValue( sPrivateData, Any(xIfc) );
             }
         }
diff --git a/xmloff/source/style/StyleMap.cxx b/xmloff/source/style/StyleMap.cxx
index 1d52ea112374..cb7acfb33d53 100644
--- a/xmloff/source/style/StyleMap.cxx
+++ b/xmloff/source/style/StyleMap.cxx
@@ -26,7 +26,4 @@ StyleMap::StyleMap() {}
 
 StyleMap::~StyleMap() {}
 
-// XUnoTunnel & co
-UNO3_GETIMPLEMENTATION_IMPL(StyleMap);
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */