loplugin:casttovoid: sd

Change-Id: I5b83c826da2613e537025f2c849a80468c7d8504

45 files changed, 111 insertions, 258 deletions

diff --git a/sd/qa/unit/import-tests.cxx b/sd/qa/unit/import-tests.cxx
index 6f75439da31e..62f2b98f2d88 100644
--- a/sd/qa/unit/import-tests.cxx
+++ b/sd/qa/unit/import-tests.cxx
@@ -309,15 +309,6 @@ void SdImportTest::testSmoketest()
     const SdrPage *pPage = pDoc->GetPage (1);
     CPPUNIT_ASSERT_MESSAGE( "no page", pPage != nullptr );
 
-    const size_t nObjs = pPage->GetObjCount();
-    for (size_t i = 0; i < nObjs; i++)
-    {
-        SdrObject *pObj = pPage->GetObj(i);
-        SdrObjKind eKind = (SdrObjKind) pObj->GetObjIdentifier();
-        SdrTextObj *pTxt = dynamic_cast<SdrTextObj *>( pObj );
-        (void)pTxt; (void)eKind;
-    }
-
     CPPUNIT_ASSERT_MESSAGE( "changed", !pDoc->IsChanged() );
 
     xDocShRef->DoClose();
diff --git a/sd/source/core/sdpage2.cxx b/sd/source/core/sdpage2.cxx
index bf66a0b57338..ca65178faad5 100644
--- a/sd/source/core/sdpage2.cxx
+++ b/sd/source/core/sdpage2.cxx
@@ -436,7 +436,6 @@ SdrPage* SdPage::Clone() const
 SdrPage* SdPage::Clone(SdrModel* pNewModel) const
 {
     DBG_ASSERT( pNewModel == nullptr, "sd::SdPage::Clone(), new page ignored, please check code! CL" );
-    (void)pNewModel;
 
     SdPage* pNewPage = new SdPage(*this);
     pNewPage->lateInit( *this );
diff --git a/sd/source/core/stlpool.cxx b/sd/source/core/stlpool.cxx
index 6cbbe54b5d2e..fc6fdaa297b2 100644
--- a/sd/source/core/stlpool.cxx
+++ b/sd/source/core/stlpool.cxx
@@ -182,7 +182,6 @@ void SdStyleSheetPool::CreateLayoutStyleSheets(const OUString& rLayoutName, bool
 {
     const sal_uInt16 nUsedMask = SFXSTYLEBIT_ALL & ~SFXSTYLEBIT_USERDEF;
 
-    (void)bCheck;
     bool bCreated = false;
 
     SfxStyleSheetBase* pSheet = nullptr;
diff --git a/sd/source/ui/animations/CustomAnimationPane.cxx b/sd/source/ui/animations/CustomAnimationPane.cxx
index c3ccb5ee1dd8..2927fb9428bd 100644
--- a/sd/source/ui/animations/CustomAnimationPane.cxx
+++ b/sd/source/ui/animations/CustomAnimationPane.cxx
@@ -900,9 +900,8 @@ void CustomAnimationPane::onContextMenu(const OString &rIdent)
     updateControls();
 }
 
-void CustomAnimationPane::DataChanged (const DataChangedEvent& rEvent)
+void CustomAnimationPane::DataChanged (const DataChangedEvent&)
 {
-    (void)rEvent;
     UpdateLook();
 }
 
diff --git a/sd/source/ui/animations/SlideTransitionPane.cxx b/sd/source/ui/animations/SlideTransitionPane.cxx
index c6aef5197813..b1d803a53078 100644
--- a/sd/source/ui/animations/SlideTransitionPane.cxx
+++ b/sd/source/ui/animations/SlideTransitionPane.cxx
@@ -528,9 +528,8 @@ void SlideTransitionPane::dispose()
     PanelLayout::dispose();
 }
 
-void SlideTransitionPane::DataChanged (const DataChangedEvent& rEvent)
+void SlideTransitionPane::DataChanged (const DataChangedEvent&)
 {
-    (void)rEvent;
     UpdateLook();
 }
 
diff --git a/sd/source/ui/app/optsitem.cxx b/sd/source/ui/app/optsitem.cxx
index f23f1fbc6059..95145459fb67 100644
--- a/sd/source/ui/app/optsitem.cxx
+++ b/sd/source/ui/app/optsitem.cxx
@@ -42,7 +42,6 @@ template< class T > T getSafeValue( const Any& rAny )
     bool bOk = (rAny >>= value);
 
     DBG_ASSERT( bOk, "SdOptionsItem, wrong type from configuration!" );
-    (void)bOk;
 
     return value;
 }
diff --git a/sd/source/ui/controller/slidelayoutcontroller.cxx b/sd/source/ui/controller/slidelayoutcontroller.cxx
index a65db66226ac..b0fa04755aa9 100644
--- a/sd/source/ui/controller/slidelayoutcontroller.cxx
+++ b/sd/source/ui/controller/slidelayoutcontroller.cxx
@@ -165,9 +165,8 @@ LayoutToolbarMenu::LayoutToolbarMenu( SlideLayoutController& rController, vcl::W
         Reference< XPropertySet > xControllerSet( xFrame->getController(), UNO_QUERY_THROW );
         xControllerSet->getPropertyValue( "DrawViewMode" ) >>= eMode;
     }
-    catch( Exception& e )
+    catch( Exception& )
     {
-        (void)e;
         OSL_ASSERT(false);
     }
 
diff --git a/sd/source/ui/dlg/RemoteDialogClientBox.cxx b/sd/source/ui/dlg/RemoteDialogClientBox.cxx
index fa97922690b9..8b3d06dcd829 100644
--- a/sd/source/ui/dlg/RemoteDialogClientBox.cxx
+++ b/sd/source/ui/dlg/RemoteDialogClientBox.cxx
@@ -50,10 +50,8 @@ ClientBoxEntry::ClientBoxEntry(const std::shared_ptr<ClientInfo>& pClientInfo)
 ClientBoxEntry::~ClientBoxEntry()
 {}
 
-void ClientRemovedListener::disposing( lang::EventObject const & rEvt )
-{
-    (void) rEvt;
-}
+void ClientRemovedListener::disposing( lang::EventObject const & )
+{}
 
 ClientRemovedListener::~ClientRemovedListener()
 {
diff --git a/sd/source/ui/dlg/sdtreelb.cxx b/sd/source/ui/dlg/sdtreelb.cxx
index 3bb125de459e..147073b4ed02 100644
--- a/sd/source/ui/dlg/sdtreelb.cxx
+++ b/sd/source/ui/dlg/sdtreelb.cxx
@@ -1101,11 +1101,8 @@ void SdPageObjsTLB::KeyInput( const KeyEvent& rKEvt )
 /**
  * StartDrag-Request
  */
-void SdPageObjsTLB::StartDrag( sal_Int8 nAction, const Point& rPosPixel)
+void SdPageObjsTLB::StartDrag( sal_Int8, const Point& rPosPixel)
 {
-    (void)nAction;
-    (void)rPosPixel;
-
     SdNavigatorWin* pNavWin = nullptr;
     SvTreeListEntry* pEntry = GetEntry(rPosPixel);
 
diff --git a/sd/source/ui/framework/configuration/Configuration.cxx b/sd/source/ui/framework/configuration/Configuration.cxx
index 593742e1deed..5c1b2b0af95e 100644
--- a/sd/source/ui/framework/configuration/Configuration.cxx
+++ b/sd/source/ui/framework/configuration/Configuration.cxx
@@ -215,9 +215,9 @@ OUString SAL_CALL Configuration::getName()
     return aString;
 }
 
-void SAL_CALL Configuration::setName (const OUString& rsName)
+void SAL_CALL Configuration::setName (const OUString&)
 {
-    (void)rsName; // rsName is ignored.
+    // ignored.
 }
 
 OUString Configuration::getImplementationName()
diff --git a/sd/source/ui/framework/configuration/ConfigurationControllerResourceManager.cxx b/sd/source/ui/framework/configuration/ConfigurationControllerResourceManager.cxx
index de2d7386fa45..81f102275791 100644
--- a/sd/source/ui/framework/configuration/ConfigurationControllerResourceManager.cxx
+++ b/sd/source/ui/framework/configuration/ConfigurationControllerResourceManager.cxx
@@ -134,10 +134,7 @@ void ConfigurationControllerResourceManager::ActivateResource (
             // of registered factories.
             mpResourceFactoryContainer->RemoveFactoryForReference(xFactory);
         }
-        catch (Exception& e)
-        {
-            (void)e;
-        }
+        catch (Exception&) {}
 
         if (xResource.is())
         {
diff --git a/sd/source/ui/framework/configuration/GenericConfigurationChangeRequest.cxx b/sd/source/ui/framework/configuration/GenericConfigurationChangeRequest.cxx
index 770b6c414db9..96bc91536a0a 100644
--- a/sd/source/ui/framework/configuration/GenericConfigurationChangeRequest.cxx
+++ b/sd/source/ui/framework/configuration/GenericConfigurationChangeRequest.cxx
@@ -67,9 +67,8 @@ OUString SAL_CALL GenericConfigurationChangeRequest::getName()
         + FrameworkHelper::ResourceIdToString(mxResourceId);
 }
 
-void SAL_CALL GenericConfigurationChangeRequest::setName (const OUString& rsName)
+void SAL_CALL GenericConfigurationChangeRequest::setName (const OUString&)
 {
-    (void)rsName;
     // Ignored.
 }
 
diff --git a/sd/source/ui/framework/configuration/UpdateRequest.cxx b/sd/source/ui/framework/configuration/UpdateRequest.cxx
index fdbb7ca24909..40d6e822e044 100644
--- a/sd/source/ui/framework/configuration/UpdateRequest.cxx
+++ b/sd/source/ui/framework/configuration/UpdateRequest.cxx
@@ -37,9 +37,8 @@ UpdateRequest::~UpdateRequest() throw()
 {
 }
 
-void SAL_CALL UpdateRequest::execute (const Reference<XConfiguration>& rxConfiguration)
+void SAL_CALL UpdateRequest::execute (const Reference<XConfiguration>&)
 {
-    (void)rxConfiguration;
     // Do nothing here.  The configuration is updated when the request queue
     // becomes empty.
 }
@@ -49,9 +48,8 @@ OUString SAL_CALL UpdateRequest::getName()
     return OUString("UpdateRequest");
 }
 
-void SAL_CALL UpdateRequest::setName (const OUString& rsName)
+void SAL_CALL UpdateRequest::setName (const OUString&)
 {
-    (void)rsName;
     // Ignored.
 }
 
diff --git a/sd/source/ui/framework/factories/BasicToolBarFactory.cxx b/sd/source/ui/framework/factories/BasicToolBarFactory.cxx
index e3f183b0729f..3dd122c4154d 100644
--- a/sd/source/ui/framework/factories/BasicToolBarFactory.cxx
+++ b/sd/source/ui/framework/factories/BasicToolBarFactory.cxx
@@ -36,13 +36,11 @@ namespace sd { namespace framework {
 
 //===== BasicToolBarFactory ===================================================
 
-BasicToolBarFactory::BasicToolBarFactory (
-    const Reference<XComponentContext>& rxContext)
+BasicToolBarFactory::BasicToolBarFactory ()
     : BasicToolBarFactoryInterfaceBase(m_aMutex),
       mxConfigurationController(),
       mxController()
 {
-    (void)rxContext;
 }
 
 BasicToolBarFactory::~BasicToolBarFactory()
@@ -160,10 +158,10 @@ void BasicToolBarFactory::ThrowIfDisposed() const
 } } // end of namespace sd::framework
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
-com_sun_star_comp_Draw_framework_BasicToolBarFactory_get_implementation(css::uno::XComponentContext* context,
+com_sun_star_comp_Draw_framework_BasicToolBarFactory_get_implementation(css::uno::XComponentContext*,
                                                                         css::uno::Sequence<css::uno::Any> const &)
 {
-    return cppu::acquire(new sd::framework::BasicToolBarFactory(context));
+    return cppu::acquire(new sd::framework::BasicToolBarFactory);
 }
 
 
diff --git a/sd/source/ui/framework/factories/BasicToolBarFactory.hxx b/sd/source/ui/framework/factories/BasicToolBarFactory.hxx
index bdfecae20875..6a188c7592eb 100644
--- a/sd/source/ui/framework/factories/BasicToolBarFactory.hxx
+++ b/sd/source/ui/framework/factories/BasicToolBarFactory.hxx
@@ -23,7 +23,6 @@
 #include "MutexOwner.hxx"
 
 #include <com/sun/star/lang/XInitialization.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
 #include <com/sun/star/drawing/framework/XResourceFactory.hpp>
 #include <com/sun/star/drawing/framework/XConfigurationController.hpp>
 #include <com/sun/star/drawing/framework/XResourceId.hpp>
@@ -51,8 +50,7 @@ class BasicToolBarFactory
       public BasicToolBarFactoryInterfaceBase
 {
 public:
-    explicit BasicToolBarFactory (
-        const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    BasicToolBarFactory ();
     virtual ~BasicToolBarFactory() override;
 
     virtual void SAL_CALL disposing() override;
diff --git a/sd/source/ui/framework/factories/BasicViewFactory.cxx b/sd/source/ui/framework/factories/BasicViewFactory.cxx
index 0eacf4f15a79..9eb50d7b5818 100644
--- a/sd/source/ui/framework/factories/BasicViewFactory.cxx
+++ b/sd/source/ui/framework/factories/BasicViewFactory.cxx
@@ -83,8 +83,7 @@ public:
 
 //===== ViewFactory ===========================================================
 
-BasicViewFactory::BasicViewFactory (
-    const Reference<XComponentContext>& rxContext)
+BasicViewFactory::BasicViewFactory ()
     : BasicViewFactoryInterfaceBase(MutexOwner::maMutex),
       mxConfigurationController(),
       mpViewShellContainer(new ViewShellContainer()),
@@ -94,7 +93,6 @@ BasicViewFactory::BasicViewFactory (
       mpViewCache(new ViewCache()),
       mxLocalPane(new Pane(Reference<XResourceId>(), mpWindow.get()))
 {
-    (void)rxContext;
 }
 
 BasicViewFactory::~BasicViewFactory()
@@ -529,10 +527,10 @@ void BasicViewFactory::ActivateCenterView (
 
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
-com_sun_star_comp_Draw_framework_BasicViewFactory_get_implementation(css::uno::XComponentContext* context,
+com_sun_star_comp_Draw_framework_BasicViewFactory_get_implementation(css::uno::XComponentContext*,
                                                                      css::uno::Sequence<css::uno::Any> const &)
 {
-    return cppu::acquire(new sd::framework::BasicViewFactory(context));
+    return cppu::acquire(new sd::framework::BasicViewFactory);
 }
 
 
diff --git a/sd/source/ui/framework/factories/BasicViewFactory.hxx b/sd/source/ui/framework/factories/BasicViewFactory.hxx
index b822360c9307..ed0cd6f287c3 100644
--- a/sd/source/ui/framework/factories/BasicViewFactory.hxx
+++ b/sd/source/ui/framework/factories/BasicViewFactory.hxx
@@ -26,7 +26,6 @@
 #include <com/sun/star/drawing/framework/XConfigurationController.hpp>
 #include <com/sun/star/drawing/framework/XPane.hpp>
 #include <com/sun/star/lang/XInitialization.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
 
 #include <cppuhelper/compbase.hxx>
 
@@ -65,8 +64,7 @@ class BasicViewFactory
       public BasicViewFactoryInterfaceBase
 {
 public:
-    explicit BasicViewFactory (
-        const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    BasicViewFactory ();
     virtual ~BasicViewFactory() override;
 
     virtual void SAL_CALL disposing() override;
diff --git a/sd/source/ui/framework/factories/PresentationFactory.cxx b/sd/source/ui/framework/factories/PresentationFactory.cxx
index 8bd2523c8f12..8a5dbf4e128c 100644
--- a/sd/source/ui/framework/factories/PresentationFactory.cxx
+++ b/sd/source/ui/framework/factories/PresentationFactory.cxx
@@ -45,7 +45,7 @@ class PresentationFactoryProvider
       public PresentationFactoryProviderInterfaceBase
 {
 public:
-    explicit PresentationFactoryProvider (const Reference<XComponentContext>& rxContext);
+    PresentationFactoryProvider ();
 
     virtual void SAL_CALL disposing() override;
 
@@ -128,10 +128,9 @@ Reference<XResource> SAL_CALL PresentationFactory::createResource (
 }
 
 void SAL_CALL PresentationFactory::releaseResource (
-    const Reference<XResource>& rxView)
+    const Reference<XResource>&)
 {
     ThrowIfDisposed();
-    (void)rxView;
 
     Reference<lang::XUnoTunnel> xTunnel (mxController, UNO_QUERY);
     if (xTunnel.is())
@@ -150,18 +149,14 @@ void SAL_CALL PresentationFactory::releaseResource (
 //===== XConfigurationChangeListener ==========================================
 
 void SAL_CALL PresentationFactory::notifyConfigurationChange (
-    const ConfigurationChangeEvent& rEvent)
-{
-    (void)rEvent;
-}
+    const ConfigurationChangeEvent&)
+{}
 
 //===== lang::XEventListener ==================================================
 
 void SAL_CALL PresentationFactory::disposing (
-    const lang::EventObject& rEventObject)
-{
-    (void)rEventObject;
-}
+    const lang::EventObject&)
+{}
 
 void PresentationFactory::ThrowIfDisposed() const
 {
@@ -176,11 +171,9 @@ namespace {
 
 //===== PresentationFactoryProvider ===========================================
 
-PresentationFactoryProvider::PresentationFactoryProvider (
-    const Reference<XComponentContext>& rxContext)
+PresentationFactoryProvider::PresentationFactoryProvider ()
     : PresentationFactoryProviderInterfaceBase(maMutex)
 {
-    (void)rxContext;
 }
 
 void PresentationFactoryProvider::disposing()
@@ -218,10 +211,10 @@ void SAL_CALL PresentationFactoryProvider::initialize(
 
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
-com_sun_star_comp_Draw_framework_PresentationFactoryProvider_get_implementation(css::uno::XComponentContext* context,
+com_sun_star_comp_Draw_framework_PresentationFactoryProvider_get_implementation(css::uno::XComponentContext*,
                                                                     css::uno::Sequence<css::uno::Any> const &)
 {
-    return cppu::acquire(new sd::framework::PresentationFactoryProvider(context));
+    return cppu::acquire(new sd::framework::PresentationFactoryProvider);
 }
 
 
diff --git a/sd/source/ui/framework/factories/ViewShellWrapper.cxx b/sd/source/ui/framework/factories/ViewShellWrapper.cxx
index 3d5f0bffc647..d37528807b37 100644
--- a/sd/source/ui/framework/factories/ViewShellWrapper.cxx
+++ b/sd/source/ui/framework/factories/ViewShellWrapper.cxx
@@ -244,31 +244,23 @@ sal_Int64 SAL_CALL ViewShellWrapper::getSomething (const Sequence<sal_Int8>& rId
 
 //===== awt::XWindowListener ==================================================
 
-void SAL_CALL ViewShellWrapper::windowResized (const awt::WindowEvent& rEvent)
+void SAL_CALL ViewShellWrapper::windowResized (const awt::WindowEvent&)
 {
-    (void)rEvent;
     ViewShell* pViewShell (mpViewShell.get());
     if (pViewShell != nullptr)
         pViewShell->Resize();
 }
 
-void SAL_CALL ViewShellWrapper::windowMoved (const awt::WindowEvent& rEvent)
-{
-    (void)rEvent;
-}
+void SAL_CALL ViewShellWrapper::windowMoved (const awt::WindowEvent&) {}
 
-void SAL_CALL ViewShellWrapper::windowShown (const lang::EventObject& rEvent)
+void SAL_CALL ViewShellWrapper::windowShown (const lang::EventObject&)
 {
-    (void)rEvent;
     ViewShell* pViewShell (mpViewShell.get());
     if (pViewShell != nullptr)
         pViewShell->Resize();
 }
 
-void SAL_CALL ViewShellWrapper::windowHidden (const lang::EventObject& rEvent)
-{
-    (void)rEvent;
-}
+void SAL_CALL ViewShellWrapper::windowHidden (const lang::EventObject&) {}
 
 //===== XEventListener ========================================================
 
diff --git a/sd/source/ui/framework/tools/FrameworkHelper.cxx b/sd/source/ui/framework/tools/FrameworkHelper.cxx
index a469dce9ec7d..e6924862dc99 100644
--- a/sd/source/ui/framework/tools/FrameworkHelper.cxx
+++ b/sd/source/ui/framework/tools/FrameworkHelper.cxx
@@ -952,16 +952,14 @@ void LifetimeController::disposing()
 {
 }
 
-void SAL_CALL LifetimeController::disposing (const lang::EventObject& rEvent)
+void SAL_CALL LifetimeController::disposing (const lang::EventObject&)
 {
-    (void)rEvent;
     mbListeningToController = false;
     Update();
 }
 
-void LifetimeController::Notify (SfxBroadcaster& rBroadcaster, const SfxHint& rHint)
+void LifetimeController::Notify (SfxBroadcaster&, const SfxHint& rHint)
 {
-    (void)rBroadcaster;
     if (rHint.GetId() == SfxHintId::Dying)
     {
         mbListeningToViewShellBase = false;
diff --git a/sd/source/ui/presenter/PresenterCanvas.cxx b/sd/source/ui/presenter/PresenterCanvas.cxx
index de271757144c..dc74ca43d4a4 100644
--- a/sd/source/ui/presenter/PresenterCanvas.cxx
+++ b/sd/source/ui/presenter/PresenterCanvas.cxx
@@ -433,30 +433,26 @@ void SAL_CALL PresenterCanvas::disposing (const css::lang::EventObject& rEvent)
 
 //----- XWindowListener -------------------------------------------------------
 
-void SAL_CALL PresenterCanvas::windowResized (const css::awt::WindowEvent& rEvent)
+void SAL_CALL PresenterCanvas::windowResized (const css::awt::WindowEvent&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
     mbOffsetUpdatePending = true;
 }
 
-void SAL_CALL PresenterCanvas::windowMoved (const css::awt::WindowEvent& rEvent)
+void SAL_CALL PresenterCanvas::windowMoved (const css::awt::WindowEvent&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
     mbOffsetUpdatePending = true;
 }
 
-void SAL_CALL PresenterCanvas::windowShown (const css::lang::EventObject& rEvent)
+void SAL_CALL PresenterCanvas::windowShown (const css::lang::EventObject&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
     mbOffsetUpdatePending = true;
 }
 
-void SAL_CALL PresenterCanvas::windowHidden (const css::lang::EventObject& rEvent)
+void SAL_CALL PresenterCanvas::windowHidden (const css::lang::EventObject&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
 }
 
@@ -485,12 +481,9 @@ sal_Bool SAL_CALL PresenterCanvas::hasAlpha()
 }
 
 Reference<rendering::XBitmap> SAL_CALL PresenterCanvas::getScaledBitmap(
-    const css::geometry::RealSize2D& rNewSize,
-    sal_Bool bFast)
+    const css::geometry::RealSize2D&,
+    sal_Bool)
 {
-    (void)rNewSize;
-    (void)bFast;
-
     ThrowIfDisposed();
 
     // Not implemented.
diff --git a/sd/source/ui/presenter/PresenterHelper.cxx b/sd/source/ui/presenter/PresenterHelper.cxx
index a909ea619a02..ce19b6a25825 100644
--- a/sd/source/ui/presenter/PresenterHelper.cxx
+++ b/sd/source/ui/presenter/PresenterHelper.cxx
@@ -58,10 +58,7 @@ PresenterHelper::~PresenterHelper()
 
 //----- XInitialize -----------------------------------------------------------
 
-void SAL_CALL PresenterHelper::initialize (const Sequence<Any>& rArguments)
-{
-    (void)rArguments;
-}
+void SAL_CALL PresenterHelper::initialize (const Sequence<Any>&) {}
 
 //----- XPaneHelper ----------------------------------------------------
 
@@ -139,11 +136,9 @@ Reference<rendering::XCanvas> SAL_CALL PresenterHelper::createSharedCanvas (
 
 Reference<rendering::XCanvas> SAL_CALL PresenterHelper::createCanvas (
     const Reference<awt::XWindow>& rxWindow,
-    sal_Int16 nRequestedCanvasFeatures,
+    sal_Int16,
     const OUString& rsOptionalCanvasServiceName)
 {
-    (void)nRequestedCanvasFeatures;
-
     // No shared window is given or an explicit canvas service name is
     // specified.  Create a new canvas.
     VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(rxWindow);
diff --git a/sd/source/ui/presenter/PresenterPreviewCache.cxx b/sd/source/ui/presenter/PresenterPreviewCache.cxx
index a55330d3865b..4aac2c77f7fd 100644
--- a/sd/source/ui/presenter/PresenterPreviewCache.cxx
+++ b/sd/source/ui/presenter/PresenterPreviewCache.cxx
@@ -71,13 +71,12 @@ private:
 
 //===== PresenterPreviewCache =================================================
 
-PresenterPreviewCache::PresenterPreviewCache (const Reference<XComponentContext>& rxContext)
+PresenterPreviewCache::PresenterPreviewCache ()
     : PresenterPreviewCacheInterfaceBase(m_aMutex),
       maPreviewSize(Size(200,200)),
       mpCacheContext(new PresenterCacheContext()),
       mpCache(new PageCache(maPreviewSize, Bitmap::HasFastScale(), mpCacheContext))
 {
-    (void)rxContext;
 }
 
 PresenterPreviewCache::~PresenterPreviewCache()
@@ -247,10 +246,8 @@ void PresenterPreviewCache::PresenterCacheContext::RemovePreviewCreationNotifyLi
 
 void PresenterPreviewCache::PresenterCacheContext::NotifyPreviewCreation (
     CacheKey aKey,
-    const Bitmap& rPreview)
+    const Bitmap&)
 {
-    (void)rPreview;
-
     if ( ! mxSlides.is())
         return;
     const sal_Int32 nCount(mxSlides->getCount());
@@ -362,10 +359,10 @@ void PresenterPreviewCache::PresenterCacheContext::CallListeners (
 
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
-com_sun_star_comp_Draw_PresenterPreviewCache_get_implementation(css::uno::XComponentContext* context,
+com_sun_star_comp_Draw_PresenterPreviewCache_get_implementation(css::uno::XComponentContext*,
                                                                 css::uno::Sequence<css::uno::Any> const &)
 {
-    return cppu::acquire(new sd::presenter::PresenterPreviewCache(context));
+    return cppu::acquire(new sd::presenter::PresenterPreviewCache);
 }
 
 
diff --git a/sd/source/ui/presenter/PresenterPreviewCache.hxx b/sd/source/ui/presenter/PresenterPreviewCache.hxx
index 9c611dc72744..a36581e22ff4 100644
--- a/sd/source/ui/presenter/PresenterPreviewCache.hxx
+++ b/sd/source/ui/presenter/PresenterPreviewCache.hxx
@@ -22,7 +22,6 @@
 
 #include <com/sun/star/drawing/XSlidePreviewCache.hpp>
 #include <com/sun/star/lang/XInitialization.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
 #include "cache/SlsPageCache.hxx"
 #include <cppuhelper/compbase.hxx>
 #include <cppuhelper/basemutex.hxx>
@@ -42,7 +41,7 @@ class PresenterPreviewCache
       public PresenterPreviewCacheInterfaceBase
 {
 public:
-    explicit PresenterPreviewCache (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    PresenterPreviewCache ();
     virtual ~PresenterPreviewCache() override;
     PresenterPreviewCache(const PresenterPreviewCache&) = delete;
     PresenterPreviewCache& operator=(const PresenterPreviewCache&) = delete;
diff --git a/sd/source/ui/presenter/PresenterTextView.cxx b/sd/source/ui/presenter/PresenterTextView.cxx
index 6b6673b1c96a..275718e1edcd 100644
--- a/sd/source/ui/presenter/PresenterTextView.cxx
+++ b/sd/source/ui/presenter/PresenterTextView.cxx
@@ -97,11 +97,10 @@ private:
 };
 
 // PresenterTextView
-PresenterTextView::PresenterTextView (const Reference<XComponentContext>& rxContext)
+PresenterTextView::PresenterTextView ()
     : PresenterTextViewInterfaceBase(),
       mpImplementation(new Implementation())
 {
-    (void)rxContext;
 }
 
 PresenterTextView::~PresenterTextView()
@@ -509,10 +508,10 @@ void PresenterTextView::Implementation::CheckTop()
 
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
-com_sun_star_comp_Draw_PresenterTextView_get_implementation(css::uno::XComponentContext* context,
+com_sun_star_comp_Draw_PresenterTextView_get_implementation(css::uno::XComponentContext*,
                                                             css::uno::Sequence<css::uno::Any> const &)
 {
-    return cppu::acquire(new sd::presenter::PresenterTextView(context));
+    return cppu::acquire(new sd::presenter::PresenterTextView);
 }
 
 
diff --git a/sd/source/ui/presenter/PresenterTextView.hxx b/sd/source/ui/presenter/PresenterTextView.hxx
index 1024eccb5eb1..3335aea5f759 100644
--- a/sd/source/ui/presenter/PresenterTextView.hxx
+++ b/sd/source/ui/presenter/PresenterTextView.hxx
@@ -27,10 +27,6 @@
 #include <cppuhelper/implbase.hxx>
 #include <memory>
 
-namespace com { namespace sun { namespace star { namespace uno {
-    class XComponentContext;
-} } } }
-
 namespace sd { namespace presenter {
 
 typedef ::cppu::ImplInheritanceHelper <
@@ -45,7 +41,7 @@ class PresenterTextView
     : public PresenterTextViewInterfaceBase
 {
 public:
-    explicit PresenterTextView (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    PresenterTextView ();
     virtual ~PresenterTextView() override;
     PresenterTextView(const PresenterTextView&) = delete;
     PresenterTextView& operator=(const PresenterTextView&) = delete;
diff --git a/sd/source/ui/presenter/SlideRenderer.cxx b/sd/source/ui/presenter/SlideRenderer.cxx
index f174db6809a5..a686e6f40ef1 100644
--- a/sd/source/ui/presenter/SlideRenderer.cxx
+++ b/sd/source/ui/presenter/SlideRenderer.cxx
@@ -33,11 +33,10 @@ namespace sd { namespace presenter {
 
 //===== SlideRenderer ==========================================================
 
-SlideRenderer::SlideRenderer (const Reference<XComponentContext>& rxContext)
+SlideRenderer::SlideRenderer ()
     : SlideRendererInterfaceBase(m_aMutex),
       maPreviewRenderer()
 {
-    (void)rxContext;
 }
 
 SlideRenderer::~SlideRenderer()
@@ -200,10 +199,10 @@ void SlideRenderer::ThrowIfDisposed()
 
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
-com_sun_star_comp_Draw_SlideRenderer_get_implementation(css::uno::XComponentContext* context,
+com_sun_star_comp_Draw_SlideRenderer_get_implementation(css::uno::XComponentContext*,
                                                         css::uno::Sequence<css::uno::Any> const &)
 {
-    return cppu::acquire(new sd::presenter::SlideRenderer(context));
+    return cppu::acquire(new sd::presenter::SlideRenderer);
 }
 
 
diff --git a/sd/source/ui/presenter/SlideRenderer.hxx b/sd/source/ui/presenter/SlideRenderer.hxx
index 5e0ad57d7dc2..e897cd4916ad 100644
--- a/sd/source/ui/presenter/SlideRenderer.hxx
+++ b/sd/source/ui/presenter/SlideRenderer.hxx
@@ -26,7 +26,6 @@
 #include <com/sun/star/lang/XInitialization.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
 
 #include <cppuhelper/basemutex.hxx>
 #include <cppuhelper/compbase.hxx>
@@ -46,7 +45,7 @@ class SlideRenderer
       public SlideRendererInterfaceBase
 {
 public:
-    explicit SlideRenderer (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    SlideRenderer ();
     virtual ~SlideRenderer() override;
     SlideRenderer(const SlideRenderer&) = delete;
     SlideRenderer& operator=(const SlideRenderer&) = delete;
diff --git a/sd/source/ui/remotecontrol/BluetoothServer.cxx b/sd/source/ui/remotecontrol/BluetoothServer.cxx
index 8f829934b216..148e4422fbed 100644
--- a/sd/source/ui/remotecontrol/BluetoothServer.cxx
+++ b/sd/source/ui/remotecontrol/BluetoothServer.cxx
@@ -877,11 +877,9 @@ registerWithDefaultAdapter( DBusConnection *pConnection )
 }
 
 void ProfileUnregisterFunction
-(DBusConnection *connection, void *user_data)
+(DBusConnection *, void *)
 {
     // We specifically don't need to do anything here.
-    (void) connection;
-    (void) user_data;
 }
 
 DBusHandlerResult ProfileMessageFunction
diff --git a/sd/source/ui/remotecontrol/Listener.cxx b/sd/source/ui/remotecontrol/Listener.cxx
index 115df7eeafd8..b6fd1d921705 100644
--- a/sd/source/ui/remotecontrol/Listener.cxx
+++ b/sd/source/ui/remotecontrol/Listener.cxx
@@ -61,23 +61,16 @@ void Listener::init( const css::uno::Reference< css::presentation::XSlideShowCon
 //----- XAnimationListener ----------------------------------------------------
 
 void SAL_CALL Listener::beginEvent(const css::uno::Reference<
-    css::animations::XAnimationNode >&  rNode )
-{
-    (void) rNode;
-}
+    css::animations::XAnimationNode >& )
+{}
 
 void SAL_CALL Listener::endEvent( const css::uno::Reference<
-    css::animations::XAnimationNode >& rNode )
-{
-    (void) rNode;
-}
+    css::animations::XAnimationNode >& )
+{}
 
 void SAL_CALL Listener::repeat( const css::uno::Reference<
-    css::animations::XAnimationNode >& rNode, ::sal_Int32 aRepeat )
-{
-    (void) rNode;
-    (void) aRepeat;
-}
+    css::animations::XAnimationNode >&, ::sal_Int32 )
+{}
 
 //----- XSlideShowListener ----------------------------------------------------
 
@@ -89,9 +82,8 @@ void SAL_CALL Listener::resumed()
 {
 }
 
-void SAL_CALL Listener::slideEnded (sal_Bool bReverse)
+void SAL_CALL Listener::slideEnded (sal_Bool)
 {
-    (void) bReverse;
 }
 
 void SAL_CALL Listener::hyperLinkClicked (const OUString &)
@@ -133,9 +125,8 @@ void SAL_CALL Listener::disposing()
 }
 
 void SAL_CALL Listener::disposing (
-    const css::lang::EventObject& rEvent)
+    const css::lang::EventObject&)
 {
-    (void) rEvent;
     dispose();
 }
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sd/source/ui/sidebar/MasterPageContainerProviders.cxx b/sd/source/ui/sidebar/MasterPageContainerProviders.cxx
index 64c84c27f339..8e22702dea90 100644
--- a/sd/source/ui/sidebar/MasterPageContainerProviders.cxx
+++ b/sd/source/ui/sidebar/MasterPageContainerProviders.cxx
@@ -81,15 +81,10 @@ TemplatePreviewProvider::TemplatePreviewProvider (const OUString& rsURL)
 }
 
 Image TemplatePreviewProvider::operator() (
-    int nWidth,
-    SdPage* pPage,
-    ::sd::PreviewRenderer& rRenderer)
+    int,
+    SdPage*,
+    ::sd::PreviewRenderer&)
 {
-    // Unused parameters.
-    (void)nWidth;
-    (void)pPage;
-    (void)rRenderer;
-
     return Image(ThumbnailView::readThumbnail(msURL));
 }
 
@@ -111,11 +106,8 @@ TemplatePageObjectProvider::TemplatePageObjectProvider (const OUString& rsURL)
 {
 }
 
-SdPage* TemplatePageObjectProvider::operator() (SdDrawDocument* pContainerDocument)
+SdPage* TemplatePageObjectProvider::operator() (SdDrawDocument*)
 {
-    // Unused parameters.
-    (void)pContainerDocument;
-
     SdPage* pPage = nullptr;
 
     mxDocumentShell = nullptr;
@@ -202,10 +194,8 @@ ExistingPageProvider::ExistingPageProvider (SdPage* pPage)
 {
 }
 
-SdPage* ExistingPageProvider::operator() (SdDrawDocument* pDocument)
+SdPage* ExistingPageProvider::operator() (SdDrawDocument*)
 {
-    (void)pDocument; // Unused parameter.
-
     return mpPage;
 }
 
diff --git a/sd/source/ui/sidebar/NavigatorWrapper.cxx b/sd/source/ui/sidebar/NavigatorWrapper.cxx
index 7ab817b751a9..5cdf7ce2bfcc 100644
--- a/sd/source/ui/sidebar/NavigatorWrapper.cxx
+++ b/sd/source/ui/sidebar/NavigatorWrapper.cxx
@@ -59,10 +59,8 @@ void NavigatorWrapper::Resize()
     maNavigator->SetSizePixel(GetSizePixel());
 }
 
-css::ui::LayoutSize NavigatorWrapper::GetHeightForWidth (const sal_Int32 nWidth)
+css::ui::LayoutSize NavigatorWrapper::GetHeightForWidth (const sal_Int32)
 {
-    (void)nWidth;
-
     return css::ui::LayoutSize(-1,-1,-1);
 }
 
diff --git a/sd/source/ui/sidebar/SlideBackground.cxx b/sd/source/ui/sidebar/SlideBackground.cxx
index 812b89144121..c86bb14562d3 100644
--- a/sd/source/ui/sidebar/SlideBackground.cxx
+++ b/sd/source/ui/sidebar/SlideBackground.cxx
@@ -595,10 +595,8 @@ void SlideBackground::NotifyItemUpdate(
     const sal_uInt16 nSID,
     const SfxItemState eState,
     const SfxPoolItem* pState,
-    const bool bIsEnabled)
+    const bool)
 {
-    (void)bIsEnabled;
-
     switch(nSID)
     {
 
diff --git a/sd/source/ui/slidesorter/cache/SlsPageCacheManager.cxx b/sd/source/ui/slidesorter/cache/SlsPageCacheManager.cxx
index 6ad5e4a45dd3..fb8ed0af7395 100644
--- a/sd/source/ui/slidesorter/cache/SlsPageCacheManager.cxx
+++ b/sd/source/ui/slidesorter/cache/SlsPageCacheManager.cxx
@@ -274,11 +274,9 @@ void PageCacheManager::ReleaseCache (const std::shared_ptr<Cache>& rpCache)
 
 std::shared_ptr<PageCacheManager::Cache> PageCacheManager::ChangeSize (
     const std::shared_ptr<Cache>& rpCache,
-    const Size& rOldPreviewSize,
+    const Size&,
     const Size& rNewPreviewSize)
 {
-    (void)rOldPreviewSize;
-
     std::shared_ptr<Cache> pResult;
 
     if (rpCache.get() != nullptr)
diff --git a/sd/source/ui/slidesorter/model/SlsPageEnumerationProvider.cxx b/sd/source/ui/slidesorter/model/SlsPageEnumerationProvider.cxx
index 28bfeae33151..50a27682c3ac 100644
--- a/sd/source/ui/slidesorter/model/SlsPageEnumerationProvider.cxx
+++ b/sd/source/ui/slidesorter/model/SlsPageEnumerationProvider.cxx
@@ -28,9 +28,8 @@ namespace {
 class AllPagesPredicate
 {
 public:
-    bool operator() (const SharedPageDescriptor& rpDescriptor) const
+    bool operator() (const SharedPageDescriptor&) const
     {
-        (void)rpDescriptor;
         return true;
     }
 };
diff --git a/sd/source/ui/slidesorter/shell/SlideSorterService.cxx b/sd/source/ui/slidesorter/shell/SlideSorterService.cxx
index 3c9f80deb2e3..78517c6086f0 100644
--- a/sd/source/ui/slidesorter/shell/SlideSorterService.cxx
+++ b/sd/source/ui/slidesorter/shell/SlideSorterService.cxx
@@ -125,29 +125,23 @@ sal_Bool SAL_CALL SlideSorterService::isAnchorOnly()
 
 //----- XWindowListener -------------------------------------------------------
 
-void SAL_CALL SlideSorterService::windowResized (const awt::WindowEvent& rEvent)
+void SAL_CALL SlideSorterService::windowResized (const awt::WindowEvent&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
 
     Resize();
 }
 
-void SAL_CALL SlideSorterService::windowMoved (const awt::WindowEvent& rEvent)
-{
-    (void)rEvent;
-}
+void SAL_CALL SlideSorterService::windowMoved (const awt::WindowEvent&) {}
 
-void SAL_CALL SlideSorterService::windowShown (const lang::EventObject& rEvent)
+void SAL_CALL SlideSorterService::windowShown (const lang::EventObject&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
     Resize();
 }
 
-void SAL_CALL SlideSorterService::windowHidden (const lang::EventObject& rEvent)
+void SAL_CALL SlideSorterService::windowHidden (const lang::EventObject&)
 {
-    (void)rEvent;
     ThrowIfDisposed();
 }
 
diff --git a/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx b/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
index 32dbf8920819..2da220ed845d 100644
--- a/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
+++ b/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
@@ -298,10 +298,8 @@ void InsertionIndicatorOverlay::SetLocation (const Point& rLocation)
 
 void InsertionIndicatorOverlay::Paint (
     OutputDevice& rDevice,
-    const ::tools::Rectangle& rRepaintArea)
+    const ::tools::Rectangle&)
 {
-    (void)rRepaintArea;
-
     if ( ! IsVisible())
         return;
 
diff --git a/sd/source/ui/slidesorter/view/SlsLayouter.cxx b/sd/source/ui/slidesorter/view/SlsLayouter.cxx
index bb67972edf7b..dbe5f4053b53 100644
--- a/sd/source/ui/slidesorter/view/SlsLayouter.cxx
+++ b/sd/source/ui/slidesorter/view/SlsLayouter.cxx
@@ -1000,10 +1000,8 @@ Layouter::Orientation HorizontalImplementation::GetOrientation() const
     return Layouter::HORIZONTAL;
 }
 
-void HorizontalImplementation::CalculateRowAndColumnCount (const Size& rWindowSize)
+void HorizontalImplementation::CalculateRowAndColumnCount (const Size&)
 {
-    (void)rWindowSize;
-
     // Row and column count are fixed (for a given page count.)
     mnColumnCount = mnPageCount;
     mnRowCount = 1;
@@ -1050,10 +1048,8 @@ Layouter::Orientation VerticalImplementation::GetOrientation() const
     return Layouter::VERTICAL;
 }
 
-void VerticalImplementation::CalculateRowAndColumnCount (const Size& rWindowSize)
+void VerticalImplementation::CalculateRowAndColumnCount (const Size&)
 {
-    (void)rWindowSize;
-
     // Row and column count are fixed (for a given page count.)
     mnRowCount = mnPageCount;
     mnColumnCount = 1;
diff --git a/sd/source/ui/tools/PropertySet.cxx b/sd/source/ui/tools/PropertySet.cxx
index 934636a2153d..33b2d7485804 100644
--- a/sd/source/ui/tools/PropertySet.cxx
+++ b/sd/source/ui/tools/PropertySet.cxx
@@ -118,23 +118,19 @@ void SAL_CALL PropertySet::removePropertyChangeListener (
 }
 
 void SAL_CALL PropertySet::addVetoableChangeListener (
-    const OUString& rsPropertyName,
-    const css::uno::Reference<css::beans::XVetoableChangeListener>& rxListener)
+    const OUString&,
+    const css::uno::Reference<css::beans::XVetoableChangeListener>&)
 {
     // Constraint properties are not supported and thus no vetoable
     // listeners.
-    (void)rsPropertyName;
-    (void)rxListener;
 }
 
 void SAL_CALL PropertySet::removeVetoableChangeListener (
-    const OUString& rsPropertyName,
-    const css::uno::Reference<css::beans::XVetoableChangeListener>& rxListener)
+    const OUString&,
+    const css::uno::Reference<css::beans::XVetoableChangeListener>&)
 {
     // Constraint properties are not supported and thus no vetoable
     // listeners.
-    (void)rsPropertyName;
-    (void)rxListener;
 }
 
 void PropertySet::CallListeners (
diff --git a/sd/source/ui/unoidl/SdUnoDrawView.cxx b/sd/source/ui/unoidl/SdUnoDrawView.cxx
index f78122dca27d..fe3df00c97f5 100644
--- a/sd/source/ui/unoidl/SdUnoDrawView.cxx
+++ b/sd/source/ui/unoidl/SdUnoDrawView.cxx
@@ -289,16 +289,12 @@ Any SAL_CALL SdUnoDrawView::getSelection()
 }
 
 void SAL_CALL SdUnoDrawView::addSelectionChangeListener (
-    const css::uno::Reference<css::view::XSelectionChangeListener>& rxListener)
-{
-    (void)rxListener;
-}
+    const css::uno::Reference<css::view::XSelectionChangeListener>&)
+{}
 
 void SAL_CALL SdUnoDrawView::removeSelectionChangeListener (
-    const css::uno::Reference<css::view::XSelectionChangeListener>& rxListener)
-{
-    (void)rxListener;
-}
+    const css::uno::Reference<css::view::XSelectionChangeListener>&)
+{}
 
 void SdUnoDrawView::setFastPropertyValue (
     sal_Int32 nHandle,
diff --git a/sd/source/ui/unoidl/SdUnoOutlineView.cxx b/sd/source/ui/unoidl/SdUnoOutlineView.cxx
index be14a720ffa1..c93c4588727b 100644
--- a/sd/source/ui/unoidl/SdUnoOutlineView.cxx
+++ b/sd/source/ui/unoidl/SdUnoOutlineView.cxx
@@ -64,16 +64,12 @@ Any SAL_CALL SdUnoOutlineView::getSelection()
 }
 
 void SAL_CALL SdUnoOutlineView::addSelectionChangeListener (
-    const css::uno::Reference<css::view::XSelectionChangeListener>& rxListener)
-{
-    (void)rxListener;
-}
+    const css::uno::Reference<css::view::XSelectionChangeListener>&)
+{}
 
 void SAL_CALL SdUnoOutlineView::removeSelectionChangeListener (
-    const css::uno::Reference<css::view::XSelectionChangeListener>& rxListener)
-{
-    (void)rxListener;
-}
+    const css::uno::Reference<css::view::XSelectionChangeListener>&)
+{}
 
 //----- XDrawView -------------------------------------------------------------
 void SAL_CALL SdUnoOutlineView::setCurrentPage (
diff --git a/sd/source/ui/unoidl/SdUnoSlideView.cxx b/sd/source/ui/unoidl/SdUnoSlideView.cxx
index c1f1f4bb0638..15c9371783f1 100644
--- a/sd/source/ui/unoidl/SdUnoSlideView.cxx
+++ b/sd/source/ui/unoidl/SdUnoSlideView.cxx
@@ -104,16 +104,12 @@ Any SAL_CALL SdUnoSlideView::getSelection()
 }
 
 void SAL_CALL SdUnoSlideView::addSelectionChangeListener (
-    const css::uno::Reference<css::view::XSelectionChangeListener>& rxListener)
-{
-    (void)rxListener;
-}
+    const css::uno::Reference<css::view::XSelectionChangeListener>&)
+{}
 
 void SAL_CALL SdUnoSlideView::removeSelectionChangeListener (
-    const css::uno::Reference<css::view::XSelectionChangeListener>& rxListener)
-{
-    (void)rxListener;
-}
+    const css::uno::Reference<css::view::XSelectionChangeListener>&)
+{}
 
 //----- XDrawView -------------------------------------------------------------
 
@@ -142,10 +138,8 @@ css::uno::Reference<css::drawing::XDrawPage > SAL_CALL
 
 void SdUnoSlideView::setFastPropertyValue (
     sal_Int32 nHandle,
-        const Any& rValue)
+        const Any&)
 {
-    (void)rValue;
-
     throw beans::UnknownPropertyException( OUString::number(nHandle), static_cast<cppu::OWeakObject*>(this));
 }
 
diff --git a/sd/source/ui/unoidl/UnoDocumentSettings.cxx b/sd/source/ui/unoidl/UnoDocumentSettings.cxx
index 4016191e8b3f..cbe2aa9ddb1b 100644
--- a/sd/source/ui/unoidl/UnoDocumentSettings.cxx
+++ b/sd/source/ui/unoidl/UnoDocumentSettings.cxx
@@ -377,8 +377,7 @@ uno::Sequence<beans::PropertyValue>
         uno::Reference< lang::XComponent > xComp( xSubStorage, UNO_QUERY );
         if( xComp.is() )
             xSubStorage->dispose();
-    } catch (const uno::Exception &e) {
-        (void)e;
+    } catch (const uno::Exception &) {
 //        fprintf (stderr, "saving etc. exception '%s'\n",
 //                 OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).getStr());
     }
diff --git a/sd/source/ui/view/DocumentRenderer.cxx b/sd/source/ui/view/DocumentRenderer.cxx
index 57f8ed7ac3d0..a6966be40195 100644
--- a/sd/source/ui/view/DocumentRenderer.cxx
+++ b/sd/source/ui/view/DocumentRenderer.cxx
@@ -741,13 +741,12 @@ namespace {
         virtual void Print (
             Printer& rPrinter,
             SdDrawDocument& rDocument,
-            ViewShell& rViewShell,
+            ViewShell&,
             View* pView,
             DrawView& rPrintView,
             const SdrLayerIDSet& rVisibleLayers,
             const SdrLayerIDSet& rPrintableLayers) const override
         {
-            (void)rViewShell;
             SdPage* pPageToPrint = rDocument.GetSdPage(mnPageIndex, mePageKind);
             rPrinter.SetMapMode(maMap);
             PrintPage(
@@ -792,13 +791,12 @@ namespace {
         virtual void Print (
             Printer& rPrinter,
             SdDrawDocument& rDocument,
-            ViewShell& rViewShell,
+            ViewShell&,
             View* pView,
             DrawView& rPrintView,
             const SdrLayerIDSet& rVisibleLayers,
             const SdrLayerIDSet& rPrintableLayers) const override
         {
-            (void)rViewShell;
             SdPage* pPageToPrint = rDocument.GetSdPage(mnPageIndex, mePageKind);
             if (pPageToPrint==nullptr)
                 return;
@@ -875,13 +873,12 @@ namespace {
         virtual void Print (
             Printer& rPrinter,
             SdDrawDocument& rDocument,
-            ViewShell& rViewShell,
+            ViewShell&,
             View* pView,
             DrawView& rPrintView,
             const SdrLayerIDSet& rVisibleLayers,
             const SdrLayerIDSet& rPrintableLayers) const override
         {
-            (void)rViewShell;
             MapMode aMap (maMap);
             SdPage* pPageToPrint = rDocument.GetSdPage(mnFirstPageIndex, mePageKind);
             if (pPageToPrint)
@@ -1091,18 +1088,12 @@ namespace {
         virtual void Print (
             Printer& rPrinter,
             SdDrawDocument& rDocument,
-            ViewShell& rViewShell,
-            View* pView,
-            DrawView& rPrintView,
-            const SdrLayerIDSet& rVisibleLayers,
-            const SdrLayerIDSet& rPrintableLayers) const override
+            ViewShell&,
+            View*,
+            DrawView&,
+            const SdrLayerIDSet&,
+            const SdrLayerIDSet&) const override
         {
-            (void)rViewShell;
-            (void)pView;
-            (void)rPrintView;
-            (void)rVisibleLayers;
-            (void)rPrintableLayers;
-
             // Set up the printer.
             rPrinter.SetMapMode(maMap);
 
@@ -2226,31 +2217,27 @@ DocumentRenderer::~DocumentRenderer()
 //----- XRenderable -----------------------------------------------------------
 
 sal_Int32 SAL_CALL DocumentRenderer::getRendererCount (
-    const css::uno::Any& aSelection,
+    const css::uno::Any&,
     const css::uno::Sequence<css::beans::PropertyValue >& rOptions)
 {
-    (void)aSelection;
     mpImpl->ProcessProperties(rOptions);
     return mpImpl->GetPrintPageCount();
 }
 
 Sequence<beans::PropertyValue> SAL_CALL DocumentRenderer::getRenderer (
-    sal_Int32 nRenderer,
-    const css::uno::Any& rSelection,
+    sal_Int32,
+    const css::uno::Any&,
     const css::uno::Sequence<css::beans::PropertyValue>& rOptions)
 {
-    (void)nRenderer;
-    (void)rSelection;
     mpImpl->ProcessProperties(rOptions);
     return mpImpl->GetProperties();
 }
 
 void SAL_CALL DocumentRenderer::render (
     sal_Int32 nRenderer,
-    const css::uno::Any& rSelection,
+    const css::uno::Any&,
     const css::uno::Sequence<css::beans::PropertyValue>& rOptions)
 {
-    (void)rSelection;
     mpImpl->ProcessProperties(rOptions);
     mpImpl->PrintPage(nRenderer);
 }
diff --git a/sd/source/ui/view/drviewsa.cxx b/sd/source/ui/view/drviewsa.cxx
index 2a28a1ffb2db..73dd7228ab6e 100644
--- a/sd/source/ui/view/drviewsa.cxx
+++ b/sd/source/ui/view/drviewsa.cxx
@@ -394,7 +394,6 @@ bool DrawViewShell::RelocateToParentWindow (vcl::Window* pParentWindow)
 
 void DrawViewShell::CheckLineTo(SfxRequest& rReq)
 {
-    (void)rReq;
 #ifdef DBG_UTIL
     if(rReq.IsAPI())
     {