loplugin:unusedfields in vcl part2

Change-Id: Icd02f63e9738c0bb91348e2084649f9edc281e67
Reviewed-on: https://gerrit.libreoffice.org/38833
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

43 files changed, 26 insertions, 235 deletions

diff --git a/vcl/inc/unx/genpspgraphics.h b/vcl/inc/unx/genpspgraphics.h
index b37bb909d1f2..01c061c565cc 100644
--- a/vcl/inc/unx/genpspgraphics.h
+++ b/vcl/inc/unx/genpspgraphics.h
@@ -46,14 +46,11 @@ class VCL_DLLPUBLIC GenPspGraphics : public SalGraphics
     psp::PrinterGfx*        m_pPrinterGfx;
 
     FreetypeFont*           m_pFreetypeFont[ MAX_FALLBACK ];
-    bool                    m_bFontVertical;
-    SalInfoPrinter*         m_pInfoPrinter;
 public:
                             GenPspGraphics();
     virtual                ~GenPspGraphics() override;
 
-    void                    Init( psp::JobData* pJob, psp::PrinterGfx* pGfx,
-                                  SalInfoPrinter* pInfoPrinter );
+    void                    Init( psp::JobData* pJob, psp::PrinterGfx* pGfx );
 
     // helper methods
     static const void *     DoGetEmbedFontData(psp::fontID aFont, long* pDataLen);
diff --git a/vcl/inc/unx/glyphcache.hxx b/vcl/inc/unx/glyphcache.hxx
index eb350ef0abd1..05095e5c9eca 100644
--- a/vcl/inc/unx/glyphcache.hxx
+++ b/vcl/inc/unx/glyphcache.hxx
@@ -190,7 +190,6 @@ private:
     bool                    mbFaceOk;
     bool                    mbArtItalic;
     bool                    mbArtBold;
-    bool                    mbUseGamma;
 
     hb_font_t*              mpHbFont;
 };
diff --git a/vcl/inc/unx/gtk/gtkframe.hxx b/vcl/inc/unx/gtk/gtkframe.hxx
index 37a4facabd0c..e5b89619efbc 100644
--- a/vcl/inc/unx/gtk/gtkframe.hxx
+++ b/vcl/inc/unx/gtk/gtkframe.hxx
@@ -188,7 +188,6 @@ class GtkSalFrame : public SalFrame
     bool                            m_bGraphics;
     ModKeyFlags                     m_nKeyModifiers;
     GdkCursor                      *m_pCurrentCursor;
-    GdkVisibilityState              m_nVisibility;
     PointerStyle                    m_ePointerStyle;
     ScreenSaverInhibitor            m_ScreenSaverInhibitor;
     int                             m_nWorkArea;
diff --git a/vcl/inc/unx/i18n_cb.hxx b/vcl/inc/unx/i18n_cb.hxx
index ceaf53eb3826..5ba32eea0fb0 100644
--- a/vcl/inc/unx/i18n_cb.hxx
+++ b/vcl/inc/unx/i18n_cb.hxx
@@ -50,13 +50,11 @@ struct preedit_text_t
 {
     sal_Unicode   *pUnicodeBuffer;
     XIMFeedback   *pCharStyle;
-    unsigned int   nCursorPos;
     unsigned int   nLength;
     unsigned int   nSize;
     preedit_text_t()
         : pUnicodeBuffer(nullptr)
         , pCharStyle(nullptr)
-        , nCursorPos(0)
         , nLength(0)
         , nSize(0)
     {
diff --git a/vcl/inc/unx/i18n_xkb.hxx b/vcl/inc/unx/i18n_xkb.hxx
index 69d0303f0309..d3641312f3da 100644
--- a/vcl/inc/unx/i18n_xkb.hxx
+++ b/vcl/inc/unx/i18n_xkb.hxx
@@ -27,9 +27,8 @@ class VCLPLUG_GEN_PUBLIC SalI18N_KeyboardExtension
 {
 private:
 
-    bool            mbUseExtension;
+    bool                mbUseExtension;
     sal_uInt32          mnDefaultGroup;
-    sal_uInt32          mnGroup;
     int                 mnEventBase;
     int                 mnErrorBase;
     Display*            mpDisplay;
diff --git a/vcl/inc/unx/printergfx.hxx b/vcl/inc/unx/printergfx.hxx
index f1fc5229ced3..a232d68de2f9 100644
--- a/vcl/inc/unx/printergfx.hxx
+++ b/vcl/inc/unx/printergfx.hxx
@@ -170,7 +170,6 @@ private:
     bool        mbColor;
     bool        mbUploadPS42Fonts;
 
-    osl::File*      mpPageHeader;
     osl::File*      mpPageBody;
 
     /* text/font related data, for a type1 font it has to be checked
diff --git a/vcl/inc/unx/saldisp.hxx b/vcl/inc/unx/saldisp.hxx
index d28326e389bb..31b11b470530 100644
--- a/vcl/inc/unx/saldisp.hxx
+++ b/vcl/inc/unx/saldisp.hxx
@@ -260,8 +260,6 @@ protected:
     SalXLib        *pXLib_;
     SalI18N_KeyboardExtension   *mpKbdExtension;
 
-    AttributeProvider           *mpFactory;
-
     Display        *pDisp_;             // X Display
 
     SalX11Screen                 m_nXDefaultScreen;
@@ -279,7 +277,6 @@ protected:
     // Keyboard
     bool            bNumLockFromXS_;    // Num Lock handled by X Server
     int             nNumLockIndex_;     // modifier index in modmap
-    int             nNumLockMask_;      // keyevent state mask for
     KeySym          nShiftKeySym_;      // first shift modifier
     KeySym          nCtrlKeySym_;       // first control modifier
     KeySym          nMod1KeySym_;       // first mod1 modifier
diff --git a/vcl/inc/unx/salframe.h b/vcl/inc/unx/salframe.h
index 4263581a979f..175b25a81bef 100644
--- a/vcl/inc/unx/salframe.h
+++ b/vcl/inc/unx/salframe.h
@@ -86,8 +86,6 @@ class VCLPLUG_GEN_PUBLIC X11SalFrame : public SalFrame, public NativeWindowHandl
     X11SalGraphics  *pGraphics_;            // current frame graphics
     X11SalGraphics  *pFreeGraphics_;        // first free frame graphics
 
-    sal_uInt16      nKeyCode_;          // last key code
-    sal_uInt16      nKeyState_;         // last key state
     bool            mbSendExtKeyModChange;
     ModKeyFlags     mnExtKeyMod;
 
@@ -114,7 +112,6 @@ class VCLPLUG_GEN_PUBLIC X11SalFrame : public SalFrame, public NativeWindowHandl
 
     // data for WMAdaptor
     WMWindowType    meWindowType;
-    int             mnDecorationFlags;
     bool            mbMaximizedVert;
     bool            mbMaximizedHorz;
     bool            mbShaded;
diff --git a/vcl/inc/window.h b/vcl/inc/window.h
index 0825ccfed464..c55f650b6e2b 100644
--- a/vcl/inc/window.h
+++ b/vcl/inc/window.h
@@ -264,7 +264,6 @@ public:
     WinBits             mnStyle;
     WinBits             mnPrevStyle;
     WinBits             mnExtendedStyle;
-    WinBits             mnPrevExtendedStyle;
     WindowType          mnType;
     ControlPart         mnNativeBackground;
     sal_uInt16          mnWaitCount;
@@ -309,7 +308,6 @@ public:
                         mbNoPtrVisible:1,
                         mbPaintFrame:1,
                         mbInPaint:1,
-                        mbMouseMove:1,
                         mbMouseButtonDown:1,
                         mbMouseButtonUp:1,
                         mbKeyInput:1,
diff --git a/vcl/qa/cppunit/wmf/wmfimporttest.cxx b/vcl/qa/cppunit/wmf/wmfimporttest.cxx
index ca9900c18ad9..4b9c46d51471 100644
--- a/vcl/qa/cppunit/wmf/wmfimporttest.cxx
+++ b/vcl/qa/cppunit/wmf/wmfimporttest.cxx
@@ -253,15 +253,11 @@ void WmfTest::testTdf99402()
     logfontw.lfHeight = 0;
     logfontw.lfWidth = 0;
     logfontw.lfEscapement = 0;
-    logfontw.lfOrientation = 0;
     logfontw.lfWeight = 0;
     logfontw.lfItalic = 0;
     logfontw.lfUnderline = 0;
     logfontw.lfStrikeOut = 0;
     logfontw.lfCharSet = OEM_CHARSET;
-    logfontw.lfOutPrecision = 0; // OUT_DEFAULT_PRECIS
-    logfontw.lfClipPrecision = 0; // CLIP_DEFAULT_PRECIS
-    logfontw.lfQuality = 0; // DEFAULT_QUALITY
     logfontw.lfPitchAndFamily = FF_ROMAN | DEFAULT_PITCH;
     logfontw.alfFaceName = "Symbol";
 
diff --git a/vcl/source/filter/wmf/enhwmf.cxx b/vcl/source/filter/wmf/enhwmf.cxx
index 22125d747dbe..0a22ab3762fd 100644
--- a/vcl/source/filter/wmf/enhwmf.cxx
+++ b/vcl/source/filter/wmf/enhwmf.cxx
@@ -1523,18 +1523,20 @@ bool EnhWMFReader::ReadEnhWMF()
                     if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 )
                     {
                         LOGFONTW aLogFont;
+                        sal_Int32 nTmp;
+                        unsigned char nTmp2;
                         pWMF->ReadInt32( aLogFont.lfHeight )
                              .ReadInt32( aLogFont.lfWidth )
                              .ReadInt32( aLogFont.lfEscapement )
-                             .ReadInt32( aLogFont.lfOrientation )
+                             .ReadInt32( nTmp ) // lfOrientation
                              .ReadInt32( aLogFont.lfWeight )
                              .ReadUChar( aLogFont.lfItalic )
                              .ReadUChar( aLogFont.lfUnderline )
                              .ReadUChar( aLogFont.lfStrikeOut )
                              .ReadUChar( aLogFont.lfCharSet )
-                             .ReadUChar( aLogFont.lfOutPrecision )
-                             .ReadUChar( aLogFont.lfClipPrecision )
-                             .ReadUChar( aLogFont.lfQuality )
+                             .ReadUChar( nTmp2 ) // lfOutPrecision
+                             .ReadUChar( nTmp2 ) // lfClipPrecision
+                             .ReadUChar( nTmp2 ) // lfQuality
                              .ReadUChar( aLogFont.lfPitchAndFamily );
 
                         sal_Unicode lfFaceName[LF_FACESIZE+1];
diff --git a/vcl/source/filter/wmf/winmtf.hxx b/vcl/source/filter/wmf/winmtf.hxx
index a10d5f158da2..ff7d3d5307e9 100644
--- a/vcl/source/filter/wmf/winmtf.hxx
+++ b/vcl/source/filter/wmf/winmtf.hxx
@@ -109,15 +109,11 @@ struct LOGFONTW
     sal_Int32       lfHeight;
     sal_Int32       lfWidth;
     sal_Int32       lfEscapement;
-    sal_Int32       lfOrientation;
     sal_Int32       lfWeight;
     sal_uInt8       lfItalic;
     sal_uInt8       lfUnderline;
     sal_uInt8       lfStrikeOut;
     sal_uInt8       lfCharSet;
-    sal_uInt8       lfOutPrecision;
-    sal_uInt8       lfClipPrecision;
-    sal_uInt8       lfQuality;
     sal_uInt8       lfPitchAndFamily;
     OUString        alfFaceName;
 };
@@ -692,7 +688,6 @@ private:
     sal_uInt32      nEMFSize;
 
     sal_uInt32      nSkipActions;
-    sal_uInt32      nCurrentAction;
 
     WMF_EXTERNALHEADER* pExternalHeader;
 
diff --git a/vcl/source/filter/wmf/winwmf.cxx b/vcl/source/filter/wmf/winwmf.cxx
index c1cd0901b5b1..b9d2f8d27615 100644
--- a/vcl/source/filter/wmf/winwmf.cxx
+++ b/vcl/source/filter/wmf/winwmf.cxx
@@ -912,6 +912,7 @@ void WMFReader::ReadRecordParams( sal_uInt16 nFunc )
             sal_Int16 lfWeight = 0;
 
             LOGFONTW aLogFont;
+            unsigned char nTmp;
             aFontSize = ReadYXExt();
             pWMF->ReadInt16( lfEscapement );
             pWMF->ReadInt16( lfOrientation );
@@ -920,16 +921,15 @@ void WMFReader::ReadRecordParams( sal_uInt16 nFunc )
             pWMF->ReadUChar( aLogFont.lfUnderline );
             pWMF->ReadUChar( aLogFont.lfStrikeOut );
             pWMF->ReadUChar( aLogFont.lfCharSet );
-            pWMF->ReadUChar( aLogFont.lfOutPrecision );
-            pWMF->ReadUChar( aLogFont.lfClipPrecision );
-            pWMF->ReadUChar( aLogFont.lfQuality );
+            pWMF->ReadUChar( nTmp ); // lfOutPrecision
+            pWMF->ReadUChar( nTmp ); // lfClipPrecision
+            pWMF->ReadUChar( nTmp ); // lfQuality
             pWMF->ReadUChar( aLogFont.lfPitchAndFamily );
             size_t nRet = pWMF->ReadBytes( lfFaceName, LF_FACESIZE );
             lfFaceName[nRet] = 0;
             aLogFont.lfWidth = aFontSize.Width();
             aLogFont.lfHeight = aFontSize.Height();
             aLogFont.lfEscapement = lfEscapement;
-            aLogFont.lfOrientation = lfOrientation;
             aLogFont.lfWeight = lfWeight;
 
             rtl_TextEncoding eCharSet;
@@ -1330,7 +1330,6 @@ void WMFReader::ReadWMF()
     sal_uLong   nPos, nPercent, nLastPercent;
 
     nSkipActions = 0;
-    nCurrentAction = 0;
 
     pEMFStream.reset();
     nEMFRecCount    = 0;
@@ -1355,7 +1354,6 @@ void WMFReader::ReadWMF()
            bool bEMFAvailable = false;
             while( true )
             {
-                nCurrentAction++;
                 nPercent = ( nPos - nStartPos ) * 100 / ( nEndPos - nStartPos );
 
                 if( nLastPercent + 4 <= nPercent )
@@ -1829,7 +1827,6 @@ WMFReader::WMFReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile,
     , nEMFRec(0)
     , nEMFSize(0)
     , nSkipActions(0)
-    , nCurrentAction(0)
     , pExternalHeader(pExtHeader)
 {}
 
diff --git a/vcl/source/fontsubset/cff.cxx b/vcl/source/fontsubset/cff.cxx
index f01bf6446305..d996ce7a1bcb 100644
--- a/vcl/source/fontsubset/cff.cxx
+++ b/vcl/source/fontsubset/cff.cxx
@@ -162,29 +162,6 @@ static const char* pDictEscs[] = {
     "nFDArray",             "nFDSelect",        "sFontName"
 };
 
-static const char* pType1Ops[] = {
-    nullptr,               "2hstem",           nullptr,               "2vstem",
-    "1vmoveto",         "Arlineto",         "1hlineto",         "1vlineto",
-    "Crrcurveto",       "0closepath",       "Lcallsubr",        "0return",
-    "xT1ESC",           "2hsbw",            "0endchar",         nullptr,
-    nullptr,               nullptr,               nullptr,               nullptr,
-    nullptr,               "2rmoveto",         "1hmoveto",         nullptr,
-    nullptr,               nullptr,               nullptr,               nullptr,
-    nullptr,               nullptr,               "4vhcurveto",       "4hvcurveto"
-};
-
-static const char* pT1EscOps[] = {
-    "0dotsection",      "6vstem3",          "6hstem3",          nullptr,
-    nullptr,               nullptr,               "5seac",            "4sbw",
-    nullptr,               "1abs",             "2add",             "2sub",
-    "2div",             nullptr,               nullptr,               nullptr,
-    "Gcallothersubr",   "1pop",             nullptr,               nullptr,
-    nullptr,               nullptr,               nullptr,               nullptr,
-    nullptr,               nullptr,               nullptr,               nullptr,
-    nullptr,               nullptr,               nullptr,               nullptr,
-    nullptr,               "2setcurrentpoint"
-};
-
 struct TYPE1OP
 {
     enum OPS
@@ -204,30 +181,6 @@ struct TYPE1OP
     };
 };
 
-static const char* pType2Ops[] = {
-    nullptr,           "hhstem",       nullptr,           "vvstem",
-    "mvmoveto",     "Arlineto",     "Ehlineto",     "Evlineto",
-    "Crrcurveto",   nullptr,           "Lcallsubr",    "Xreturn",
-    "xT2ESC",       nullptr,           "eendchar",     nullptr,
-    nullptr,           nullptr,           "Hhstemhm",     "Khintmask",
-    "Kcntrmask",    "Mrmoveto",     "mhmoveto",     "Vvstemhm",
-    ".rcurveline",  ".rlinecurve",  ".vvcurveto",   ".hhcurveto",
-    ".shortint",    "Gcallgsubr",   ".vhcurveto",   ".hvcurveto"
-};
-
-static const char* pT2EscOps[] = {
-    nullptr,       nullptr,       nullptr,       "2and",
-    "2or",      "1not",     nullptr,       nullptr,
-    nullptr,       "1abs",     "2add",     "2sub",
-    "2div",     nullptr,       "1neg",     "2eq",
-    nullptr,       nullptr,       "1drop",    nullptr,
-    "1put",     "1get",     "4ifelse",  "0random",
-    "2mul",     nullptr,       "1sqrt",    "1dup",
-    "2exch",    "Iindex",   "Rroll",    nullptr,
-    nullptr,       nullptr,       "7hflex",   "Fflex",
-    "9hflex1",  "fflex1"
-};
-
 struct TYPE2OP
 {
     enum OPS
@@ -257,13 +210,10 @@ struct CffGlobal
     explicit CffGlobal();
 
     int     mnNameIdxBase;
-    int     mnNameIdxCount;
     int     mnStringIdxBase;
-    int     mnStringIdxCount;
     bool    mbCIDFont;
     int     mnCharStrBase;
     int     mnCharStrCount;
-    int     mnEncodingBase;
     int     mnCharsetBase;
     int     mnGlobalSubrBase;
     int     mnGlobalSubrCount;
@@ -277,7 +227,6 @@ struct CffGlobal
 
     int     mnFontNameSID;
     int     mnFullNameSID;
-    int     mnFamilyNameSID;
 };
 
 struct CffLocal
@@ -326,8 +275,6 @@ public:
                 const sal_GlyphId* pGlyphIds, const U8* pEncoding,
                 GlyphWidth* pGlyphWidths, int nGlyphCount, FontSubsetInfo& );
 
-    // used by charstring converter
-    void    setCharStringType( int);
 protected:
     int     convert2Type1Ops( CffLocal*, const U8* pType2Ops, int nType2Len, U8* pType1Ops);
 private:
@@ -352,9 +299,6 @@ private:
     void    seekIndexEnd( int nIndexBase);
 
 private:
-    const char**    mpCharStringOps;
-    const char**    mpCharStringEscs;
-
     CffLocal    maCffLocal[256];
     CffLocal*   mpCffLocal;
 
@@ -415,8 +359,6 @@ CffSubsetterContext::CffSubsetterContext( const U8* pBasePtr, int nBaseLen)
     , mbNeedClose(false)
     , mbIgnoreHints(false)
     , mnCntrMask(0)
-    , mpCharStringOps(nullptr)
-    , mpCharStringEscs(nullptr)
     , mnStackIdx(0)
     , mnValStack{}
     , mnTransVals{}
@@ -484,15 +426,6 @@ void CffSubsetterContext::addHints( bool bVerticalHints)
     mnStackIdx = 0;
 }
 
-void CffSubsetterContext::setCharStringType( int nVal)
-{
-    switch( nVal) {
-        case 1: mpCharStringOps=pType1Ops; mpCharStringEscs=pT1EscOps; break;
-        case 2: mpCharStringOps=pType2Ops; mpCharStringEscs=pT2EscOps; break;
-        default: fprintf( stderr, "Unknown CharstringType=%d\n",nVal); break;
-    }
-}
-
 void CffSubsetterContext::readDictOp()
 {
     const U8 c = *mpReadPtr;
@@ -529,7 +462,7 @@ void CffSubsetterContext::readDictOp()
             case  10: mpCffLocal->maStemStdHW = nVal; break;    // "StdHW"
             case  11: mpCffLocal->maStemStdVW = nVal; break;    // "StdVW"
             case  15: mnCharsetBase = nInt; break;              // "charset"
-            case  16: mnEncodingBase = nInt; break;             // "nEncoding"
+            case  16: break;                                    // "nEncoding"
             case  17: mnCharStrBase = nInt; break;              // "nCharStrings"
             case  19: mpCffLocal->mnLocalSubrOffs = nInt; break;// "nSubrs"
             case  20: setDefaultWidth( nVal ); break;           // "defaultWidthX"
@@ -580,7 +513,7 @@ void CffSubsetterContext::readDictOp()
             nInt = popInt();
             switch( nOpId ) {
             case   2: mnFullNameSID = nInt; break;      // "FullName"
-            case   3: mnFamilyNameSID = nInt; break;    // "FamilyName"
+            case   3: break;    // "FamilyName"
             case 938: mnFontNameSID = nInt; break;      // "FontName"
             default: break; // TODO: handle more string dictops?
             }
@@ -599,7 +532,6 @@ void CffSubsetterContext::readDictOp()
             } break;
         case 't':   // CharstringType
             nInt = popInt();
-            setCharStringType( nInt );
             break;
         }
     } else if( (c >= 32) || (c == 28) ) {
@@ -1370,13 +1302,10 @@ CffLocal::CffLocal()
 
 CffGlobal::CffGlobal()
 :   mnNameIdxBase( 0)
-,   mnNameIdxCount( 0)
 ,   mnStringIdxBase( 0)
-,   mnStringIdxCount( 0)
 ,   mbCIDFont( false)
 ,   mnCharStrBase( 0)
 ,   mnCharStrCount( 0)
-,   mnEncodingBase( 0)
 ,   mnCharsetBase( 0)
 ,   mnGlobalSubrBase( 0)
 ,   mnGlobalSubrCount( 0)
@@ -1386,7 +1315,6 @@ CffGlobal::CffGlobal()
 ,   mnFDAryCount( 1)
 ,   mnFontNameSID( 0)
 ,   mnFullNameSID( 0)
-,   mnFamilyNameSID( 0)
 {
 }
 
@@ -1405,7 +1333,6 @@ bool CffSubsetterContext::initialCffRead()
     // prepare access to the NameIndex
     mnNameIdxBase = nHeaderSize;
     mpReadPtr = mpBasePtr + nHeaderSize;
-    mnNameIdxCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
     seekIndexEnd( mnNameIdxBase);
 
     // get the TopDict index
@@ -1422,7 +1349,6 @@ bool CffSubsetterContext::initialCffRead()
 
     // prepare access to the String index
     mnStringIdxBase =  getReadOfs();
-    mnStringIdxCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
     seekIndexEnd( mnStringIdxBase);
 
     // prepare access to the GlobalSubr index
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index 140b4903991f..bd46a9289057 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -1129,13 +1129,11 @@ PDFWriterImpl::PDFPage::PDFPage( PDFWriterImpl* pWriter, double nPageWidth, doub
         m_nPageHeight( nPageHeight ),
         m_eOrientation( eOrientation ),
         m_nPageObject( 0 ),  // invalid object number
-        m_nPageIndex( -1 ), // invalid index
         m_nStreamLengthObject( 0 ),
         m_nBeginStreamPos( 0 ),
         m_eTransition( PDFWriter::PageTransition::Regular ),
         m_nTransTime( 0 ),
-        m_nDuration( 0 ),
-        m_bHasWidgets( false )
+        m_nDuration( 0 )
 {
     // object ref must be only ever updated in emit()
     m_nPageObject = m_pWriter->createObject();
@@ -2259,7 +2257,6 @@ void PDFWriterImpl::newPage( double nPageWidth, double nPageHeight, PDFWriter::O
     endPage();
     m_nCurrentPage = m_aPages.size();
     m_aPages.push_back( PDFPage(this, nPageWidth, nPageHeight, eOrientation ) );
-    m_aPages.back().m_nPageIndex = m_nCurrentPage;
     m_aPages.back().beginStream();
 
     // setup global graphics state
@@ -13552,9 +13549,6 @@ sal_Int32 PDFWriterImpl::createControl( const PDFWriter::AnyWidget& rControl, sa
     // insert widget to page's annotation list
     m_aPages[ nPageNr ].m_aAnnotations.push_back( rNewWidget.m_nObject );
 
-    // mark page as having widgets
-    m_aPages[ nPageNr ].m_bHasWidgets = true;
-
     return nNewWidget;
 }
 
diff --git a/vcl/source/gdi/pdfwriter_impl.hxx b/vcl/source/gdi/pdfwriter_impl.hxx
index e356024106c9..50c7e157b29f 100644
--- a/vcl/source/gdi/pdfwriter_impl.hxx
+++ b/vcl/source/gdi/pdfwriter_impl.hxx
@@ -139,7 +139,6 @@ public:
         double                      m_nPageHeight;          // in inch/72
         PDFWriter::Orientation      m_eOrientation;
         sal_Int32                   m_nPageObject;
-        sal_Int32                   m_nPageIndex;
         std::vector<sal_Int32>      m_aStreamObjects;
         sal_Int32                   m_nStreamLengthObject;
         sal_uInt64                  m_nBeginStreamPos;
@@ -148,7 +147,6 @@ public:
         PDFWriter::PageTransition   m_eTransition;
         sal_uInt32                  m_nTransTime;
         sal_uInt32                  m_nDuration;
-        bool                        m_bHasWidgets;
 
         PDFPage( PDFWriterImpl* pWriter, double nPageWidth, double nPageHeight, PDFWriter::Orientation eOrientation );
         ~PDFPage();
diff --git a/vcl/source/gdi/pngread.cxx b/vcl/source/gdi/pngread.cxx
index 40d4085f56ff..9bebfb324d85 100644
--- a/vcl/source/gdi/pngread.cxx
+++ b/vcl/source/gdi/pngread.cxx
@@ -124,7 +124,6 @@ private:
     bool                mbzCodecInUse : 1;
     bool                mbStatus : 1;
     bool                mbIDAT : 1;         // true if finished with enough IDAT chunks
-    bool                mbGamma : 1;        // true if Gamma Correction available
     bool                mbpHYs : 1;         // true if physical size of pixel available
     bool                mbIgnoreGammaChunk : 1;
 
@@ -202,7 +201,6 @@ PNGReaderImpl::PNGReaderImpl( SvStream& rPNGStream )
     mbzCodecInUse   ( false ),
     mbStatus( true ),
     mbIDAT( false ),
-    mbGamma             ( false ),
     mbpHYs              ( false ),
     mbIgnoreGammaChunk  ( false ),
 #if OSL_DEBUG_LEVEL > 0
@@ -818,8 +816,6 @@ void PNGReaderImpl::ImplGetGamma()
 
     if ( fInvGamma != 1.0 )
     {
-        mbGamma = true;
-
         if ( mpColorTable == mpDefaultColorTable )
             mpColorTable = new sal_uInt8[ 256 ];
 
diff --git a/vcl/source/window/dockmgr.cxx b/vcl/source/window/dockmgr.cxx
index 1ee6bdc309a3..a0621c405345 100644
--- a/vcl/source/window/dockmgr.cxx
+++ b/vcl/source/window/dockmgr.cxx
@@ -420,7 +420,6 @@ tools::Rectangle DockingManager::GetPosSizePixel( const vcl::Window *pWindow )
 class ImplPopupFloatWin : public FloatingWindow
 {
 private:
-    ImplDockingWindowWrapper*   mpDockingWin;
     bool                        mbMoving;
     bool                        mbTrackingEnabled;
     Point                       maDelta;
@@ -428,9 +427,8 @@ private:
     void                        ImplSetBorder();
 
 public:
-    ImplPopupFloatWin( vcl::Window* pParent, ImplDockingWindowWrapper* pDockingWin, bool bHasGrip );
+    ImplPopupFloatWin( vcl::Window* pParent, bool bHasGrip );
     virtual ~ImplPopupFloatWin() override;
-    virtual void dispose() override;
 
     virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessible() override;
     virtual void        Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
@@ -448,12 +446,11 @@ public:
     bool                hasGrip() const { return mbHasGrip; }
 };
 
-ImplPopupFloatWin::ImplPopupFloatWin( vcl::Window* pParent, ImplDockingWindowWrapper* pDockingWin, bool bHasGrip ) :
+ImplPopupFloatWin::ImplPopupFloatWin( vcl::Window* pParent, bool bHasGrip ) :
     FloatingWindow( pParent, WB_NOBORDER | WB_SYSTEMWINDOW | WB_NOSHADOW )
 {
     mpWindowImpl->mbToolbarFloatingWindow = true;   // indicate window type, required for accessibility
                                                     // which should not see this window as a toplevel window
-    mpDockingWin = pDockingWin;
     mbMoving = false;
     mbTrackingEnabled = false;
     mbHasGrip = bHasGrip;
@@ -466,12 +463,6 @@ ImplPopupFloatWin::~ImplPopupFloatWin()
     disposeOnce();
 }
 
-void ImplPopupFloatWin::dispose()
-{
-    mpDockingWin = nullptr;
-    FloatingWindow::dispose();
-}
-
 css::uno::Reference< css::accessibility::XAccessible > ImplPopupFloatWin::CreateAccessible()
 {
     // switch off direct accessibility support for this window
@@ -965,7 +956,7 @@ void ImplDockingWindowWrapper::StartPopupMode( ToolBox *pParentToolBox, FloatWin
     if ( bUseStdPopup )
         pWin = VclPtr<FloatingWindow>::Create( mpParent, WB_STDPOPUP );
     else
-        pWin = VclPtr<ImplPopupFloatWin>::Create( mpParent, this, bAllowTearOff );
+        pWin = VclPtr<ImplPopupFloatWin>::Create( mpParent, bAllowTearOff );
     pWin->SetPopupModeEndHdl( LINK( this, ImplDockingWindowWrapper, PopupModeEnd ) );
     pWin->SetText( GetWindow()->GetText() );
 
diff --git a/vcl/source/window/menubarwindow.cxx b/vcl/source/window/menubarwindow.cxx
index bbc2c702928c..3e1f88c0578a 100644
--- a/vcl/source/window/menubarwindow.cxx
+++ b/vcl/source/window/menubarwindow.cxx
@@ -1120,7 +1120,6 @@ sal_uInt16 MenuBarWindow::AddMenuBarButton( const Image& i_rImage, const Link<Me
     } while( it != m_aAddButtons.end() && nId < 128 );
     SAL_WARN_IF( nId >= 128, "vcl", "too many addbuttons in menubar" );
     AddButtonEntry& rNewEntry = m_aAddButtons[nId];
-    rNewEntry.m_nId = nId;
     rNewEntry.m_aSelectLink = i_rLink;
     aCloseBtn->InsertItem(nId, i_rImage, ToolBoxItemBits::NONE, 0);
     aCloseBtn->calcMinSize();
diff --git a/vcl/source/window/menubarwindow.hxx b/vcl/source/window/menubarwindow.hxx
index e1e3d36cb8b9..da097587cbf3 100644
--- a/vcl/source/window/menubarwindow.hxx
+++ b/vcl/source/window/menubarwindow.hxx
@@ -63,11 +63,8 @@ class MenuBarWindow : public vcl::Window, public MenuWindow
 private:
     struct AddButtonEntry
     {
-        sal_uInt16    m_nId;
         Link<MenuBar::MenuBarButtonCallbackArg&,bool>  m_aSelectLink;
         Link<MenuBar::MenuBarButtonCallbackArg&,bool>  m_aHighlightLink;
-
-        AddButtonEntry() : m_nId( 0 ) {}
     };
 
     VclPtr<Menu>           pMenu;
diff --git a/vcl/source/window/menufloatingwindow.cxx b/vcl/source/window/menufloatingwindow.cxx
index 5852b1980505..a30653f1c6cb 100644
--- a/vcl/source/window/menufloatingwindow.cxx
+++ b/vcl/source/window/menufloatingwindow.cxx
@@ -38,7 +38,6 @@ MenuFloatingWindow::MenuFloatingWindow( Menu* pMen, vcl::Window* pParent, WinBit
     nMBDownPos          = ITEMPOS_INVALID;
     nPosInParent        = ITEMPOS_INVALID;
     nScrollerHeight     = 0;
-    nBorder             = EXTRASPACEY;
     nFirstEntry         = 0;
     bScrollUp           = false;
     bScrollDown         = false;
diff --git a/vcl/source/window/menufloatingwindow.hxx b/vcl/source/window/menufloatingwindow.hxx
index d53a92964fe3..a65c3fbfb172 100644
--- a/vcl/source/window/menufloatingwindow.hxx
+++ b/vcl/source/window/menufloatingwindow.hxx
@@ -46,7 +46,6 @@ private:
     sal_uInt16 nMBDownPos;
     sal_uInt16 nScrollerHeight;
     sal_uInt16 nFirstEntry;
-    sal_uInt16 nBorder;
     sal_uInt16 nPosInParent;
 
     bool bInExecute : 1;
diff --git a/vcl/source/window/mouse.cxx b/vcl/source/window/mouse.cxx
index 9f258feb7362..4f1fe06782b6 100644
--- a/vcl/source/window/mouse.cxx
+++ b/vcl/source/window/mouse.cxx
@@ -406,8 +406,7 @@ void Window::ImplGrabFocusToDocument( GetFocusFlags nFlags )
 void Window::MouseMove( const MouseEvent& rMEvt )
 {
     NotifyEvent aNEvt( MouseNotifyEvent::MOUSEMOVE, this, &rMEvt );
-    if (!EventNotify(aNEvt))
-        mpWindowImpl->mbMouseMove = true;
+    EventNotify(aNEvt);
 }
 
 void Window::MouseButtonDown( const MouseEvent& rMEvt )
diff --git a/vcl/source/window/toolbox.cxx b/vcl/source/window/toolbox.cxx
index 11b32886232a..69f1b604de1b 100644
--- a/vcl/source/window/toolbox.cxx
+++ b/vcl/source/window/toolbox.cxx
@@ -93,7 +93,6 @@ private:
     Accelerator     maAccel;
     sal_uInt16      mnLineMode;
     ToolBox::ImplToolItems::size_type mnStartLines;
-    bool            mbShowDragRect;
 
     ImplTBDragMgr(const ImplTBDragMgr&) = delete;
     ImplTBDragMgr& operator=(const ImplTBDragMgr&) = delete;
@@ -1036,7 +1035,6 @@ ImplTBDragMgr::ImplTBDragMgr()
     : mpDragBox(nullptr)
     , mnLineMode(0)
     , mnStartLines(0)
-    , mbShowDragRect(false)
 {
     maAccel.InsertItem( KEY_RETURN, vcl::KeyCode( KEY_RETURN ) );
     maAccel.InsertItem( KEY_ESCAPE, vcl::KeyCode( KEY_ESCAPE ) );
@@ -1060,7 +1058,6 @@ void ImplTBDragMgr::StartDragging( ToolBox* pToolBox,
     maMouseOff.Y() = rRect.Top() - rPos.Y();
     maRect = rRect;
     maStartRect = rRect;
-    mbShowDragRect = true;
     pToolBox->ShowTracking( maRect );
 }
 
@@ -1080,7 +1077,6 @@ void ImplTBDragMgr::EndDragging( bool bOK )
     if (mpDragBox->IsMouseCaptured())
         mpDragBox->ReleaseMouse();
     mpDragBox->mbDragging = false;
-    mbShowDragRect = false;
     Application::RemoveAccel( &maAccel );
 
     if ( !bOK )
diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
index eb5e72e6d30b..19fcebba9c48 100644
--- a/vcl/source/window/window.cxx
+++ b/vcl/source/window/window.cxx
@@ -643,7 +643,6 @@ WindowImpl::WindowImpl( WindowType nType )
     mnStyle                             = 0;                         // style (init in ImplInitWindow)
     mnPrevStyle                         = 0;                         // prevstyle (set in SetStyle)
     mnExtendedStyle                     = 0;                         // extended style (init in ImplInitWindow)
-    mnPrevExtendedStyle                 = 0;                         // prevstyle (set in SetExtendedStyle)
     mnType                              = nType;                     // type
     mnGetFocusFlags                     = GetFocusFlags::NONE;       // Flags fuer GetFocus()-Aufruf
     mnWaitCount                         = 0;                         // Wait-Count (>1 == Warte-MousePointer)
@@ -690,7 +689,6 @@ WindowImpl::WindowImpl( WindowType nType )
     mbInInitShow                        = false;                     // true: we are in InitShow
     mbChildPtrOverwrite                 = false;                     // true: PointerStyle overwrites Child-Pointer
     mbNoPtrVisible                      = false;                     // true: ShowPointer( false ) called
-    mbMouseMove                         = false;                     // true: BaseMouseMove called
     mbPaintFrame                        = false;                     // true: Paint is visible, but not painted
     mbInPaint                           = false;                     // true: Inside PaintHdl
     mbMouseButtonDown                   = false;                     // true: BaseMouseButtonDown called
@@ -2001,7 +1999,6 @@ void Window::SetExtendedStyle( WinBits nExtendedStyle )
 
             pWindow->ImplGetFrame()->SetExtendedFrameStyle( nExt );
         }
-        mpWindowImpl->mnPrevExtendedStyle = mpWindowImpl->mnExtendedStyle;
         mpWindowImpl->mnExtendedStyle = nExtendedStyle;
         CompatStateChanged( StateChangedType::ExtendedStyle );
     }
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index ba0d133ec0a9..a892734d97d2 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -680,7 +680,6 @@ bool ImplHandleMouseEvent( const VclPtr<vcl::Window>& xWindow, MouseNotifyEvent
                     // if the MouseMove handler changes the help window's visibility
                     // the HelpRequest handler should not be called anymore
                     vcl::Window* pOldHelpTextWin = pSVData->maHelpData.mpHelpWin;
-                    pChild->ImplGetWindowImpl()->mbMouseMove = false;
                     pChild->MouseMove( aMEvt );
                     if ( pOldHelpTextWin != pSVData->maHelpData.mpHelpWin )
                         bCallHelpRequest = false;
diff --git a/vcl/unx/generic/app/i18n_cb.cxx b/vcl/unx/generic/app/i18n_cb.cxx
index f291e2b6bf1b..9b8a51a693f3 100644
--- a/vcl/unx/generic/app/i18n_cb.cxx
+++ b/vcl/unx/generic/app/i18n_cb.cxx
@@ -45,7 +45,6 @@ PreeditStartCallback ( XIC, XPointer client_data, XPointer )
     if ( pPreeditData->eState == PreeditStatus::ActivationRequired )
     {
         pPreeditData->eState = PreeditStatus::Active;
-        pPreeditData->aText.nCursorPos = 0;
         pPreeditData->aText.nLength    = 0;
     }
 
diff --git a/vcl/unx/generic/app/i18n_ic.cxx b/vcl/unx/generic/app/i18n_ic.cxx
index 2532e9f8b094..ec2f1a5fbf7d 100644
--- a/vcl/unx/generic/app/i18n_ic.cxx
+++ b/vcl/unx/generic/app/i18n_ic.cxx
@@ -182,7 +182,6 @@ SalI18N_InputContext::SalI18N_InputContext ( SalFrame *pFrame ) :
         maClientData.aText.pCharStyle       =
             static_cast<XIMFeedback*>(malloc(PREEDIT_BUFSZ * sizeof(XIMFeedback)));
         maClientData.aText.nSize            = PREEDIT_BUFSZ;
-        maClientData.aText.nCursorPos       = 0;
         maClientData.aText.nLength          = 0;
 
         // Status attributes
diff --git a/vcl/unx/generic/app/i18n_status.cxx b/vcl/unx/generic/app/i18n_status.cxx
index 40c89dd83519..7e59021a031b 100644
--- a/vcl/unx/generic/app/i18n_status.cxx
+++ b/vcl/unx/generic/app/i18n_status.cxx
@@ -81,7 +81,6 @@ class XIMStatusWindow : public StatusWindow
 
     // for delayed showing
     bool                    m_bDelayedShow;
-    I18NStatus::ShowReason  m_eDelayedReason;
     ImplSVEvent *           m_nDelayedEvent;
     // for toggling
     bool                    m_bOn;
@@ -113,7 +112,6 @@ XIMStatusWindow::XIMStatusWindow( bool bOn ) :
         m_pLastParent( nullptr ),
         m_bAnchoredAtRight( false ),
         m_bDelayedShow( false ),
-        m_eDelayedReason( I18NStatus::contextmap ),
         m_nDelayedEvent( nullptr ),
         m_bOn( bOn )
 {
@@ -276,13 +274,12 @@ IMPL_LINK_NOARG(XIMStatusWindow, DelayedShowHdl, void*, void)
     }
 }
 
-void XIMStatusWindow::show( bool bShow, I18NStatus::ShowReason eReason )
+void XIMStatusWindow::show( bool bShow, I18NStatus::ShowReason )
 {
     if( bShow && m_aStatusText->GetText().isEmpty() )
         bShow = false;
 
     m_bDelayedShow = bShow;
-    m_eDelayedReason = eReason;
     if( ! m_nDelayedEvent )
         m_nDelayedEvent = Application::PostUserEvent( LINK( this, XIMStatusWindow, DelayedShowHdl ), nullptr, true );
 }
diff --git a/vcl/unx/generic/app/i18n_xkb.cxx b/vcl/unx/generic/app/i18n_xkb.cxx
index 79739be87249..16dbc6067543 100644
--- a/vcl/unx/generic/app/i18n_xkb.cxx
+++ b/vcl/unx/generic/app/i18n_xkb.cxx
@@ -28,7 +28,6 @@
 SalI18N_KeyboardExtension::SalI18N_KeyboardExtension( Display* pDisplay )
     : mbUseExtension(true)
     , mnDefaultGroup(0)
-    , mnGroup(0)
     , mnEventBase(0)
     , mnErrorBase(0)
     , mpDisplay(pDisplay)
@@ -78,7 +77,6 @@ SalI18N_KeyboardExtension::SalI18N_KeyboardExtension( Display* pDisplay )
     {
         XkbStateRec aStateRecord;
         XkbGetState( mpDisplay, XkbUseCoreKbd, &aStateRecord );
-        mnGroup = aStateRecord.group;
     }
 }
 
@@ -96,8 +94,6 @@ SalI18N_KeyboardExtension::Dispatch( XEvent* pEvent )
     switch ( nXKBType )
     {
         case XkbStateNotify:
-
-            mnGroup = reinterpret_cast<XkbStateNotifyEvent*>(pEvent)->group;
             break;
 
         default:
diff --git a/vcl/unx/generic/app/saldisp.cxx b/vcl/unx/generic/app/saldisp.cxx
index 59b9069a578c..9d64d665648a 100644
--- a/vcl/unx/generic/app/saldisp.cxx
+++ b/vcl/unx/generic/app/saldisp.cxx
@@ -277,14 +277,12 @@ bool SalDisplay::BestVisual( Display     *pDisplay,
 SalDisplay::SalDisplay( Display *display ) :
         pXLib_( nullptr ),
         mpKbdExtension( nullptr ),
-        mpFactory( nullptr ),
         pDisp_( display ),
         m_nXDefaultScreen( 0 ),
         nMaxRequestSize_( 0 ),
         meServerVendor( vendor_unknown ),
         bNumLockFromXS_( false ),
         nNumLockIndex_( 0 ),
-        nNumLockMask_( 0 ),
         nShiftKeySym_( 0 ),
         nCtrlKeySym_( 0 ),
         nMod1KeySym_( 0 ),
@@ -580,7 +578,6 @@ void SalDisplay::Init()
     for( Cursor & aCsr : aPointerCache_ )
         aCsr = None;
 
-    mpFactory           = nullptr;
     m_bXinerama         = false;
 
     int nDisplayScreens = ScreenCount( pDisp_ );
@@ -805,7 +802,6 @@ void SalDisplay::ModifierMapping()
             {
                 bNumLockFromXS_ = False;
                 nNumLockIndex_  = i;
-                nNumLockMask_   = 1<<i;
                 break;
             }
         }
diff --git a/vcl/unx/generic/app/wmadaptor.cxx b/vcl/unx/generic/app/wmadaptor.cxx
index 7b4cc062f854..85152168aa3c 100644
--- a/vcl/unx/generic/app/wmadaptor.cxx
+++ b/vcl/unx/generic/app/wmadaptor.cxx
@@ -1261,7 +1261,6 @@ void GnomeWMAdaptor::setGnomeWMState( X11SalFrame* pFrame ) const
 void WMAdaptor::setFrameTypeAndDecoration( X11SalFrame* pFrame, WMWindowType eType, int nDecorationFlags, X11SalFrame* pReferenceFrame ) const
 {
     pFrame->meWindowType        = eType;
-    pFrame->mnDecorationFlags   = nDecorationFlags;
 
     if( ! pFrame->mbFullScreen )
     {
diff --git a/vcl/unx/generic/dtrans/X11_selection.cxx b/vcl/unx/generic/dtrans/X11_selection.cxx
index aac753a6da74..0d3b58ee49cb 100644
--- a/vcl/unx/generic/dtrans/X11_selection.cxx
+++ b/vcl/unx/generic/dtrans/X11_selection.cxx
@@ -221,7 +221,6 @@ SelectionManager::SelectionManager() :
         m_nLastDropAction( 0 ),
         m_nLastX( 0 ),
         m_nLastY( 0 ),
-        m_nDropTimestamp( 0 ),
         m_bDropWaitingForCompletion( false ),
         m_aDropWindow( None ),
         m_aDropProxy( None ),
@@ -241,21 +240,18 @@ SelectionManager::SelectionManager() :
         m_bDropSent( false ),
         m_nDropTimeout( 0 ),
         m_bWaitingForPrimaryConversion( false ),
-        m_nDragTimestamp( None ),
         m_aMoveCursor( None ),
         m_aCopyCursor( None ),
         m_aLinkCursor( None ),
         m_aNoneCursor( None ),
         m_aCurrentCursor( None ),
         m_nCurrentProtocolVersion( nXdndProtocolRevision ),
-        m_nCLIPBOARDAtom( None ),
         m_nTARGETSAtom( None ),
         m_nTIMESTAMPAtom( None ),
         m_nTEXTAtom( None ),
         m_nINCRAtom( None ),
         m_nCOMPOUNDAtom( None ),
         m_nMULTIPLEAtom( None ),
-        m_nUTF16Atom( None ),
         m_nImageBmpAtom( None ),
         m_nXdndAware( None ),
         m_nXdndEnter( None ),
@@ -271,7 +267,6 @@ SelectionManager::SelectionManager() :
         m_nXdndActionMove( None ),
         m_nXdndActionLink( None ),
         m_nXdndActionAsk( None ),
-        m_nXdndActionPrivate( None ),
         m_bShutDown( false )
 {
     memset(&m_aDropEnterEvent, 0, sizeof(m_aDropEnterEvent));
@@ -361,9 +356,6 @@ void SelectionManager::initialize( const Sequence< Any >& arguments )
 #ifdef SYNCHRONIZE
             XSynchronize( m_pDisplay, True );
 #endif
-            // clipboard selection
-            m_nCLIPBOARDAtom    = getAtom( "CLIPBOARD" );
-
             // special targets
             m_nTARGETSAtom      = getAtom( "TARGETS" );
             m_nTIMESTAMPAtom    = getAtom( "TIMESTAMP" );
@@ -371,7 +363,6 @@ void SelectionManager::initialize( const Sequence< Any >& arguments )
             m_nINCRAtom         = getAtom( "INCR" );
             m_nCOMPOUNDAtom     = getAtom( "COMPOUND_TEXT" );
             m_nMULTIPLEAtom     = getAtom( "MULTIPLE" );
-            m_nUTF16Atom        = getAtom( "ISO10646-1" );
             m_nImageBmpAtom     = getAtom( "image/bmp" );
 
             // Atoms for Xdnd protocol
@@ -389,7 +380,6 @@ void SelectionManager::initialize( const Sequence< Any >& arguments )
             m_nXdndActionMove   = getAtom( "XdndActionMove" );
             m_nXdndActionLink   = getAtom( "XdndActionLink" );
             m_nXdndActionAsk    = getAtom( "XdndActionAsk" );
-            m_nXdndActionPrivate= getAtom( "XdndActionPrivate" );
 
             // initialize map with member none
             m_aAtomToString[ 0 ]= "None";
@@ -2143,8 +2133,6 @@ bool SelectionManager::handleDropEvent( XClientMessageEvent& rMessage )
         {
             bHandled = true;
             m_nDropTime = m_nCurrentProtocolVersion > 0 ? rMessage.data.l[3] : CurrentTime;
-            if( ! m_bDropEnterSent )
-                m_nDropTimestamp = m_nDropTime;
 
             ::Window aChild;
             XTranslateCoordinates( m_pDisplay,
@@ -2623,7 +2611,6 @@ bool SelectionManager::handleDragEvent( XEvent& rMessage )
         int root_x  = rMessage.type == MotionNotify ? rMessage.xmotion.x_root : rMessage.xcrossing.x_root;
         int root_y  = rMessage.type == MotionNotify ? rMessage.xmotion.y_root : rMessage.xcrossing.y_root;
         ::Window root = rMessage.type == MotionNotify ? rMessage.xmotion.root : rMessage.xcrossing.root;
-        m_nDragTimestamp = rMessage.type == MotionNotify ? rMessage.xmotion.time : rMessage.xcrossing.time;
 
         aGuard.clear();
         if( rMessage.type == MotionNotify )
@@ -3830,7 +3817,6 @@ void SelectionManager::registerHandler( Atom selection, SelectionAdaptor& rAdapt
 
     Selection* pNewSelection    = new Selection();
     pNewSelection->m_pAdaptor   = &rAdaptor;
-    pNewSelection->m_aAtom      = selection;
     m_aSelections[ selection ]  = pNewSelection;
 }
 
diff --git a/vcl/unx/generic/dtrans/X11_selection.hxx b/vcl/unx/generic/dtrans/X11_selection.hxx
index 550e24a31a9f..1aac1ab253a4 100644
--- a/vcl/unx/generic/dtrans/X11_selection.hxx
+++ b/vcl/unx/generic/dtrans/X11_selection.hxx
@@ -182,7 +182,6 @@ namespace x11 {
 
             State                       m_eState;
             SelectionAdaptor*           m_pAdaptor;
-            Atom                        m_aAtom;
             ::osl::Condition            m_aDataArrived;
             css::uno::Sequence< sal_Int8 > m_aData;
             css::uno::Sequence< css::datatransfer::DataFlavor >
@@ -206,7 +205,6 @@ namespace x11 {
 
             Selection() : m_eState( Inactive ),
                           m_pAdaptor( nullptr ),
-                          m_aAtom( None ),
                           m_aRequestedType( None ),
                           m_nLastTimestamp( 0 ),
                           m_bHaveUTF16( false ),
@@ -273,7 +271,6 @@ namespace x11 {
         css::uno::Reference< css::datatransfer::XTransferable >
                                     m_xDropTransferable;
         int                         m_nLastX, m_nLastY;
-        Time                        m_nDropTimestamp;
         // set to true when calling drop()
         // if another XdndEnter is received this shows that
         // someone forgot to call dropComplete - we should reset
@@ -308,7 +305,6 @@ namespace x11 {
         bool                        m_bDropSent;
         time_t                      m_nDropTimeout;
         bool                        m_bWaitingForPrimaryConversion;
-        Time                        m_nDragTimestamp;
 
         // drag cursors
         Cursor                      m_aMoveCursor;
@@ -324,14 +320,12 @@ namespace x11 {
                                     m_aDropTargets;
 
         // some special atoms that are needed often
-        Atom                        m_nCLIPBOARDAtom;
         Atom                        m_nTARGETSAtom;
         Atom                        m_nTIMESTAMPAtom;
         Atom                        m_nTEXTAtom;
         Atom                        m_nINCRAtom;
         Atom                        m_nCOMPOUNDAtom;
         Atom                        m_nMULTIPLEAtom;
-        Atom                        m_nUTF16Atom;
         Atom                        m_nImageBmpAtom;
         Atom                        m_nXdndAware;
         Atom                        m_nXdndEnter;
@@ -347,7 +341,6 @@ namespace x11 {
         Atom                        m_nXdndActionMove;
         Atom                        m_nXdndActionLink;
         Atom                        m_nXdndActionAsk;
-        Atom                        m_nXdndActionPrivate;
 
         // caching for atoms
         std::unordered_map< Atom, OUString >
diff --git a/vcl/unx/generic/glyphs/freetype_glyphcache.cxx b/vcl/unx/generic/glyphs/freetype_glyphcache.cxx
index c4341fe27176..8ff1c72c8835 100644
--- a/vcl/unx/generic/glyphs/freetype_glyphcache.cxx
+++ b/vcl/unx/generic/glyphs/freetype_glyphcache.cxx
@@ -380,7 +380,6 @@ FreetypeFont::FreetypeFont( const FontSelectPattern& rFSD, FreetypeFontInfo* pFI
     mbFaceOk( false ),
     mbArtItalic( false ),
     mbArtBold( false ),
-    mbUseGamma( false ),
     mpHbFont( nullptr )
 {
     // TODO: move update of mpFontInstance into FontEntry class when
@@ -432,20 +431,6 @@ FreetypeFont::FreetypeFont( const FontSelectPattern& rFSD, FreetypeFontInfo* pFI
 
     mbArtItalic = (rFSD.GetItalic() != ITALIC_NONE && pFI->GetFontAttributes().GetItalic() == ITALIC_NONE);
     mbArtBold = (rFSD.GetWeight() > WEIGHT_MEDIUM && pFI->GetFontAttributes().GetWeight() <= WEIGHT_MEDIUM);
-    if( mbArtBold )
-    {
-        //static const int TT_CODEPAGE_RANGE_874  = (1L << 16); // Thai
-        //static const int TT_CODEPAGE_RANGE_932  = (1L << 17); // JIS/Japan
-        //static const int TT_CODEPAGE_RANGE_936  = (1L << 18); // Chinese: Simplified
-        //static const int TT_CODEPAGE_RANGE_949  = (1L << 19); // Korean Wansung
-        //static const int TT_CODEPAGE_RANGE_950  = (1L << 20); // Chinese: Traditional
-        //static const int TT_CODEPAGE_RANGE_1361 = (1L << 21); // Korean Johab
-        static const int TT_CODEPAGE_RANGES1_CJKT = 0x3F0000; // all of the above
-        const TT_OS2* pOs2 = static_cast<const TT_OS2*>(FT_Get_Sfnt_Table( maFaceFT, ft_sfnt_os2 ));
-        if ((pOs2) && (pOs2->ulCodePageRange1 & TT_CODEPAGE_RANGES1_CJKT )
-        && rFSD.mnHeight < 20)
-        mbUseGamma = true;
-    }
 
     if( ((mnCos != 0) && (mnSin != 0)) || (mnPrioEmbedded <= 0) )
         mnLoadFlags |= FT_LOAD_NO_BITMAP;
diff --git a/vcl/unx/generic/print/common_gfx.cxx b/vcl/unx/generic/print/common_gfx.cxx
index b06767308b7a..9b9f5dd8abb8 100644
--- a/vcl/unx/generic/print/common_gfx.cxx
+++ b/vcl/unx/generic/print/common_gfx.cxx
@@ -55,7 +55,6 @@ GraphicsStatus::GraphicsStatus() :
 void
 PrinterGfx::Init (PrinterJob &rPrinterJob)
 {
-    mpPageHeader = rPrinterJob.GetCurrentPageHeader ();
     mpPageBody   = rPrinterJob.GetCurrentPageBody ();
     mnDepth      = rPrinterJob.GetDepth ();
     mnPSLevel    = rPrinterJob.GetPostscriptLevel ();
@@ -70,7 +69,6 @@ PrinterGfx::Init (PrinterJob &rPrinterJob)
 void
 PrinterGfx::Init (const JobData& rData)
 {
-    mpPageHeader    = nullptr;
     mpPageBody      = nullptr;
     mnDepth         = rData.m_nColorDepth;
     mnPSLevel       = rData.m_nPSLevel ? rData.m_nPSLevel : (rData.m_pParser ? rData.m_pParser->getLanguageLevel() : 2 );
@@ -92,7 +90,6 @@ PrinterGfx::PrinterGfx()
     , mnPSLevel(0)
     , mbColor(false)
     , mbUploadPS42Fonts(false)
-    , mpPageHeader(nullptr)
     , mpPageBody(nullptr)
     , mnFontID(0)
     , mnTextAngle(0)
@@ -116,7 +113,6 @@ PrinterGfx::~PrinterGfx()
 void
 PrinterGfx::Clear()
 {
-    mpPageHeader                    = nullptr;
     mpPageBody                      = nullptr;
     mnFontID                        = 0;
     maVirtualStatus                 = GraphicsStatus();
diff --git a/vcl/unx/generic/print/genprnpsp.cxx b/vcl/unx/generic/print/genprnpsp.cxx
index 4674ae771182..bef1a71fea1d 100644
--- a/vcl/unx/generic/print/genprnpsp.cxx
+++ b/vcl/unx/generic/print/genprnpsp.cxx
@@ -524,7 +524,7 @@ SalGraphics* PspSalInfoPrinter::AcquireGraphics()
     if( ! m_pGraphics )
     {
         m_pGraphics = GetGenericInstance()->CreatePrintGraphics();
-        m_pGraphics->Init(&m_aJobData, &m_aPrinterGfx, this);
+        m_pGraphics->Init(&m_aJobData, &m_aPrinterGfx);
         pRet = m_pGraphics;
     }
     return pRet;
@@ -943,7 +943,7 @@ SalGraphics* PspSalPrinter::StartPage( ImplJobSetup* pJobSetup, bool )
 
     JobData::constructFromStreamBuffer( pJobSetup->GetDriverData(), pJobSetup->GetDriverDataLen(), m_aJobData );
     m_pGraphics = GetGenericInstance()->CreatePrintGraphics();
-    m_pGraphics->Init(&m_aJobData, &m_aPrinterGfx, m_pInfoPrinter);
+    m_pGraphics->Init(&m_aJobData, &m_aPrinterGfx);
 
     if( m_nCopies > 1 )
     {
diff --git a/vcl/unx/generic/print/genpspgraphics.cxx b/vcl/unx/generic/print/genpspgraphics.cxx
index ed50638a45b4..6e30a1da8591 100644
--- a/vcl/unx/generic/print/genpspgraphics.cxx
+++ b/vcl/unx/generic/print/genpspgraphics.cxx
@@ -243,20 +243,16 @@ SalPrinterBmp::GetPixelIdx (sal_uInt32 nRow, sal_uInt32 nColumn) const
 
 GenPspGraphics::GenPspGraphics()
     : m_pJobData( nullptr ),
-      m_pPrinterGfx( nullptr ),
-      m_bFontVertical( false ),
-      m_pInfoPrinter( nullptr )
+      m_pPrinterGfx( nullptr )
 {
     for(FreetypeFont* & rp : m_pFreetypeFont)
         rp = nullptr;
 }
 
-void GenPspGraphics::Init(psp::JobData* pJob, psp::PrinterGfx* pGfx,
-                           SalInfoPrinter* pInfoPrinter)
+void GenPspGraphics::Init(psp::JobData* pJob, psp::PrinterGfx* pGfx)
 {
     m_pJobData = pJob;
     m_pPrinterGfx = pGfx;
-    m_pInfoPrinter = pInfoPrinter;
     SetLayout( SalLayoutFlags::NONE );
 }
 
@@ -651,7 +647,6 @@ void GenPspGraphics::SetFont( FontSelectPattern *pEntry, int nFallbackLevel )
     }
 
     // also set the serverside font for layouting
-    m_bFontVertical = pEntry->mbVertical;
     if( pEntry->mpFontData )
     {
         // requesting a font provided by builtin rasterizer
diff --git a/vcl/unx/generic/print/glyphset.cxx b/vcl/unx/generic/print/glyphset.cxx
index 580766b44b0a..ed7f626ab7fe 100644
--- a/vcl/unx/generic/print/glyphset.cxx
+++ b/vcl/unx/generic/print/glyphset.cxx
@@ -51,7 +51,6 @@ GlyphSet::GlyphSet (sal_Int32 nFontID, bool bVertical)
     PrintFontManager &rMgr = PrintFontManager::get();
     maBaseName          = OUStringToOString (rMgr.getPSName(mnFontID),
                                            RTL_TEXTENCODING_ASCII_US);
-    mnBaseEncoding      = rMgr.getFontEncoding(mnFontID);
 }
 
 GlyphSet::~GlyphSet ()
diff --git a/vcl/unx/generic/print/glyphset.hxx b/vcl/unx/generic/print/glyphset.hxx
index c7b023cc2610..4b47f6fdd442 100644
--- a/vcl/unx/generic/print/glyphset.hxx
+++ b/vcl/unx/generic/print/glyphset.hxx
@@ -43,7 +43,6 @@ private:
     sal_Int32           mnFontID;
     bool                mbVertical;
     OString             maBaseName;
-    rtl_TextEncoding    mnBaseEncoding;
 
     typedef std::unordered_map< sal_GlyphId, sal_uInt8 > glyph_map_t;
     typedef std::list< glyph_map_t > glyph_list_t;
diff --git a/vcl/unx/generic/window/salframe.cxx b/vcl/unx/generic/window/salframe.cxx
index 24232b5800b8..0988307119c3 100644
--- a/vcl/unx/generic/window/salframe.cxx
+++ b/vcl/unx/generic/window/salframe.cxx
@@ -837,8 +837,6 @@ X11SalFrame::X11SalFrame( SalFrame *pParent, SalFrameStyleFlags nSalFrameStyle,
     hCursor_                    = None;
     nCaptured_                  = 0;
 
-    nKeyCode_                   = 0;
-    nKeyState_                  = 0;
     mbSendExtKeyModChange       = false;
     mnExtKeyMod                 = ModKeyFlags::NONE;
 
@@ -868,7 +866,6 @@ X11SalFrame::X11SalFrame( SalFrame *pParent, SalFrameStyleFlags nSalFrameStyle,
     maAlwaysOnTopRaiseTimer.SetDebugName( "vcl::X11SalFrame maAlwaysOnTopRaiseTimer" );
 
     meWindowType                = WMWindowType::Normal;
-    mnDecorationFlags           = WMAdaptor::decoration_All;
     mbMaximizedVert             = false;
     mbMaximizedHorz             = false;
     mbShaded                    = false;
@@ -3906,8 +3903,6 @@ long X11SalFrame::Dispatch( XEvent *pEvent )
         switch( pEvent->type )
         {
             case KeyPress:
-                nKeyCode_   = pEvent->xkey.keycode;
-                nKeyState_  = pEvent->xkey.state;
                 nRet        = HandleKeyEvent( &pEvent->xkey );
                 break;
 
diff --git a/vcl/unx/gtk/gtksalframe.cxx b/vcl/unx/gtk/gtksalframe.cxx
index b980749f2ad4..42b4754da6bf 100644
--- a/vcl/unx/gtk/gtksalframe.cxx
+++ b/vcl/unx/gtk/gtksalframe.cxx
@@ -969,7 +969,6 @@ void GtkSalFrame::InitCommon()
     m_bFullscreen       = false;
     m_bSpanMonitorsWhenFullscreen = false;
     m_nState            = GDK_WINDOW_STATE_WITHDRAWN;
-    m_nVisibility       = GDK_VISIBILITY_FULLY_OBSCURED;
     m_pIMHandler        = nullptr;
     m_pRegion           = nullptr;
     m_ePointerStyle     = static_cast<PointerStyle>(0xffff);
@@ -3267,10 +3266,8 @@ gboolean GtkSalFrame::signalWindowState( GtkWidget*, GdkEvent* pEvent, gpointer
     return false;
 }
 
-gboolean GtkSalFrame::signalVisibility( GtkWidget*, GdkEventVisibility* pEvent, gpointer frame )
+gboolean GtkSalFrame::signalVisibility( GtkWidget*, GdkEventVisibility* /*pEvent*/, gpointer /*frame*/ )
 {
-    GtkSalFrame* pThis = static_cast<GtkSalFrame*>(frame);
-    pThis->m_nVisibility = pEvent->state;
     return true;
 }
 
diff --git a/vcl/unx/gtk3/gtk3gtkframe.cxx b/vcl/unx/gtk3/gtk3gtkframe.cxx
index 784c2a8d542f..25b3570d32e6 100644
--- a/vcl/unx/gtk3/gtk3gtkframe.cxx
+++ b/vcl/unx/gtk3/gtk3gtkframe.cxx
@@ -1081,7 +1081,6 @@ void GtkSalFrame::InitCommon()
     m_bFullscreen       = false;
     m_bSpanMonitorsWhenFullscreen = false;
     m_nState            = GDK_WINDOW_STATE_WITHDRAWN;
-    m_nVisibility       = GDK_VISIBILITY_FULLY_OBSCURED;
     m_pIMHandler        = nullptr;
     m_pRegion           = nullptr;
     m_pDropTarget       = nullptr;
@@ -3256,10 +3255,8 @@ gboolean GtkSalFrame::signalWindowState( GtkWidget*, GdkEvent* pEvent, gpointer
     return false;
 }
 
-gboolean GtkSalFrame::signalVisibility( GtkWidget*, GdkEventVisibility* pEvent, gpointer frame )
+gboolean GtkSalFrame::signalVisibility( GtkWidget*, GdkEventVisibility* /*pEvent*/, gpointer /*frame*/ )
 {
-    GtkSalFrame* pThis = static_cast<GtkSalFrame*>(frame);
-    pThis->m_nVisibility = pEvent->state;
     return true;
 }