loplugin:unusedfields in vcl part1

Change-Id: I67d176003f39992cd0ff9271a7d6ce26d2cb6619
Reviewed-on: https://gerrit.libreoffice.org/38828
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

60 files changed, 26 insertions, 245 deletions

diff --git a/filter/source/pdf/pdfexport.cxx b/filter/source/pdf/pdfexport.cxx
index 1132009ae1e7..146566b9e97f 100644
--- a/filter/source/pdf/pdfexport.cxx
+++ b/filter/source/pdf/pdfexport.cxx
@@ -802,13 +802,11 @@ bool PDFExport::Export( const OUString& rFile, const Sequence< PropertyValue >&
                 pPDFExtOutDevData->SetIsExportNotes( mbExportNotes );
                 pPDFExtOutDevData->SetIsExportTaggedPDF( mbUseTaggedPDF );
                 pPDFExtOutDevData->SetIsExportTransitionEffects( mbUseTransitionEffects );
-                pPDFExtOutDevData->SetFormsFormat( mnFormsFormat );
                 pPDFExtOutDevData->SetIsExportFormFields( mbExportFormFields );
                 pPDFExtOutDevData->SetIsExportBookmarks( mbExportBookmarks );
                 pPDFExtOutDevData->SetIsExportHiddenSlides( mbExportHiddenSlides );
                 pPDFExtOutDevData->SetIsLosslessCompression( mbUseLosslessCompression );
                 pPDFExtOutDevData->SetCompressionQuality( mnQuality );
-                pPDFExtOutDevData->SetMaxImageResolution( mnMaxImageResolution );
                 pPDFExtOutDevData->SetIsReduceImageResolution( mbReduceImageResolution );
                 pPDFExtOutDevData->SetIsExportNamedDestinations( mbExportBmkToDest );
 
diff --git a/include/vcl/accel.hxx b/include/vcl/accel.hxx
index 573fa8920afc..27b3363f838e 100644
--- a/include/vcl/accel.hxx
+++ b/include/vcl/accel.hxx
@@ -40,7 +40,6 @@ private:
     // Will be set by AcceleratorManager
     vcl::KeyCode            maCurKeyCode;
     sal_uInt16              mnCurId;
-    sal_uInt16              mnCurRepeat;
     bool*                   mpDel;
 
     SAL_DLLPRIVATE  void    ImplInit();
diff --git a/include/vcl/dockwin.hxx b/include/vcl/dockwin.hxx
index d4622a07ff7b..a3e60b7f433f 100644
--- a/include/vcl/dockwin.hxx
+++ b/include/vcl/dockwin.hxx
@@ -101,7 +101,6 @@ private:
     bool            mbDockCanceled:1,
                     mbDocking:1,
                     mbLastFloatMode:1,
-                    mbStartFloat:1,
                     mbRollUp:1,
                     mbDockBtn:1,
                     mbHideBtn:1,
diff --git a/include/vcl/edit.hxx b/include/vcl/edit.hxx
index fd84f1d3d7cd..caf94fbee1fe 100644
--- a/include/vcl/edit.hxx
+++ b/include/vcl/edit.hxx
@@ -89,7 +89,6 @@ private:
                         mbInsertMode:1,
                         mbClickedInSelection:1,
                         mbIsSubEdit:1,
-                        mbInMBDown:1,
                         mbActivePopup:1;
     Link<Edit&,void>    maModifyHdl;
     Link<Edit&,void>    maUpdateDataHdl;
diff --git a/include/vcl/field.hxx b/include/vcl/field.hxx
index 7fca5c290205..9a0b32d435fd 100644
--- a/include/vcl/field.hxx
+++ b/include/vcl/field.hxx
@@ -165,7 +165,6 @@ protected:
     sal_Int64               mnLastValue;
     sal_Int64               mnMin;
     sal_Int64               mnMax;
-    sal_uInt16              mnType;
     bool                    mbWrapOnLimits;
 
     // the members below are used in all derivatives of NumericFormatter
diff --git a/include/vcl/filter/pdfdocument.hxx b/include/vcl/filter/pdfdocument.hxx
index 9297ef4a9e5e..6c5510ff3483 100644
--- a/include/vcl/filter/pdfdocument.hxx
+++ b/include/vcl/filter/pdfdocument.hxx
@@ -114,8 +114,6 @@ public:
 /// Array object: a list.
 class VCL_DLLPUBLIC PDFArrayElement : public PDFElement
 {
-    /// Location after the '[' token.
-    sal_uInt64 m_nOffset = 0;
     std::vector<PDFElement*> m_aElements;
     /// The object that contains this array.
     PDFObjectElement* m_pObject;
@@ -244,11 +242,6 @@ struct XRefEntry
      * stored.
      */
     sal_uInt64 m_nOffset;
-    /**
-     * Non-compressed: The generation number of the object.
-     * Compressed: The index of this object within the object stream.
-     */
-    sal_uInt64 m_nGenerationNumber;
     /// Are changed as part of an incremental update?.
     bool m_bDirty;
 
diff --git a/include/vcl/graphicfilter.hxx b/include/vcl/graphicfilter.hxx
index 01b6e07f58d0..fa112d71066c 100644
--- a/include/vcl/graphicfilter.hxx
+++ b/include/vcl/graphicfilter.hxx
@@ -144,7 +144,6 @@ class VCL_DLLPUBLIC GraphicDescriptor final
     sal_uInt16          nBitsPerPixel;
     sal_uInt16          nPlanes;
     GraphicFileFormat   nFormat;
-    bool                bCompressed;
     bool                bOwnStream;
 
     void                ImpConstruct();
@@ -221,10 +220,9 @@ public:
 /** Information about errors during the GraphicFilter operation. */
 struct FilterErrorEx
 {
-    sal_uLong   nFilterError;
     sal_uLong   nStreamError;
 
-            FilterErrorEx() : nFilterError( 0UL ), nStreamError( 0UL ) {}
+    FilterErrorEx() : nStreamError( 0UL ) {}
 };
 
 /** Class to import and export graphic formats. */
@@ -320,7 +318,6 @@ private:
 
     FilterErrorEx*      pErrorEx;
     bool                bUseConfig;
-    long                nExpGraphHint;
 };
 
 #endif // INCLUDED_VCL_GRAPHICFILTER_HXX
diff --git a/include/vcl/layout.hxx b/include/vcl/layout.hxx
index 753d86f8039d..8e9b0e02e381 100644
--- a/include/vcl/layout.hxx
+++ b/include/vcl/layout.hxx
@@ -420,10 +420,6 @@ public:
         , m_nLeftPadding(0)
         , m_nRightPadding(0)
         , m_nTopPadding(0)
-        , m_fXAlign(0.0)
-        , m_fXScale(1.0)
-        , m_fYAlign(0.0)
-        , m_fYScale(1.0)
     {
     }
     virtual bool set_property(const OString &rKey, const OUString &rValue) override;
@@ -435,10 +431,6 @@ private:
     sal_Int32 m_nLeftPadding;
     sal_Int32 m_nRightPadding;
     sal_Int32 m_nTopPadding;
-    float m_fXAlign;
-    float m_fXScale;
-    float m_fYAlign;
-    float m_fYScale;
 };
 
 class VCL_DLLPUBLIC VclExpander : public VclBin
diff --git a/include/vcl/outdev.hxx b/include/vcl/outdev.hxx
index b4fb7f019081..64798b85fc1b 100644
--- a/include/vcl/outdev.hxx
+++ b/include/vcl/outdev.hxx
@@ -379,7 +379,6 @@ private:
     Color                           maTextColor;
     Color                           maTextLineColor;
     Color                           maOverlineColor;
-    TextAlign                       meTextAlign;
     RasterOp                        meRasterOp;
     Wallpaper                       maBackground;
     std::unique_ptr<AllSettings>    mxSettings;
diff --git a/include/vcl/pdfextoutdevdata.hxx b/include/vcl/pdfextoutdevdata.hxx
index ed4a574d033e..4701360ea948 100644
--- a/include/vcl/pdfextoutdevdata.hxx
+++ b/include/vcl/pdfextoutdevdata.hxx
@@ -84,10 +84,8 @@ class VCL_DLLPUBLIC PDFExtOutDevData : public ExtOutDevData
     bool                        mbExportBookmarks;
     bool                        mbExportHiddenSlides;
     bool                        mbExportNDests; //i56629
-    sal_Int32                   mnFormsFormat;
     sal_Int32                   mnPage;
     sal_Int32                   mnCompressionQuality;
-    sal_Int32                   mnMaxImageResolution;
     css::lang::Locale           maDocLocale;
 
     PageSyncData*               mpPageSyncData;
@@ -120,8 +118,6 @@ public:
     bool    GetIsExportFormFields() const { return mbExportFormFields;}
     void        SetIsExportFormFields( const bool bExportFormFields );
 
-    void        SetFormsFormat( const sal_Int32 nFormsFormat );
-
     bool    GetIsExportBookmarks() const { return mbExportBookmarks;}
     void        SetIsExportBookmarks( const bool bExportBookmarks );
 
@@ -140,8 +136,6 @@ public:
 
     void        SetCompressionQuality( const sal_Int32 nQuality );
 
-    void        SetMaxImageResolution( const sal_Int32 nQuality );
-
     bool        GetIsReduceImageResolution() const { return mbReduceImageResolution;}
     void        SetIsReduceImageResolution( const bool bReduceImageResolution );
 
diff --git a/include/vcl/ppdparser.hxx b/include/vcl/ppdparser.hxx
index 134bb9bf49fa..b693dc41ff94 100644
--- a/include/vcl/ppdparser.hxx
+++ b/include/vcl/ppdparser.hxx
@@ -73,12 +73,10 @@ class VCL_DLLPUBLIC PPDKey
     OUString            m_aGroup;
 
 public:
-    enum UIType { PickOne, PickMany, Boolean };
     enum class SetupType { ExitServer, Prolog, DocumentSetup, PageSetup, JCLSetup, AnySetup };
 private:
 
     bool                m_bUIOption;
-    UIType              m_eUIType;
     int                 m_nOrderDependency;
     SetupType           m_eSetupType;
 
@@ -169,7 +167,6 @@ private:
     const PPDValue*                             m_pDefaultResolution;
     const PPDKey*                               m_pResolutions;
     // duplex commands
-    const PPDValue*                             m_pDefaultDuplexType;
     const PPDKey*                               m_pDuplexTypes;
 
     // fonts
diff --git a/include/vcl/print.hxx b/include/vcl/print.hxx
index 240bc7333b79..90faa219190b 100644
--- a/include/vcl/print.hxx
+++ b/include/vcl/print.hxx
@@ -194,8 +194,6 @@ private:
     Point                       maPageOffset;
     Size                        maPaperSize;
     sal_uLong                   mnError;
-    sal_uInt16                  mnCurPage;
-    sal_uInt16                  mnCurPrintPage;
     sal_uInt16                  mnPageQueueSize;
     sal_uInt16                  mnCopyCount;
     bool                        mbDefPrinter;
diff --git a/include/vcl/salnativewidgets.hxx b/include/vcl/salnativewidgets.hxx
index 98cbc1953f5f..46ffc48f799b 100644
--- a/include/vcl/salnativewidgets.hxx
+++ b/include/vcl/salnativewidgets.hxx
@@ -413,7 +413,7 @@ public:
     virtual ToolbarValue* clone() const override;
     tools::Rectangle           maGripRect;
     bool                mbIsTopDockingArea; // indicates that this is the top aligned dockingarea
-                                            // adjacent to the menubar
+                                            // adjacent to the menubar, only used on Windows
 };
 
 /*  MenubarValue:
@@ -460,8 +460,8 @@ public:
     virtual ~PushButtonValue() override;
     virtual PushButtonValue* clone() const override;
 
-    bool            mbBevelButton:1;
-    bool            mbSingleLine:1;
+    bool            mbBevelButton:1; // only used on OSX
+    bool            mbSingleLine:1;  // only used on OSX
 };
 
 
diff --git a/include/vcl/scrbar.hxx b/include/vcl/scrbar.hxx
index 73d4cc69ddf7..fdacb3ed1059 100644
--- a/include/vcl/scrbar.hxx
+++ b/include/vcl/scrbar.hxx
@@ -60,7 +60,6 @@ private:
     long            mnLineSize;
     long            mnPageSize;
     long            mnDelta;
-    sal_uInt16      mnDragDraw;
     sal_uInt16      mnStateFlags;
     ScrollType      meScrollType;
     bool            mbCalcSize;
diff --git a/include/vcl/slider.hxx b/include/vcl/slider.hxx
index 996fc136b125..f4536b4c9af6 100644
--- a/include/vcl/slider.hxx
+++ b/include/vcl/slider.hxx
@@ -45,7 +45,6 @@ private:
     long            mnThumbPos;
     long            mnLineSize;
     long            mnPageSize;
-    long            mnDelta;
     sal_uInt16      mnStateFlags;
     ScrollType      meScrollType;
     bool            mbCalcSize;
diff --git a/include/vcl/spinfld.hxx b/include/vcl/spinfld.hxx
index ea829e388fb4..6e3a2c35811b 100644
--- a/include/vcl/spinfld.hxx
+++ b/include/vcl/spinfld.hxx
@@ -93,7 +93,6 @@ private:
                     mbSpin:1,
                     mbInitialUp:1,
                     mbInitialDown:1,
-                    mbNoSelect:1,
                     mbUpperIn:1,
                     mbLowerIn:1,
                     mbInDropDown:1;
diff --git a/include/vcl/sysdata.hxx b/include/vcl/sysdata.hxx
index bb2ddf8b510a..18c4376c40a0 100644
--- a/include/vcl/sysdata.hxx
+++ b/include/vcl/sysdata.hxx
@@ -69,13 +69,9 @@ struct SystemEnvData
     void*               pWidget;        // the corresponding widget
     void*               pVisual;        // the visual in use
     int                 nScreen;        // the current screen of the window
-    int                 nDepth;         // depth of said visual
-    long                aColormap;      // the colormap being used
-    void*               pAppContext;    // the application context in use
     // note: this is a "long" in Xlib *but* in the protocol it's only 32-bit
     // however, the GTK3 vclplug wants to store pointers in here!
     sal_IntPtr          aShellWindow;   // the window of the frame's shell
-    void*               pShellWidget;   // the frame's shell widget
     const char*         pToolkit;       // the toolkit in use (gtk2 vs gtk3)
 #endif
 
@@ -95,11 +91,7 @@ struct SystemEnvData
         , pWidget(nullptr)
         , pVisual(nullptr)
         , nScreen(0)
-        , nDepth(0)
-        , aColormap(0)
-        , pAppContext(nullptr)
         , aShellWindow(0)
-        , pShellWidget(nullptr)
         , pToolkit(nullptr)
 #endif
     {
@@ -146,12 +138,7 @@ struct SystemGraphicsData
 #elif defined( IOS )
     CGContextRef    rCGContext;     // CoreGraphics graphic context
 #elif defined( UNX )
-    void*           pDisplay;       // the relevant display connection
     long            hDrawable;      // a drawable
-    void*           pVisual;        // the visual in use
-    int         nScreen;        // the current screen of the drawable
-    int             nDepth;         // depth of said visual
-    long            aColormap;      // the colormap being used
     void*           pXRenderFormat;  // render format for drawable
 #endif
     SystemGraphicsData()
@@ -166,12 +153,7 @@ struct SystemGraphicsData
 #elif defined( IOS )
         , rCGContext( NULL )
 #elif defined( UNX )
-        , pDisplay( nullptr )
         , hDrawable( 0 )
-        , pVisual( nullptr )
-        , nScreen( 0 )
-        , nDepth( 0 )
-        , aColormap( 0 )
         , pXRenderFormat( nullptr )
 #endif
     { }
@@ -179,7 +161,6 @@ struct SystemGraphicsData
 
 struct SystemWindowData
 {
-    unsigned long   nSize;          // size in bytes of this structure
 #if defined(_WIN32)                  // meaningless on Windows
 #elif defined( MACOSX )
     bool            bOpenGL;        // create a OpenGL providing NSView
@@ -205,7 +186,6 @@ struct SystemGlyphData
 
 struct SystemFontData
 {
-    unsigned long   nSize;          // size in bytes of this structure
 #if defined( UNX )
     void*           nFontId;        // native font id
     int             nFontFlags;     // native font flags
@@ -216,15 +196,15 @@ struct SystemFontData
     bool            bVerticalCharacterType;      // Is the font using vertical character type
 
     SystemFontData()
-        : nSize( sizeof( SystemFontData ) )
+        :
 #if defined( UNX )
-        , nFontId( nullptr )
-        , nFontFlags( 0 )
+        nFontId( nullptr ),
+        nFontFlags( 0 ),
 #endif
-        , bFakeBold( false )
-        , bFakeItalic( false )
-        , bAntialias( true )
-        , bVerticalCharacterType( false )
+        bFakeBold( false ),
+        bFakeItalic( false ),
+        bAntialias( true ),
+        bVerticalCharacterType( false )
     {
     }
 };
@@ -235,7 +215,6 @@ typedef std::vector<SystemGlyphData> SystemGlyphDataVector;
 
 struct SystemTextLayoutData
 {
-    unsigned long         nSize;         // size in bytes of this structure
     SystemGlyphDataVector rGlyphData;    // glyph data
     int                   orientation;   // Text orientation
 };
diff --git a/include/vcl/syswin.hxx b/include/vcl/syswin.hxx
index 65e040172615..57624b659c58 100644
--- a/include/vcl/syswin.hxx
+++ b/include/vcl/syswin.hxx
@@ -157,7 +157,6 @@ private:
     Size            maRollUpOutSize;
     Size            maMinOutSize;
     bool            mbRollUp;
-    bool            mbRollFunc;
     bool            mbDockBtn;
     bool            mbHideBtn;
     bool            mbSysChild;
diff --git a/include/vcl/textdata.hxx b/include/vcl/textdata.hxx
index 0ce7955e59f8..2e595fb8995e 100644
--- a/include/vcl/textdata.hxx
+++ b/include/vcl/textdata.hxx
@@ -130,7 +130,6 @@ struct TEIMEInfos
     std::unique_ptr<ExtTextInputAttr[]> pAttribs;
     TextPaM     aPos;
     sal_Int32   nLen;
-    bool        bCursor;
     bool        bWasCursorOverwrite;
 
     TEIMEInfos(const TextPaM& rPos, const OUString& rOldTextAfterStartPos);
diff --git a/include/vcl/threadex.hxx b/include/vcl/threadex.hxx
index 6330a71bcc28..954593e6604e 100644
--- a/include/vcl/threadex.hxx
+++ b/include/vcl/threadex.hxx
@@ -35,7 +35,6 @@ namespace vcl
     {
         osl::Condition          m_aStart;
         osl::Condition          m_aFinish;
-        long                    m_nReturn;
         bool                    m_bTimeout;
 
         DECL_DLLPRIVATE_LINK( worker, void*, void );
@@ -44,7 +43,7 @@ namespace vcl
         SolarThreadExecutor();
         virtual ~SolarThreadExecutor();
 
-        virtual long doIt() = 0;
+        virtual void doIt() = 0;
         void execute();
     };
 
@@ -71,7 +70,7 @@ private:
     explicit GenericSolarThreadExecutor( FuncT const& func )
         : m_exc(), m_func(func), m_result() {}
 
-    virtual long doIt() override
+    virtual void doIt() override
     {
         try {
             m_result.reset( m_func() );
@@ -80,7 +79,6 @@ private:
             // only UNO exceptions can be dispatched:
             m_exc = ::cppu::getCaughtException();
         }
-        return 0;
     }
 
     css::uno::Any m_exc;
@@ -101,7 +99,7 @@ private:
     explicit GenericSolarThreadExecutor( FuncT const& func )
         : m_exc(), m_func(func) {}
 
-    virtual long doIt() override
+    virtual void doIt() override
     {
         try {
             m_func();
@@ -110,7 +108,6 @@ private:
             // only UNO exceptions can be dispatched:
             m_exc = ::cppu::getCaughtException();
         }
-        return 0;
     }
 
     css::uno::Any m_exc;
diff --git a/include/vcl/toolbox.hxx b/include/vcl/toolbox.hxx
index 828027d79cee..a171b6fcc584 100644
--- a/include/vcl/toolbox.hxx
+++ b/include/vcl/toolbox.hxx
@@ -132,7 +132,6 @@ private:
     ImplToolItems::size_type mnVisLines; // number of visible lines (for scrolling)
     ImplToolItems::size_type mnFloatLines; // number of lines during floating mode
     ImplToolItems::size_type mnDockLines;
-    sal_uInt16          mnMouseClicks;
     sal_uInt16          mnMouseModifier;
     bool                mbDrag:1,
                         mbSelection:1,
@@ -147,7 +146,6 @@ private:
                         mbLastFloatMode:1,
                         mbCustomize:1,
                         mbDragging:1,
-                        mbIsShift:1,
                         mbIsKeyEvent:1,
                         mbChangingHighlight:1,
                         mbImagesMirrored:1;
diff --git a/vcl/headless/svpframe.cxx b/vcl/headless/svpframe.cxx
index 6f6cd6171c90..9a086c0b3d6a 100644
--- a/vcl/headless/svpframe.cxx
+++ b/vcl/headless/svpframe.cxx
@@ -61,7 +61,6 @@ SvpSalFrame::SvpSalFrame( SvpSalInstance* pInstance,
     // Nothing
 #else
     m_aSystemChildData.pSalFrame    = this;
-    m_aSystemChildData.nDepth       = 24;
 #endif
 
     if( m_pParent )
diff --git a/vcl/inc/accmgr.hxx b/vcl/inc/accmgr.hxx
index aafe9c83160c..b2b469eb6826 100644
--- a/vcl/inc/accmgr.hxx
+++ b/vcl/inc/accmgr.hxx
@@ -48,7 +48,7 @@ public:
     void                EndSequence();
     void                FlushAccel() { EndSequence(); }
 
-    bool                IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRepeat );
+    bool                IsAccelKey( const vcl::KeyCode& rKeyCode );
 };
 
 #endif // INCLUDED_VCL_INC_ACCMGR_HXX
diff --git a/vcl/opengl/x11/gdiimpl.cxx b/vcl/opengl/x11/gdiimpl.cxx
index bbf7b811d8c7..bc5c854c51e3 100644
--- a/vcl/opengl/x11/gdiimpl.cxx
+++ b/vcl/opengl/x11/gdiimpl.cxx
@@ -248,7 +248,6 @@ SystemWindowData X11OpenGLContext::generateWinData(vcl::Window* pParent, bool /*
     OpenGLZone aZone;
 
     SystemWindowData aWinData;
-    aWinData.nSize = sizeof(aWinData);
     aWinData.pVisual = nullptr;
 
     const SystemEnvData* sysData(pParent->GetSystemData());
diff --git a/vcl/osx/salobj.cxx b/vcl/osx/salobj.cxx
index 9e6e746d5b35..b9170f706c38 100644
--- a/vcl/osx/salobj.cxx
+++ b/vcl/osx/salobj.cxx
@@ -288,7 +288,6 @@ SystemWindowData AquaOpenGLContext::generateWinData(vcl::Window* /*pParent*/, bo
     SystemWindowData aWinData;
     aWinData.bOpenGL = true;
     aWinData.bLegacy = bRequestLegacyContext;
-    aWinData.nSize = sizeof(aWinData);
     return aWinData;
 }
 
diff --git a/vcl/source/control/edit.cxx b/vcl/source/control/edit.cxx
index e31582511652..b1cad70899be 100644
--- a/vcl/source/control/edit.cxx
+++ b/vcl/source/control/edit.cxx
@@ -284,7 +284,6 @@ void Edit::ImplInitEditData()
     mbClickedInSelection    = false;
     mbActivePopup           = false;
     mbIsSubEdit             = false;
-    mbInMBDown              = false;
     mpDDInfo                = nullptr;
     mpIMEInfos              = nullptr;
     mcEchoChar              = 0;
@@ -1357,9 +1356,7 @@ void Edit::MouseButtonDown( const MouseEvent& rMEvt )
             StartTracking( StartTrackingFlags::ScrollRepeat );
     }
 
-    mbInMBDown = true;  // then do not select all in GetFocus
     GrabFocus();
-    mbInMBDown = false;
 }
 
 void Edit::MouseButtonUp( const MouseEvent& rMEvt )
diff --git a/vcl/source/control/field.cxx b/vcl/source/control/field.cxx
index 14b68c355385..e20d32ce3550 100644
--- a/vcl/source/control/field.cxx
+++ b/vcl/source/control/field.cxx
@@ -44,10 +44,6 @@ using namespace ::comphelper;
 namespace
 {
 
-#define FORMAT_NUMERIC       1
-#define FORMAT_METRIC        2
-#define FORMAT_CURRENCY      3
-
 sal_Int64 ImplPower10( sal_uInt16 n )
 {
     sal_uInt16  i;
@@ -494,7 +490,6 @@ void NumericFormatter::ImplInit()
         // a "large" value substantially smaller than SAL_MAX_INT64, to avoid
         // overflow in computations using this "dummy" value
     mnDecimalDigits     = 2;
-    mnType              = FORMAT_NUMERIC;
     mbThousandSep       = true;
     mbShowTrailingZeros = true;
     mbWrapOnLimits      = false;
@@ -1328,7 +1323,6 @@ inline void MetricFormatter::ImplInit()
 {
     mnBaseValue = 0;
     meUnit = MetricField::GetDefaultUnit();
-    mnType = FORMAT_METRIC;
 }
 
 MetricFormatter::MetricFormatter()
@@ -1826,7 +1820,6 @@ bool CurrencyFormatter::ImplCurrencyReformat( const OUString& rStr, OUString& rO
 
 CurrencyFormatter::CurrencyFormatter()
 {
-    mnType = FORMAT_CURRENCY;
 }
 
 CurrencyFormatter::~CurrencyFormatter()
diff --git a/vcl/source/control/scrbar.cxx b/vcl/source/control/scrbar.cxx
index 95ab867d4844..5f84ff2c4022 100644
--- a/vcl/source/control/scrbar.cxx
+++ b/vcl/source/control/scrbar.cxx
@@ -82,7 +82,6 @@ void ScrollBar::ImplInit( vcl::Window* pParent, WinBits nStyle )
     mnLineSize          = 1;
     mnPageSize          = 1;
     mnDelta             = 0;
-    mnDragDraw          = 0;
     mnStateFlags        = 0;
     meScrollType        = ScrollType::DontKnow;
     mbCalcSize          = true;
@@ -879,7 +878,6 @@ void ScrollBar::MouseButtonDown( const MouseEvent& rMEvt )
             {
                 nTrackFlags     = StartTrackingFlags::ButtonRepeat;
                 meScrollType    = ScrollType::LineUp;
-                mnDragDraw      = SCRBAR_DRAW_BTN1;
             }
         }
         else if ( HitTestNativeScrollbar( bHorizontal? (IsRTLEnabled()? ControlPart::ButtonLeft: ControlPart::ButtonRight): ControlPart::ButtonDown,
@@ -891,7 +889,6 @@ void ScrollBar::MouseButtonDown( const MouseEvent& rMEvt )
             {
                 nTrackFlags     = StartTrackingFlags::ButtonRepeat;
                 meScrollType    = ScrollType::LineDown;
-                mnDragDraw      = SCRBAR_DRAW_BTN2;
             }
         }
         else
@@ -919,7 +916,6 @@ void ScrollBar::MouseButtonDown( const MouseEvent& rMEvt )
                 {
                     nTrackFlags     = StartTrackingFlags::NONE;
                     meScrollType    = ScrollType::Drag;
-                    mnDragDraw      = SCRBAR_DRAW_THUMB;
 
                     // calculate mouse offset
                     if (bWarp && (!bThumbHit || !bPrimaryWarping))
@@ -955,12 +951,10 @@ void ScrollBar::MouseButtonDown( const MouseEvent& rMEvt )
                     maPage1Rect.IsInside( rMousePos ) )
                 {
                     meScrollType    = ScrollType::PageUp;
-                    mnDragDraw      = SCRBAR_DRAW_PAGE1;
                 }
                 else
                 {
                     meScrollType    = ScrollType::PageDown;
-                    mnDragDraw      = SCRBAR_DRAW_PAGE2;
                 }
             }
         }
@@ -993,7 +987,6 @@ void ScrollBar::Tracking( const TrackingEvent& rTEvt )
                           SCRBAR_STATE_THUMB_DOWN);
         if ( nOldStateFlags != mnStateFlags )
             Invalidate();
-        mnDragDraw = 0;
 
         // Restore the old ThumbPosition when canceled
         if ( rTEvt.IsTrackingCanceled() )
diff --git a/vcl/source/control/slider.cxx b/vcl/source/control/slider.cxx
index 3bf88f210cd9..1bbf92750f25 100644
--- a/vcl/source/control/slider.cxx
+++ b/vcl/source/control/slider.cxx
@@ -53,7 +53,6 @@ void Slider::ImplInit( vcl::Window* pParent, WinBits nStyle )
     mnThumbPos          = 0;
     mnLineSize          = 1;
     mnPageSize          = 1;
-    mnDelta             = 0;
     mnStateFlags        = 0;
     meScrollType        = ScrollType::DontKnow;
     mbCalcSize          = true;
@@ -489,11 +488,9 @@ long Slider::ImplSlide( long nNewPos, bool bCallEndSlide )
     long nDelta = mnThumbPos-nOldPos;
     if ( nDelta )
     {
-        mnDelta = nDelta;
         Slide();
         if ( bCallEndSlide )
             EndSlide();
-        mnDelta = 0;
     }
     return nDelta;
 }
@@ -697,9 +694,7 @@ void Slider::Tracking( const TrackingEvent& rTEvt )
         // on cancel, reset the previous Thumb position
         if ( rTEvt.IsTrackingCanceled() )
         {
-            long nOldPos = mnThumbPos;
             SetThumbPos( mnStartPos );
-            mnDelta = mnThumbPos-nOldPos;
             Slide();
         }
 
@@ -711,15 +706,11 @@ void Slider::Tracking( const TrackingEvent& rTEvt )
 
             if ( !mbFullDrag && (mnStartPos != mnThumbPos) )
             {
-                mnDelta = mnThumbPos-mnStartPos;
                 Slide();
-                mnDelta = 0;
             }
         }
 
-        mnDelta = mnThumbPos-mnStartPos;
         EndSlide();
-        mnDelta = 0;
         meScrollType = ScrollType::DontKnow;
     }
     else
@@ -752,9 +743,7 @@ void Slider::Tracking( const TrackingEvent& rTEvt )
                     ImplUpdateLinkedField();
                     if ( mbFullDrag && (nOldPos != mnThumbPos) )
                     {
-                        mnDelta = mnThumbPos-nOldPos;
                         Slide();
-                        mnDelta = 0;
                     }
                 }
             }
diff --git a/vcl/source/control/spinfld.cxx b/vcl/source/control/spinfld.cxx
index 96b8ffce552d..88e20bbfe09c 100644
--- a/vcl/source/control/spinfld.cxx
+++ b/vcl/source/control/spinfld.cxx
@@ -297,7 +297,6 @@ void SpinField::ImplInitSpinFieldData()
     mbLowerIn       = false;
     mbInitialUp     = false;
     mbInitialDown   = false;
-    mbNoSelect      = false;
     mbInDropDown    = false;
 }
 
@@ -379,7 +378,6 @@ void SpinField::MouseButtonDown( const MouseEvent& rMEvt )
 {
     if (!HasFocus() && (!mpEdit || !mpEdit->HasFocus()))
     {
-        mbNoSelect = true;
         GrabFocus();
     }
 
diff --git a/vcl/source/edit/textdata.cxx b/vcl/source/edit/textdata.cxx
index f3a65d5275e0..9561370aaed9 100644
--- a/vcl/source/edit/textdata.cxx
+++ b/vcl/source/edit/textdata.cxx
@@ -325,7 +325,6 @@ TEIMEInfos::TEIMEInfos( const TextPaM& rPos, const OUString& rOldTextAfterStartP
 {
     aPos = rPos;
     nLen = 0;
-    bCursor = true;
     pAttribs = nullptr;
     bWasCursorOverwrite = false;
 }
diff --git a/vcl/source/edit/textview.cxx b/vcl/source/edit/textview.cxx
index c6cb9618e4cf..544a44ad09f6 100644
--- a/vcl/source/edit/textview.cxx
+++ b/vcl/source/edit/textview.cxx
@@ -905,7 +905,6 @@ void TextView::Command( const CommandEvent& rCEvt )
                 if ( pData->GetTextAttr() )
                 {
                     mpImpl->mpTextEngine->mpIMEInfos->CopyAttribs( pData->GetTextAttr(), pData->GetText().getLength() );
-                    mpImpl->mpTextEngine->mpIMEInfos->bCursor = pData->IsCursorVisible();
                 }
                 else
                 {
diff --git a/vcl/source/filter/graphicfilter.cxx b/vcl/source/filter/graphicfilter.cxx
index e148287038f7..0314d3d8ac34 100644
--- a/vcl/source/filter/graphicfilter.cxx
+++ b/vcl/source/filter/graphicfilter.cxx
@@ -1100,7 +1100,6 @@ namespace { struct Cache : public rtl::Static<ImpFilterLibCache, Cache> {}; }
 GraphicFilter::GraphicFilter( bool bConfig )
     : pErrorEx(nullptr)
     , bUseConfig(bConfig)
-    , nExpGraphHint(0)
 {
     ImplInit();
 }
@@ -1159,7 +1158,6 @@ void GraphicFilter::ImplInit()
 
 sal_uLong GraphicFilter::ImplSetError( sal_uLong nError, const SvStream* pStm )
 {
-    pErrorEx->nFilterError = nError;
     pErrorEx->nStreamError = pStm ? pStm->GetError() : ERRCODE_NONE;
     return nError;
 }
@@ -1978,7 +1976,6 @@ ErrCode GraphicFilter::ExportGraphic( const Graphic& rGraphic, const OUString& r
     sal_uInt16 nFormatCount = GetExportFormatCount();
 
     ResetLastError();
-    nExpGraphHint = 0;
 
     if( nFormat == GRFILTER_FORMAT_DONTKNOW )
     {
@@ -2108,7 +2105,6 @@ ErrCode GraphicFilter::ExportGraphic( const Graphic& rGraphic, const OUString& r
                 bool bExportedGrayJPEG = false;
                 if( !ExportJPEG( rOStm, aGraphic, pFilterData, &bExportedGrayJPEG ) )
                     nStatus = ERRCODE_GRFILTER_FORMATERROR;
-                nExpGraphHint = bExportedGrayJPEG ? GRFILTER_OUTHINT_GREY : 0;
 
                 if( rOStm.GetError() )
                     nStatus = ERRCODE_GRFILTER_IOERROR;
@@ -2279,7 +2275,7 @@ ErrCode GraphicFilter::ExportGraphic( const Graphic& rGraphic, const OUString& r
 
 void GraphicFilter::ResetLastError()
 {
-    pErrorEx->nFilterError = pErrorEx->nStreamError = 0UL;
+    pErrorEx->nStreamError = 0UL;
 }
 
 const Link<ConvertData&,bool> GraphicFilter::GetFilterCallback() const
diff --git a/vcl/source/filter/graphicfilter2.cxx b/vcl/source/filter/graphicfilter2.cxx
index 0a7d5034e463..121d9690a861 100644
--- a/vcl/source/filter/graphicfilter2.cxx
+++ b/vcl/source/filter/graphicfilter2.cxx
@@ -98,7 +98,6 @@ void GraphicDescriptor::ImpConstruct()
     nFormat = GraphicFileFormat::NOT;
     nBitsPerPixel = 0;
     nPlanes = 0;
-    bCompressed = false;
 }
 
 bool GraphicDescriptor::ImpDetectBMP( SvStream& rStm, bool bExtendedInfo )
@@ -149,7 +148,7 @@ bool GraphicDescriptor::ImpDetectBMP( SvStream& rStm, bool bExtendedInfo )
 
             // Compression
             rStm.ReadUInt32( nTemp32 );
-            bCompressed = ( ( nCompression = nTemp32 ) > 0 );
+            nCompression = nTemp32;
 
             // logical width
             rStm.SeekRel( 4 );
@@ -461,7 +460,6 @@ bool GraphicDescriptor::ImpDetectPCX( SvStream& rStm, bool bExtendedInfo )
 
             // compression
             rStm.ReadUChar( cByte );
-            bCompressed = ( cByte > 0 );
 
             bRet = (cByte==0 || cByte ==1);
             if (bRet)
@@ -549,7 +547,6 @@ bool GraphicDescriptor::ImpDetectPNG( SvStream& rStm, bool bExtendedInfo )
                 // Planes always 1;
                 // compression always
                 nPlanes = 1;
-                bCompressed = true;
 
                 sal_uInt32  nLen32 = 0;
                 nTemp32 = 0;
@@ -718,8 +715,7 @@ bool GraphicDescriptor::ImpDetectTIF( SvStream& rStm, bool bExtendedInfo )
                             if ( nTemp16 == 259 )
                             {
                                 rStm.SeekRel( 6 );
-                                rStm.ReadUInt16( nTemp16 );
-                                bCompressed = ( nTemp16 > 1 );
+                                rStm.ReadUInt16( nTemp16 ); // compression
                                 rStm.SeekRel( 2 );
                             }
                             else
diff --git a/vcl/source/filter/ipdf/pdfdocument.cxx b/vcl/source/filter/ipdf/pdfdocument.cxx
index 105800974532..e2ef15cafa98 100644
--- a/vcl/source/filter/ipdf/pdfdocument.cxx
+++ b/vcl/source/filter/ipdf/pdfdocument.cxx
@@ -125,7 +125,6 @@ public:
 XRefEntry::XRefEntry()
     : m_eType(XRefEntryType::NOT_COMPRESSED),
       m_nOffset(0),
-      m_nGenerationNumber(0),
       m_bDirty(false)
 {
 }
@@ -308,7 +307,6 @@ bool PDFDocument::WritePageObject(PDFObjectElement& rFirstPage, sal_Int32 nAnnot
         sal_uInt32 nAnnotsId = pAnnotsObject->GetObjectValue();
         m_aXRef[nAnnotsId].m_eType = XRefEntryType::NOT_COMPRESSED;
         m_aXRef[nAnnotsId].m_nOffset = m_aEditBuffer.Tell();
-        m_aXRef[nAnnotsId].m_nGenerationNumber = 0;
         m_aXRef[nAnnotsId].m_bDirty = true;
         m_aEditBuffer.WriteUInt32AsString(nAnnotsId);
         m_aEditBuffer.WriteCharPtr(" 0 obj\n[");
@@ -431,7 +429,6 @@ bool PDFDocument::WriteCatalogObject(sal_Int32 nAnnotId, PDFReferenceElement*& p
         sal_uInt32 nAcroFormId = pAcroFormObject->GetObjectValue();
         m_aXRef[nAcroFormId].m_eType = XRefEntryType::NOT_COMPRESSED;
         m_aXRef[nAcroFormId].m_nOffset = m_aEditBuffer.Tell();
-        m_aXRef[nAcroFormId].m_nGenerationNumber = 0;
         m_aXRef[nAcroFormId].m_bDirty = true;
         m_aEditBuffer.WriteUInt32AsString(nAcroFormId);
         m_aEditBuffer.WriteCharPtr(" 0 obj\n");
@@ -1629,7 +1626,6 @@ void PDFDocument::ReadXRefStream(SvStream& rStream)
                         break;
                     }
                     aEntry.m_nOffset = nStreamOffset;
-                    aEntry.m_nGenerationNumber = nGenerationNumber;
                     m_aXRef[nIndex] = aEntry;
                 }
             }
@@ -1703,7 +1699,6 @@ void PDFDocument::ReadXRef(SvStream& rStream)
             {
                 XRefEntry aEntry;
                 aEntry.m_nOffset = aOffset.GetValue();
-                aEntry.m_nGenerationNumber = aGenerationNumber.GetValue();
                 // Initially only the first entry is dirty.
                 if (nIndex == 0)
                     aEntry.m_bDirty = true;
@@ -3025,7 +3020,6 @@ bool PDFArrayElement::Read(SvStream& rStream)
         SAL_WARN("vcl.filter", "PDFArrayElement::Read: unexpected character: " << ch);
         return false;
     }
-    m_nOffset = rStream.Tell();
 
     SAL_INFO("vcl.filter", "PDFArrayElement::Read: '['");
 
diff --git a/vcl/source/gdi/pdfextoutdevdata.cxx b/vcl/source/gdi/pdfextoutdevdata.cxx
index ccc242061fa4..67061939df3d 100644
--- a/vcl/source/gdi/pdfextoutdevdata.cxx
+++ b/vcl/source/gdi/pdfextoutdevdata.cxx
@@ -509,10 +509,8 @@ PDFExtOutDevData::PDFExtOutDevData( const OutputDevice& rOutDev ) :
     mbExportBookmarks       ( false ),
     mbExportHiddenSlides    ( false ),
     mbExportNDests          ( false ),
-    mnFormsFormat           ( 0 ),
     mnPage                  ( -1 ),
     mnCompressionQuality    ( 90 ),
-    mnMaxImageResolution    ( 300 ),
     mpPageSyncData          ( nullptr ),
     mpGlobalSyncData        ( new GlobalSyncData() )
 {
@@ -546,10 +544,6 @@ void PDFExtOutDevData::SetCompressionQuality( const sal_Int32 nQuality )
 {
     mnCompressionQuality = nQuality;
 }
-void PDFExtOutDevData::SetMaxImageResolution( const sal_Int32 nMaxImageResolution )
-{
-    mnMaxImageResolution = nMaxImageResolution;
-}
 void PDFExtOutDevData::SetIsReduceImageResolution( const bool bReduceImageResolution )
 {
     mbReduceImageResolution = bReduceImageResolution;
@@ -574,10 +568,6 @@ void PDFExtOutDevData::SetIsExportFormFields( const bool bExportFomtFields )
 {
     mbExportFormFields = bExportFomtFields;
 }
-void PDFExtOutDevData::SetFormsFormat( const sal_Int32 nFormsFormat )
-{
-    mnFormsFormat = nFormsFormat;
-}
 void PDFExtOutDevData::SetIsExportBookmarks( const bool bExportBookmarks )
 {
     mbExportBookmarks = bExportBookmarks;
diff --git a/vcl/source/gdi/print.cxx b/vcl/source/gdi/print.cxx
index 09f7ff9b6d88..cb53eb66a005 100644
--- a/vcl/source/gdi/print.cxx
+++ b/vcl/source/gdi/print.cxx
@@ -483,8 +483,6 @@ void Printer::ImplInitData()
     meOutDevType        = OUTDEV_PRINTER;
     mbDefPrinter        = false;
     mnError             = ERRCODE_NONE;
-    mnCurPage           = 0;
-    mnCurPrintPage      = 0;
     mnPageQueueSize     = 0;
     mnCopyCount         = 1;
     mbCollateCopy       = false;
@@ -1642,10 +1640,7 @@ bool Printer::EndJob()
     {
         ReleaseGraphics();
 
-        mnCurPage = 0;
-
         mbPrinting      = false;
-        mnCurPrintPage  = 0;
         maJobName.clear();
 
         mbDevOutput = false;
@@ -1678,11 +1673,7 @@ void Printer::ImplStartPage()
 
         // PrintJob not aborted ???
         if ( IsJobActive() )
-        {
             mbInPrintPage = true;
-            mnCurPage++;
-            mnCurPrintPage++;
-        }
     }
 }
 
diff --git a/vcl/source/gdi/print3.cxx b/vcl/source/gdi/print3.cxx
index 1adca043062c..a8dc7c504b86 100644
--- a/vcl/source/gdi/print3.cxx
+++ b/vcl/source/gdi/print3.cxx
@@ -591,8 +591,6 @@ bool Printer::StartJob( const OUString& i_rJobName, std::shared_ptr<vcl::Printer
     mpPrinterOptions->ReadFromConfig( mbPrintFile );
 
     maJobName               = i_rJobName;
-    mnCurPage               = 1;
-    mnCurPrintPage          = 1;
     mbPrinting              = true;
     if( GetCapabilities( PrinterCapType::UsePullModel ) )
     {
@@ -615,8 +613,6 @@ bool Printer::StartJob( const OUString& i_rJobName, std::shared_ptr<vcl::Printer
             if ( !mnError )
                 mnError = PRINTER_GENERALERROR;
             pSVData->mpDefInst->DestroyPrinter( mpPrinter );
-            mnCurPage           = 0;
-            mnCurPrintPage      = 0;
             mbPrinting          = false;
             mpPrinter = nullptr;
             mbJobActive = false;
@@ -709,8 +705,6 @@ bool Printer::StartJob( const OUString& i_rJobName, std::shared_ptr<vcl::Printer
                     if ( mpPrinter )
                     {
                         maJobName               = i_rJobName;
-                        mnCurPage               = 1;
-                        mnCurPrintPage          = 1;
                         mbPrinting              = true;
                     }
                     else
@@ -730,8 +724,6 @@ bool Printer::StartJob( const OUString& i_rJobName, std::shared_ptr<vcl::Printer
                                             : css::view::PrintableState_JOB_FAILED );
                 if( mpPrinter )
                     pSVData->mpDefInst->DestroyPrinter( mpPrinter );
-                mnCurPage           = 0;
-                mnCurPrintPage      = 0;
                 mbPrinting          = false;
                 mpPrinter = nullptr;
 
diff --git a/vcl/source/helper/threadex.cxx b/vcl/source/helper/threadex.cxx
index 7bc04082ab71..6e3f7f4808f8 100644
--- a/vcl/source/helper/threadex.cxx
+++ b/vcl/source/helper/threadex.cxx
@@ -25,7 +25,6 @@ using namespace vcl;
 SolarThreadExecutor::SolarThreadExecutor()
     :m_aStart()
     ,m_aFinish()
-    ,m_nReturn( 0 )
     ,m_bTimeout( false )
 {
 }
@@ -39,7 +38,7 @@ IMPL_LINK_NOARG(SolarThreadExecutor, worker, void*, void)
     if ( !m_bTimeout )
     {
         m_aStart.set();
-        m_nReturn = doIt();
+        doIt();
         m_aFinish.set();
     }
 }
@@ -49,7 +48,7 @@ void SolarThreadExecutor::execute()
     if( ::osl::Thread::getCurrentIdentifier() == Application::GetMainThreadIdentifier() )
     {
         m_aStart.set();
-        m_nReturn = doIt();
+        doIt();
         m_aFinish.set();
     }
     else
diff --git a/vcl/source/opengl/OpenGLContext.cxx b/vcl/source/opengl/OpenGLContext.cxx
index 541491100bf5..760c20c7b1bc 100644
--- a/vcl/source/opengl/OpenGLContext.cxx
+++ b/vcl/source/opengl/OpenGLContext.cxx
@@ -429,7 +429,6 @@ SystemWindowData OpenGLContext::generateWinData(vcl::Window* /*pParent*/, bool /
 {
     SystemWindowData aWinData;
     memset(&aWinData, 0, sizeof(aWinData));
-    aWinData.nSize = sizeof(aWinData);
     return aWinData;
 }
 
diff --git a/vcl/source/outdev/font.cxx b/vcl/source/outdev/font.cxx
index f8438335062b..9bcb8c26022f 100644
--- a/vcl/source/outdev/font.cxx
+++ b/vcl/source/outdev/font.cxx
@@ -271,7 +271,6 @@ bool OutputDevice::GetFontCapabilities( vcl::FontCapabilities& rFontCapabilities
 SystemFontData OutputDevice::GetSysFontData(int nFallbacklevel) const
 {
     SystemFontData aSysFontData;
-    aSysFontData.nSize = sizeof(aSysFontData);
 
     if (!mpGraphics)
         (void) AcquireGraphics();
diff --git a/vcl/source/outdev/outdev.cxx b/vcl/source/outdev/outdev.cxx
index a235f1a7e957..8244f0b338f1 100644
--- a/vcl/source/outdev/outdev.cxx
+++ b/vcl/source/outdev/outdev.cxx
@@ -93,7 +93,6 @@ OutputDevice::OutputDevice() :
     mbOutputClipped                 = false;
     maTextColor                     = Color( COL_BLACK );
     maOverlineColor                 = Color( COL_TRANSPARENT );
-    meTextAlign                     = maFont.GetAlignment();
     meRasterOp                      = RasterOp::OverPaint;
     mnAntialiasing                  = AntialiasingFlags::NONE;
     meTextLanguage                  = LANGUAGE_SYSTEM;  // TODO: get default from configuration?
diff --git a/vcl/source/outdev/text.cxx b/vcl/source/outdev/text.cxx
index 150fd828887d..00ae6906275b 100644
--- a/vcl/source/outdev/text.cxx
+++ b/vcl/source/outdev/text.cxx
@@ -2335,7 +2335,6 @@ SystemTextLayoutData OutputDevice::GetSysTextLayoutData(const Point& rStartPt, c
     }
 
     SystemTextLayoutData aSysLayoutData;
-    aSysLayoutData.nSize = sizeof(aSysLayoutData);
     aSysLayoutData.rGlyphData.reserve( 256 );
     aSysLayoutData.orientation = 0;
 
diff --git a/vcl/source/window/accel.cxx b/vcl/source/window/accel.cxx
index 28c9844a5ffb..a345681635c9 100644
--- a/vcl/source/window/accel.cxx
+++ b/vcl/source/window/accel.cxx
@@ -124,7 +124,6 @@ static void ImplAccelEntryInsert( ImplAccelList* pList, ImplAccelEntry* pEntry )
 void Accelerator::ImplInit()
 {
     mnCurId             = 0;
-    mnCurRepeat         = 0;
     mpDel               = nullptr;
 }
 
@@ -295,7 +294,6 @@ Accelerator& Accelerator::operator=( const Accelerator& rAccel )
     // assign new data
     maCurKeyCode    = vcl::KeyCode();
     mnCurId         = 0;
-    mnCurRepeat     = 0;
 
     // delete and copy tables
     ImplDeleteData();
diff --git a/vcl/source/window/accmgr.cxx b/vcl/source/window/accmgr.cxx
index bf209354191c..2959f75f81dc 100644
--- a/vcl/source/window/accmgr.cxx
+++ b/vcl/source/window/accmgr.cxx
@@ -95,7 +95,7 @@ void ImplAccelManager::EndSequence()
     mpSequenceList = nullptr;
 }
 
-bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRepeat )
+bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode )
 {
     Accelerator* pAccel;
 
@@ -147,7 +147,6 @@ bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRep
                     bool bDel = false;
                     pAccel->maCurKeyCode    = rKeyCode;
                     pAccel->mnCurId         = pEntry->mnId;
-                    pAccel->mnCurRepeat     = nRepeat;
                     pAccel->mpDel           = &bDel;
                     pAccel->Select();
 
@@ -156,7 +155,6 @@ bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRep
                     {
                         pAccel->maCurKeyCode    = vcl::KeyCode();
                         pAccel->mnCurId         = 0;
-                        pAccel->mnCurRepeat     = 0;
                         pAccel->mpDel           = nullptr;
                     }
 
@@ -217,7 +215,6 @@ bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRep
                     bool bDel = false;
                     pAccel->maCurKeyCode    = rKeyCode;
                     pAccel->mnCurId         = pEntry->mnId;
-                    pAccel->mnCurRepeat     = nRepeat;
                     pAccel->mpDel           = &bDel;
                     pAccel->Select();
 
@@ -226,7 +223,6 @@ bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRep
                     {
                         pAccel->maCurKeyCode    = vcl::KeyCode();
                         pAccel->mnCurId         = 0;
-                        pAccel->mnCurRepeat     = 0;
                         pAccel->mpDel           = nullptr;
                     }
 
diff --git a/vcl/source/window/dockmgr.cxx b/vcl/source/window/dockmgr.cxx
index 12654bf6c0db..1ee6bdc309a3 100644
--- a/vcl/source/window/dockmgr.cxx
+++ b/vcl/source/window/dockmgr.cxx
@@ -661,7 +661,6 @@ ImplDockingWindowWrapper::ImplDockingWindowWrapper( const vcl::Window *pWindow )
     , mbDockCanceled(false)
     , mbDocking(false)
     , mbLastFloatMode(false)
-    , mbStartFloat(false)
     , mbRollUp(false)
     , mbDockBtn(false)
     , mbHideBtn(false)
@@ -692,7 +691,6 @@ bool ImplDockingWindowWrapper::ImplStartDocking( const Point& rPos )
     maMouseStart    = maMouseOff;
     mbDocking       = true;
     mbLastFloatMode = IsFloatingMode();
-    mbStartFloat    = mbLastFloatMode;
 
     // calculate FloatingBorder
     VclPtr<FloatingWindow> pWin;
diff --git a/vcl/source/window/layout.cxx b/vcl/source/window/layout.cxx
index 010ee2a5c2f6..c6a7615c4be5 100644
--- a/vcl/source/window/layout.cxx
+++ b/vcl/source/window/layout.cxx
@@ -1657,13 +1657,13 @@ bool VclAlignment::set_property(const OString &rKey, const OUString &rValue)
     else if (rKey == "top-padding")
         m_nTopPadding = rValue.toInt32();
     else if (rKey == "xalign")
-        m_fXAlign = rValue.toFloat();
+        ;
     else if (rKey == "xscale")
-        m_fXScale = rValue.toFloat();
+        ;
     else if (rKey == "yalign")
-        m_fYAlign = rValue.toFloat();
+        ;
     else if (rKey == "yscale")
-        m_fYScale = rValue.toFloat();
+        ;
     else
         return VclBin::set_property(rKey, rValue);
     return true;
diff --git a/vcl/source/window/syswin.cxx b/vcl/source/window/syswin.cxx
index beca12f4fdc4..f1f59c8de02d 100644
--- a/vcl/source/window/syswin.cxx
+++ b/vcl/source/window/syswin.cxx
@@ -66,7 +66,6 @@ SystemWindow::ImplData::ImplData()
 SystemWindow::SystemWindow(WindowType nType)
     : Window(nType)
     , mbRollUp(false)
-    , mbRollFunc(false)
     , mbDockBtn(false)
     , mbHideBtn(false)
     , mbSysChild(false)
@@ -371,7 +370,6 @@ void SystemWindow::RollUp()
     if ( !mbRollUp )
     {
         maOrgSize = GetOutputSizePixel();
-        mbRollFunc = true;
         Size aSize = maRollUpOutSize;
         if ( !aSize.Width() )
             aSize.Width() = GetOutputSizePixel().Width();
@@ -380,7 +378,6 @@ void SystemWindow::RollUp()
             static_cast<ImplBorderWindow*>(mpWindowImpl->mpBorderWindow.get())->SetRollUp( true, aSize );
         else
             SetOutputSizePixel( aSize );
-        mbRollFunc = false;
     }
 }
 
diff --git a/vcl/source/window/toolbox.cxx b/vcl/source/window/toolbox.cxx
index 7b0b4af23a65..11b32886232a 100644
--- a/vcl/source/window/toolbox.cxx
+++ b/vcl/source/window/toolbox.cxx
@@ -1130,7 +1130,6 @@ void ToolBox::ImplInitToolBoxData()
     mnVisLines        = 1;
     mnFloatLines      = 0;
     mnDockLines       = 0;
-    mnMouseClicks     = 0;
     mnMouseModifier   = 0;
     mbDrag            = false;
     mbSelection       = false;
@@ -1145,7 +1144,6 @@ void ToolBox::ImplInitToolBoxData()
     mbLastFloatMode   = false;
     mbCustomize       = false;
     mbDragging        = false;
-    mbIsShift         = false;
     mbIsKeyEvent = false;
     mbChangingHighlight = false;
     mbImagesMirrored  = false;
@@ -2433,7 +2431,6 @@ IMPL_LINK_NOARG(ToolBox, ImplDropdownLongClickHdl, Timer *, void)
             mnCurPos         = ITEM_NOTFOUND;
             mnCurItemId      = 0;
             mnDownItemId     = 0;
-            mnMouseClicks    = 0;
             mnMouseModifier  = 0;
             mnHighItemId     = 0;
         }
@@ -3155,10 +3152,7 @@ bool ToolBox::ImplHandleMouseButtonUp( const MouseEvent& rMEvt, bool bCancel )
         // set mouse data if in selection mode, as then
         // the MouseButtonDown handler cannot be called
         if ( mbSelection )
-        {
-            mnMouseClicks    = rMEvt.GetClicks();
             mnMouseModifier  = rMEvt.GetModifier();
-        }
 
         Deactivate();
 
@@ -3230,7 +3224,6 @@ bool ToolBox::ImplHandleMouseButtonUp( const MouseEvent& rMEvt, bool bCancel )
         mnCurPos         = ITEM_NOTFOUND;
         mnCurItemId      = 0;
         mnDownItemId     = 0;
-        mnMouseClicks    = 0;
         mnMouseModifier  = 0;
         return true;
     }
@@ -3501,7 +3494,6 @@ void ToolBox::MouseButtonDown( const MouseEvent& rMEvt )
             mnCurPos         = i;
             mnCurItemId      = it->mnId;
             mnDownItemId     = mnCurItemId;
-            mnMouseClicks    = rMEvt.GetClicks();
             mnMouseModifier  = rMEvt.GetModifier();
             if ( it->mnBits & ToolBoxItemBits::REPEAT )
                 nTrackFlags |= StartTrackingFlags::ButtonRepeat;
@@ -3551,7 +3543,6 @@ void ToolBox::MouseButtonDown( const MouseEvent& rMEvt )
                             mnCurPos         = ITEM_NOTFOUND;
                             mnCurItemId      = 0;
                             mnDownItemId     = 0;
-                            mnMouseClicks    = 0;
                             mnMouseModifier  = 0;
                             mnHighItemId     = 0;
                         }
@@ -4665,7 +4656,6 @@ bool ToolBox::ImplOpenItem( vcl::KeyCode aKeyCode )
         mnCurPos = GetItemPos( mnCurItemId );
         mnLastFocusItemId = mnCurItemId; // save item id for possible later focus restore
         mnMouseModifier = aKeyCode.GetModifier();
-        mbIsShift = true;
         mbIsKeyEvent = true;
         Activate();
 
@@ -4673,7 +4663,6 @@ bool ToolBox::ImplOpenItem( vcl::KeyCode aKeyCode )
         mpData->maDropdownClickHdl.Call( this );
 
         mbIsKeyEvent = false;
-        mbIsShift = false;
         mnMouseModifier = 0;
     }
     else
diff --git a/vcl/source/window/toolbox2.cxx b/vcl/source/window/toolbox2.cxx
index aa16ad3c9c1e..bee4f41adada 100644
--- a/vcl/source/window/toolbox2.cxx
+++ b/vcl/source/window/toolbox2.cxx
@@ -1138,7 +1138,6 @@ void ToolBox::EndSelection()
     mnCurPos        = ITEM_NOTFOUND;
     mnCurItemId     = 0;
     mnDownItemId    = 0;
-    mnMouseClicks   = 0;
     mnMouseModifier = 0;
 }
 
@@ -1179,7 +1178,6 @@ void ToolBox::SetItemDown( sal_uInt16 nItemId, bool bDown )
 
         mnCurItemId     = 0;
         mnDownItemId    = 0;
-        mnMouseClicks   = 0;
         mnMouseModifier = 0;
     }
 }
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index fb43d1b95e67..ba0d133ec0a9 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -961,7 +961,7 @@ static bool ImplHandleKey( vcl::Window* pWindow, MouseNotifyEvent nSVEvent,
         // test for accel
         if ( pSVData->maAppData.mpAccelMgr )
         {
-            if ( pSVData->maAppData.mpAccelMgr->IsAccelKey( aKeyCode, nRepeat ) )
+            if ( pSVData->maAppData.mpAccelMgr->IsAccelKey( aKeyCode ) )
                 return true;
         }
     }
diff --git a/vcl/unx/generic/gdi/cairo_xlib_cairo.cxx b/vcl/unx/generic/gdi/cairo_xlib_cairo.cxx
index 4ee1eec061cc..803c02343958 100644
--- a/vcl/unx/generic/gdi/cairo_xlib_cairo.cxx
+++ b/vcl/unx/generic/gdi/cairo_xlib_cairo.cxx
@@ -65,10 +65,7 @@ namespace cairo
     {}
 
     X11SysData::X11SysData( const SystemGraphicsData& pSysDat ) :
-        pDisplay(pSysDat.pDisplay),
         hDrawable(pSysDat.hDrawable),
-        pVisual(pSysDat.pVisual),
-        nScreen(pSysDat.nScreen),
         pRenderFormat(pSysDat.pXRenderFormat)
     {}
 
diff --git a/vcl/unx/generic/gdi/salgdi.cxx b/vcl/unx/generic/gdi/salgdi.cxx
index 4dab907e01d6..b231dfc8f478 100644
--- a/vcl/unx/generic/gdi/salgdi.cxx
+++ b/vcl/unx/generic/gdi/salgdi.cxx
@@ -490,12 +490,7 @@ SystemGraphicsData X11SalGraphics::GetGraphicsData() const
     SystemGraphicsData aRes;
 
     aRes.nSize = sizeof(aRes);
-    aRes.pDisplay  = GetXDisplay();
     aRes.hDrawable = hDrawable_;
-    aRes.pVisual   = GetVisual().visual;
-    aRes.nScreen   = m_nXScreen.getXScreen();
-    aRes.nDepth    = GetBitCount();
-    aRes.aColormap = GetColormap().GetXColormap();
     aRes.pXRenderFormat = m_pXRenderFormat;
     return aRes;
 }
diff --git a/vcl/unx/generic/printer/ppdparser.cxx b/vcl/unx/generic/printer/ppdparser.cxx
index 12c8a1480a85..0a427baf2592 100644
--- a/vcl/unx/generic/printer/ppdparser.cxx
+++ b/vcl/unx/generic/printer/ppdparser.cxx
@@ -596,7 +596,6 @@ PPDParser::PPDParser( const OUString& rFile ) :
         m_pInputSlots( nullptr ),
         m_pDefaultResolution( nullptr ),
         m_pResolutions( nullptr ),
-        m_pDefaultDuplexType( nullptr ),
         m_pDuplexTypes( nullptr ),
         m_pFontList( nullptr ),
         m_pTranslator( new PPDTranslator() )
@@ -744,8 +743,6 @@ PPDParser::PPDParser( const OUString& rFile ) :
     SAL_INFO_IF(!m_pDefaultInputSlot, "vcl.unx.print", "no DefaultInputSlot in " << m_aFile);
 
     m_pDuplexTypes = getKey( OUString( "Duplex" ) );
-    if( m_pDuplexTypes )
-        m_pDefaultDuplexType = m_pDuplexTypes->getDefaultValue();
 
     m_pFontList = getKey( OUString( "Font" ) );
     if (m_pFontList == nullptr) {
@@ -1200,15 +1197,6 @@ void PPDParser::parseOpenUI(const OString& rLine, const OString& rPPDGroup)
     pKey->m_bUIOption = true;
     m_pTranslator->insertKey( pKey->getKey(), aTranslation );
 
-    sal_Int32 nIndex = 0;
-    OString aValue = WhitespaceToSpace( rLine.getToken( 1, ':', nIndex ) );
-    if( aValue.equalsIgnoreAsciiCase("boolean"))
-        pKey->m_eUIType = PPDKey::Boolean;
-    else if (aValue.equalsIgnoreAsciiCase("pickmany"))
-        pKey->m_eUIType = PPDKey::PickMany;
-    else
-        pKey->m_eUIType = PPDKey::PickOne;
-
     pKey->m_aGroup = OStringToOUString(rPPDGroup, RTL_TEXTENCODING_MS_1252);
 }
 
@@ -1479,7 +1467,6 @@ PPDKey::PPDKey( const OUString& rKey ) :
         m_pDefaultValue( nullptr ),
         m_bQueryValue( false ),
         m_bUIOption( false ),
-        m_eUIType( PickOne ),
         m_nOrderDependency( 100 ),
         m_eSetupType( SetupType::AnySetup )
 {
diff --git a/vcl/unx/generic/window/salframe.cxx b/vcl/unx/generic/window/salframe.cxx
index 1ea8598c55f5..24232b5800b8 100644
--- a/vcl/unx/generic/window/salframe.cxx
+++ b/vcl/unx/generic/window/salframe.cxx
@@ -987,11 +987,7 @@ const SystemEnvData* X11SalFrame::GetSystemData() const
     pFrame->maSystemChildData.pWidget       = nullptr;
     pFrame->maSystemChildData.pVisual       = GetDisplay()->GetVisual( m_nXScreen ).GetVisual();
     pFrame->maSystemChildData.nScreen       = m_nXScreen.getXScreen();
-    pFrame->maSystemChildData.nDepth        = GetDisplay()->GetVisual( m_nXScreen ).GetDepth();
-    pFrame->maSystemChildData.aColormap     = GetDisplay()->GetColormap( m_nXScreen ).GetXColormap();
-    pFrame->maSystemChildData.pAppContext   = nullptr;
     pFrame->maSystemChildData.aShellWindow  = pFrame->GetShellWindow();
-    pFrame->maSystemChildData.pShellWidget  = nullptr;
     return &maSystemChildData;
 }
 
diff --git a/vcl/unx/generic/window/salobj.cxx b/vcl/unx/generic/window/salobj.cxx
index b10e8f645201..333d8787c5f3 100644
--- a/vcl/unx/generic/window/salobj.cxx
+++ b/vcl/unx/generic/window/salobj.cxx
@@ -155,10 +155,6 @@ X11SalObject* X11SalObject::CreateObject( SalFrame* pParent, SystemWindowData* p
     pObjData->aWindow       = pObject->maSecondary;
     pObjData->pWidget       = nullptr;
     pObjData->pVisual       = pVisual;
-    pObjData->nDepth        = nDepth;
-    pObjData->aColormap     = aVisID == pSalDisp->GetVisual( nXScreen ).GetVisualId() ?
-                              pSalDisp->GetColormap( nXScreen ).GetXColormap() : None;
-    pObjData->pAppContext   = nullptr;
 
     XSync(pDisp, False);
     if( GetGenericData()->ErrorTrapPop( false ) )
@@ -227,11 +223,7 @@ X11SalObject::X11SalObject()
     maSystemChildData.pSalFrame = nullptr;
     maSystemChildData.pWidget       = nullptr;
     maSystemChildData.pVisual       = nullptr;
-    maSystemChildData.nDepth        = 0;
-    maSystemChildData.aColormap = 0;
-    maSystemChildData.pAppContext   = nullptr;
     maSystemChildData.aShellWindow  = 0;
-    maSystemChildData.pShellWidget  = nullptr;
 
     std::list< SalObject* >& rObjects = vcl_sal::getSalDisplay(GetGenericData())->getSalObjects();
     rObjects.push_back( this );
diff --git a/vcl/unx/gtk/gtkobject.cxx b/vcl/unx/gtk/gtkobject.cxx
index f7c14d08bb9f..42be736bcd25 100644
--- a/vcl/unx/gtk/gtkobject.cxx
+++ b/vcl/unx/gtk/gtkobject.cxx
@@ -54,15 +54,11 @@ GtkSalObject::GtkSalObject( GtkSalFrame* pParent, bool bShow )
         SalDisplay* pDisp = vcl_sal::getSalDisplay(GetGenericData());
         m_aSystemData.pDisplay      = pDisp->GetDisplay();
         m_aSystemData.pVisual       = pDisp->GetVisual(pParent->getXScreenNumber()).GetVisual();
-        m_aSystemData.nDepth        = pDisp->GetVisual(pParent->getXScreenNumber()).GetDepth();
-        m_aSystemData.aColormap     = pDisp->GetColormap(pParent->getXScreenNumber()).GetXColormap();
         m_aSystemData.aWindow       = GDK_WINDOW_XWINDOW(widget_get_window(m_pSocket));
         m_aSystemData.aShellWindow  = GDK_WINDOW_XWINDOW(widget_get_window(GTK_WIDGET(pParent->getWindow())));
         m_aSystemData.pSalFrame     = nullptr;
         m_aSystemData.pWidget       = m_pSocket;
         m_aSystemData.nScreen       = pParent->getXScreenNumber().getXScreen();
-        m_aSystemData.pAppContext   = nullptr;
-        m_aSystemData.pShellWidget  = GTK_WIDGET(pParent->getWindow());
         m_aSystemData.pToolkit      = "gtk2";
 
         g_signal_connect( G_OBJECT(m_pSocket), "button-press-event", G_CALLBACK(signalButton), this );
diff --git a/vcl/unx/gtk/gtksalframe.cxx b/vcl/unx/gtk/gtksalframe.cxx
index 95a8b8cbd7fd..b980749f2ad4 100644
--- a/vcl/unx/gtk/gtksalframe.cxx
+++ b/vcl/unx/gtk/gtksalframe.cxx
@@ -999,15 +999,11 @@ void GtkSalFrame::InitCommon()
     GtkSalDisplay* pDisp = GetGtkSalData()->GetGtkDisplay();
     m_aSystemData.pDisplay      = pDisp->GetDisplay();
     m_aSystemData.pVisual       = pDisp->GetVisual( m_nXScreen ).GetVisual();
-    m_aSystemData.nDepth        = pDisp->GetVisual( m_nXScreen ).GetDepth();
-    m_aSystemData.aColormap     = pDisp->GetColormap( m_nXScreen ).GetXColormap();
     m_aSystemData.aWindow       = widget_get_xid(m_pWindow);
     m_aSystemData.aShellWindow  = m_aSystemData.aWindow;
     m_aSystemData.pSalFrame     = this;
     m_aSystemData.pWidget       = m_pWindow;
     m_aSystemData.nScreen       = m_nXScreen.getXScreen();
-    m_aSystemData.pAppContext   = nullptr;
-    m_aSystemData.pShellWidget  = m_aSystemData.pWidget;
     m_aSystemData.pToolkit      = "gtk2";
 
     m_bGraphics = false;
diff --git a/vcl/unx/gtk3/gtk3gtkframe.cxx b/vcl/unx/gtk3/gtk3gtkframe.cxx
index 54574dd1a38c..784c2a8d542f 100644
--- a/vcl/unx/gtk3/gtk3gtkframe.cxx
+++ b/vcl/unx/gtk3/gtk3gtkframe.cxx
@@ -1116,12 +1116,9 @@ void GtkSalFrame::InitCommon()
     m_aSystemData.pSalFrame     = this;
     m_aSystemData.pWidget       = m_pWindow;
     m_aSystemData.nScreen       = m_nXScreen.getXScreen();
-    m_aSystemData.pAppContext   = nullptr;
-    m_aSystemData.pShellWidget  = m_aSystemData.pWidget;
     m_aSystemData.pToolkit      = "gtk3";
     GdkScreen* pScreen = gtk_window_get_screen(GTK_WINDOW(m_pWindow));
     GdkVisual* pVisual = gdk_screen_get_system_visual(pScreen);
-    m_aSystemData.nDepth = gdk_visual_get_depth(pVisual);
 
 #if defined(GDK_WINDOWING_X11)
     GdkDisplay *pDisplay = getGdkDisplay();
diff --git a/vcl/unx/gtk3/gtk3gtkobject.cxx b/vcl/unx/gtk3/gtk3gtkobject.cxx
index a03ec854f05c..23968852f793 100644
--- a/vcl/unx/gtk3/gtk3gtkobject.cxx
+++ b/vcl/unx/gtk3/gtk3gtkobject.cxx
@@ -53,12 +53,9 @@ GtkSalObject::GtkSalObject( GtkSalFrame* pParent, bool bShow )
         m_aSystemData.pSalFrame     = nullptr;
         m_aSystemData.pWidget       = m_pSocket;
         m_aSystemData.nScreen       = pParent->getXScreenNumber().getXScreen();
-        m_aSystemData.pAppContext   = nullptr;
-        m_aSystemData.pShellWidget  = GTK_WIDGET(pParent->getWindow());
         m_aSystemData.pToolkit      = "gtk3";
         GdkScreen* pScreen = gtk_window_get_screen(GTK_WINDOW(pParent->getWindow()));
         GdkVisual* pVisual = gdk_screen_get_system_visual(pScreen);
-        m_aSystemData.nDepth = gdk_visual_get_depth(pVisual);
 
 #if defined(GDK_WINDOWING_X11)
         GdkDisplay *pDisplay = GtkSalFrame::getGdkDisplay();