diff --git a/src/Mod/TechDraw/App/DrawPagePyImp.cpp b/src/Mod/TechDraw/App/DrawPagePyImp.cpp
index a85b1fc6c..f095583f3 100644
--- a/src/Mod/TechDraw/App/DrawPagePyImp.cpp
+++ b/src/Mod/TechDraw/App/DrawPagePyImp.cpp
@@ -65,32 +65,32 @@ PyObject* DrawPagePy::removeView(PyObject* args)
 
 
 //    double getPageWidth() const;
-PyObject* DrawPagePy::getPageWidth(PyObject *args)
+PyObject* DrawPagePy::getPageWidth(PyObject *)
 {
     PyErr_SetString(PyExc_NotImplementedError, "Not yet implemented");
     return 0;
 }
 
 //    double getPageHeight() const;
-PyObject* DrawPagePy::getPageHeight(PyObject *args)
+PyObject* DrawPagePy::getPageHeight(PyObject *)
 {
     PyErr_SetString(PyExc_NotImplementedError, "Not yet implemented");
     return 0;
 }
 
 //    const char* getPageOrientation() const;
-PyObject* DrawPagePy::getPageOrientation(PyObject *args)
+PyObject* DrawPagePy::getPageOrientation(PyObject *)
 {
     PyErr_SetString(PyExc_NotImplementedError, "Not yet implemented");
     return 0;
 }
 
-PyObject *DrawPagePy::getCustomAttributes(const char* attr) const
+PyObject *DrawPagePy::getCustomAttributes(const char* ) const
 {
     return 0;
 }
 
-int DrawPagePy::setCustomAttributes(const char* attr, PyObject *obj)
+int DrawPagePy::setCustomAttributes(const char* , PyObject *)
 {
     return 0;
 }
diff --git a/src/Mod/TechDraw/App/DrawProjGroupItem.cpp b/src/Mod/TechDraw/App/DrawProjGroupItem.cpp
index ede874d2f..08e0c75ec 100644
--- a/src/Mod/TechDraw/App/DrawProjGroupItem.cpp
+++ b/src/Mod/TechDraw/App/DrawProjGroupItem.cpp
@@ -26,7 +26,6 @@
 # include <sstream>
 #endif
 
-#include <strstream>
 #include <Base/Console.h>
 #include <Base/Writer.h>
 
diff --git a/src/Mod/TechDraw/App/DrawProjGroupPyImp.cpp b/src/Mod/TechDraw/App/DrawProjGroupPyImp.cpp
index 9ff9d092c..cd177a5a2 100644
--- a/src/Mod/TechDraw/App/DrawProjGroupPyImp.cpp
+++ b/src/Mod/TechDraw/App/DrawProjGroupPyImp.cpp
@@ -50,7 +50,7 @@ PyObject* DrawProjGroupPy::removeProjection(PyObject* args)
     return PyInt_FromLong((long) i);;
 }
 
-PyObject* DrawProjGroupPy::purgeProjections(PyObject* args)
+PyObject* DrawProjGroupPy::purgeProjections(PyObject* /*args*/)
 {
     DrawProjGroup* projGroup = getDrawProjGroupPtr();
     int i = projGroup->purgeProjections();
diff --git a/src/Mod/TechDraw/App/DrawSVGTemplatePyImp.cpp b/src/Mod/TechDraw/App/DrawSVGTemplatePyImp.cpp
index 454526145..fc7a72052 100644
--- a/src/Mod/TechDraw/App/DrawSVGTemplatePyImp.cpp
+++ b/src/Mod/TechDraw/App/DrawSVGTemplatePyImp.cpp
@@ -15,7 +15,7 @@ std::string DrawSVGTemplatePy::representation(void) const
     return std::string("<DrawSVGTemplate object>");
 }
 
-PyObject *DrawSVGTemplatePy::getCustomAttributes(const char* attr) const
+PyObject *DrawSVGTemplatePy::getCustomAttributes(const char* ) const
 {
     return 0;
 }
diff --git a/src/Mod/TechDraw/App/DrawTemplate.cpp b/src/Mod/TechDraw/App/DrawTemplate.cpp
index 8ba9cf887..ec0c62ec4 100644
--- a/src/Mod/TechDraw/App/DrawTemplate.cpp
+++ b/src/Mod/TechDraw/App/DrawTemplate.cpp
@@ -126,7 +126,7 @@ App::DocumentObjectExecReturn *DrawTemplate::execute(void)
     return App::DocumentObject::execute();
 }
 
-void DrawTemplate::getBlockDimensions(double &x, double &y, double &width, double &height) const
+void DrawTemplate::getBlockDimensions(double & /*x*/, double & /*y*/, double & /*width*/, double & /*height*/) const
 {
     throw Base::Exception("implement in virtual function");
 }
diff --git a/src/Mod/TechDraw/App/DrawView.cpp b/src/Mod/TechDraw/App/DrawView.cpp
index 0d148c0c2..98265078a 100644
--- a/src/Mod/TechDraw/App/DrawView.cpp
+++ b/src/Mod/TechDraw/App/DrawView.cpp
@@ -29,7 +29,6 @@
 #endif
 
 
-#include <strstream>
 #include <App/Application.h>
 #include <Base/Writer.h>
 #include <Base/Reader.h>
diff --git a/src/Mod/TechDraw/App/DrawViewClipPyImp.cpp b/src/Mod/TechDraw/App/DrawViewClipPyImp.cpp
index 778c73d27..b47f392d6 100644
--- a/src/Mod/TechDraw/App/DrawViewClipPyImp.cpp
+++ b/src/Mod/TechDraw/App/DrawViewClipPyImp.cpp
@@ -91,12 +91,12 @@ PyObject* DrawViewClipPy::getChildViewNames(PyObject* args)
     return result;
 }
 
-PyObject *DrawViewClipPy::getCustomAttributes(const char* attr) const
+PyObject *DrawViewClipPy::getCustomAttributes(const char* ) const
 {
     return 0;
 }
 
-int DrawViewClipPy::setCustomAttributes(const char* attr, PyObject *obj)
+int DrawViewClipPy::setCustomAttributes(const char* , PyObject *)
 {
     return 0;
 }
diff --git a/src/Mod/TechDraw/App/DrawViewPart.cpp b/src/Mod/TechDraw/App/DrawViewPart.cpp
index 8073184ca..b67caff04 100644
--- a/src/Mod/TechDraw/App/DrawViewPart.cpp
+++ b/src/Mod/TechDraw/App/DrawViewPart.cpp
@@ -540,7 +540,7 @@ TechDrawGeometry::Vertex* DrawViewPart::getProjVertexByIndex(int idx) const
 
 //! returns existing geometry of 2D Face(idx)
 //version 1 Face has 1 wire
-std::vector<TechDrawGeometry::BaseGeom*> DrawViewPart::getProjFaceByIndex(int idx) const
+std::vector<TechDrawGeometry::BaseGeom*> DrawViewPart::getProjFaceByIndex(int /*idx*/) const
 {
     std::vector<TechDrawGeometry::BaseGeom*> result;
     const std::vector<TechDrawGeometry::Face *>& faces = getFaceGeometry();
diff --git a/src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp b/src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp
index e159d0e44..64ca5b998 100644
--- a/src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp
+++ b/src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp
@@ -49,7 +49,7 @@ using namespace TechDrawGui;
 //
 /* module functions */
 static PyObject *
-tdGuiPlaceholder(PyObject *self, PyObject *args)
+tdGuiPlaceholder(PyObject * /*self*/, PyObject *args)
 {
     char* Name;
     if (!PyArg_ParseTuple(args, "et","utf-8",&Name))
@@ -65,6 +65,6 @@ tdGuiPlaceholder(PyObject *self, PyObject *args)
 
 /* registration table  */
 struct PyMethodDef TechDrawGui_Import_methods[] = {
-    {"tdGuiPlaceholder"     ,tdGuiPlaceholder ,     METH_VARARGS}, /* method name, C func ptr, always-tuple */
-    {NULL, NULL}                    /* end of table marker */
+    {"tdGuiPlaceholder"     ,tdGuiPlaceholder ,     METH_VARARGS, ""}, /* method name, C func ptr, always-tuple */
+    {NULL, NULL, 0, NULL}                    /* end of table marker */
 };
diff --git a/src/Mod/TechDraw/Gui/Command.cpp b/src/Mod/TechDraw/Gui/Command.cpp
index b2d858c15..06ca5a760 100644
--- a/src/Mod/TechDraw/Gui/Command.cpp
+++ b/src/Mod/TechDraw/Gui/Command.cpp
@@ -148,6 +148,7 @@ CmdTechDrawNewPageDef::CmdTechDrawNewPageDef()
 
 void CmdTechDrawNewPageDef::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
         .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw");
 
@@ -217,6 +218,7 @@ CmdTechDrawNewPage::CmdTechDrawNewPage()
 
 void CmdTechDrawNewPage::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
         .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw");
 
@@ -296,6 +298,7 @@ CmdTechDrawNewView::CmdTechDrawNewView()
 
 void CmdTechDrawNewView::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
@@ -371,6 +374,7 @@ CmdTechDrawNewViewSection::CmdTechDrawNewViewSection()
 
 void CmdTechDrawNewViewSection::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     //TODO: should just use BaseView's page
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
@@ -440,6 +444,7 @@ CmdTechDrawProjGroup::CmdTechDrawProjGroup()
 
 void CmdTechDrawProjGroup::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
@@ -510,6 +515,7 @@ CmdTechDrawAnnotation::CmdTechDrawAnnotation()
 
 void CmdTechDrawAnnotation::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
@@ -550,6 +556,7 @@ CmdTechDrawClip::CmdTechDrawClip()
 
 void CmdTechDrawClip::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
@@ -593,12 +600,13 @@ CmdTechDrawClipPlus::CmdTechDrawClipPlus()
 
 void CmdTechDrawClipPlus::activated(int iMsg)
 {
-   std::vector<Gui::SelectionObject> selection = getSelection().getSelectionEx();
-   if (selection.size() != 2) {
-       QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
-                            QObject::tr("Select 1 DrawViewClip and 1 DrawView."));
-       return;
-   }
+    Q_UNUSED(iMsg);
+    std::vector<Gui::SelectionObject> selection = getSelection().getSelectionEx();
+    if (selection.size() != 2) {
+        QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
+                             QObject::tr("Select 1 DrawViewClip and 1 DrawView."));
+        return;
+    }
 
     TechDraw::DrawViewClip* clip = 0;
     TechDraw::DrawView* view = 0;
@@ -671,6 +679,7 @@ CmdTechDrawClipMinus::CmdTechDrawClipMinus()
 
 void CmdTechDrawClipMinus::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     auto dObj( getSelection().getObjectsOfType(TechDraw::DrawView::getClassTypeId()) );
     if (dObj.empty()) {
         QMessageBox::warning( Gui::getMainWindow(),
@@ -736,6 +745,7 @@ CmdTechDrawSymbol::CmdTechDrawSymbol()
 
 void CmdTechDrawSymbol::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
@@ -785,6 +795,7 @@ CmdTechDrawDraftView::CmdTechDrawDraftView()
 
 void CmdTechDrawDraftView::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
@@ -835,6 +846,7 @@ CmdTechDrawSpreadsheet::CmdTechDrawSpreadsheet()
 
 void CmdTechDrawSpreadsheet::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     const std::vector<App::DocumentObject*> spreads = getSelection().getObjectsOfType(Spreadsheet::Sheet::getClassTypeId());
     if (spreads.size() != 1) {
         QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
@@ -883,6 +895,7 @@ CmdTechDrawExportPage::CmdTechDrawExportPage()
 
 void CmdTechDrawExportPage::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPage(this);
     if (!page) {
         return;
diff --git a/src/Mod/TechDraw/Gui/CommandCreateDims.cpp b/src/Mod/TechDraw/Gui/CommandCreateDims.cpp
index 9f7757037..d83048a9d 100644
--- a/src/Mod/TechDraw/Gui/CommandCreateDims.cpp
+++ b/src/Mod/TechDraw/Gui/CommandCreateDims.cpp
@@ -148,6 +148,7 @@ CmdTechDrawNewDimension::CmdTechDrawNewDimension()
 
 void CmdTechDrawNewDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,2);
     if (!result)
         return;
@@ -283,6 +284,7 @@ CmdTechDrawNewRadiusDimension::CmdTechDrawNewRadiusDimension()
 
 void CmdTechDrawNewRadiusDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,1);
     if (!result)
         return;
@@ -370,6 +372,7 @@ CmdTechDrawNewDiameterDimension::CmdTechDrawNewDiameterDimension()
 
 void CmdTechDrawNewDiameterDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,1);
     if (!result)
         return;
@@ -459,6 +462,7 @@ CmdTechDrawNewLengthDimension::CmdTechDrawNewLengthDimension()
 
 void CmdTechDrawNewLengthDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,2);
     if (!result)
         return;
@@ -566,6 +570,7 @@ CmdTechDrawNewDistanceXDimension::CmdTechDrawNewDistanceXDimension()
 
 void CmdTechDrawNewDistanceXDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,2);
     if (!result)
         return;
@@ -671,6 +676,7 @@ CmdTechDrawNewDistanceYDimension::CmdTechDrawNewDistanceYDimension()
 
 void CmdTechDrawNewDistanceYDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,2);
     if (!result)
         return;
@@ -775,6 +781,7 @@ CmdTechDrawNewAngleDimension::CmdTechDrawNewAngleDimension()
 
 void CmdTechDrawNewAngleDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     bool result = _checkSelection(this,2);
     if (!result)
         return;
@@ -863,6 +870,7 @@ CmdTechDrawLinkDimension::CmdTechDrawLinkDimension()
 
 void CmdTechDrawLinkDimension::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPageCCD(this);
     if (!page) {
         return;
diff --git a/src/Mod/TechDraw/Gui/CommandDecorate.cpp b/src/Mod/TechDraw/Gui/CommandDecorate.cpp
index 72ede55b3..16fcf9b7d 100644
--- a/src/Mod/TechDraw/Gui/CommandDecorate.cpp
+++ b/src/Mod/TechDraw/Gui/CommandDecorate.cpp
@@ -124,6 +124,7 @@ CmdTechDrawNewHatch::CmdTechDrawNewHatch()
 
 void CmdTechDrawNewHatch::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     if (!_checkSelectionHatch(this)) {
         return;
     }
@@ -184,6 +185,7 @@ CmdTechDrawToggleFrame::CmdTechDrawToggleFrame()
 
 void CmdTechDrawToggleFrame::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     TechDraw::DrawPage* page = _findPageCD(this);
     if (!page) {
         return;
diff --git a/src/Mod/TechDraw/Gui/DlgTemplateField.cpp b/src/Mod/TechDraw/Gui/DlgTemplateField.cpp
index 949fc8937..5793644ed 100644
--- a/src/Mod/TechDraw/Gui/DlgTemplateField.cpp
+++ b/src/Mod/TechDraw/Gui/DlgTemplateField.cpp
@@ -30,6 +30,7 @@ using namespace TechDrawGui;
 
 DlgTemplateField::DlgTemplateField( QWidget* parent )
 {
+    Q_UNUSED(parent);
     setupUi(this);
     leInput->setFocus();
 }
diff --git a/src/Mod/TechDraw/Gui/MDIViewPage.cpp b/src/Mod/TechDraw/Gui/MDIViewPage.cpp
index 7c7022320..b001a57b5 100644
--- a/src/Mod/TechDraw/Gui/MDIViewPage.cpp
+++ b/src/Mod/TechDraw/Gui/MDIViewPage.cpp
@@ -462,7 +462,7 @@ bool MDIViewPage::orphanExists(const char *viewName, const std::vector<App::Docu
 }
 
 
-bool MDIViewPage::onMsg(const char *pMsg, const char **ppReturn)
+bool MDIViewPage::onMsg(const char *pMsg, const char **)
 {
     Gui::Document *doc(getGuiDocument());
 
diff --git a/src/Mod/TechDraw/Gui/QGIDrawingTemplate.cpp b/src/Mod/TechDraw/Gui/QGIDrawingTemplate.cpp
index 79a38b796..4cf04bc9c 100644
--- a/src/Mod/TechDraw/Gui/QGIDrawingTemplate.cpp
+++ b/src/Mod/TechDraw/Gui/QGIDrawingTemplate.cpp
@@ -30,7 +30,6 @@
 # include <QMessageBox>
 # include <QMouseEvent>
 # include <QPainter>
-# include <strstream>
 #endif
 
 #include <App/Document.h>
@@ -129,6 +128,7 @@ void QGIDrawingTemplate::draw()
 
 void QGIDrawingTemplate::updateView(bool update)
 {
+    Q_UNUSED(update);
     draw();
 }
 
diff --git a/src/Mod/TechDraw/Gui/QGIProjGroup.cpp b/src/Mod/TechDraw/Gui/QGIProjGroup.cpp
index e0188d80a..3a4a72026 100644
--- a/src/Mod/TechDraw/Gui/QGIProjGroup.cpp
+++ b/src/Mod/TechDraw/Gui/QGIProjGroup.cpp
@@ -31,7 +31,6 @@
 # include <QMessageBox>
 # include <QMouseEvent>
 # include <QPainter>
-# include <strstream>
 #endif
 
 #include <App/Document.h>
diff --git a/src/Mod/TechDraw/Gui/QGISVGTemplate.cpp b/src/Mod/TechDraw/Gui/QGISVGTemplate.cpp
index 957753a73..6317c86a7 100644
--- a/src/Mod/TechDraw/Gui/QGISVGTemplate.cpp
+++ b/src/Mod/TechDraw/Gui/QGISVGTemplate.cpp
@@ -28,7 +28,6 @@
 #include <QPen>
 #include <QSvgRenderer>
 #include <QGraphicsSvgItem>
-#include <strstream>
 #include <boost/regex.hpp>
 #endif // #ifndef _PreComp_
 
@@ -78,7 +77,7 @@ QVariant QGISVGTemplate::itemChange(GraphicsItemChange change,
 
 void QGISVGTemplate::openFile(const QFile &file)
 {
-
+    Q_UNUSED(file);
 }
 
 void QGISVGTemplate::load(const QString &fileName)
@@ -132,6 +131,7 @@ void QGISVGTemplate::draw()
 
 void QGISVGTemplate::updateView(bool update)
 {
+    Q_UNUSED(update);
     draw();
 }
 
diff --git a/src/Mod/TechDraw/Gui/QGITemplate.cpp b/src/Mod/TechDraw/Gui/QGITemplate.cpp
index 56f2011d3..f1dd8ef44 100644
--- a/src/Mod/TechDraw/Gui/QGITemplate.cpp
+++ b/src/Mod/TechDraw/Gui/QGITemplate.cpp
@@ -71,6 +71,7 @@ void QGITemplate::clearContents()
 
 void QGITemplate::updateView(bool update)
 {
+    Q_UNUSED(update);
     draw();
 }
 
diff --git a/src/Mod/TechDraw/Gui/QGIView.cpp b/src/Mod/TechDraw/Gui/QGIView.cpp
index bcc2922e4..565c5d265 100644
--- a/src/Mod/TechDraw/Gui/QGIView.cpp
+++ b/src/Mod/TechDraw/Gui/QGIView.cpp
@@ -38,7 +38,6 @@
 #include <QStyleOptionGraphicsItem>
 #include <QTextOption>
 #include <QTransform>
-#include <strstream>
 #endif
 
 #include <App/Application.h>
@@ -180,6 +179,7 @@ void QGIView::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
 
 void QGIView::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 {
+    Q_UNUSED(event);
     // TODO don't like this but only solution at the minute (MLP)
     if (isSelected()) {
         m_colCurrent = getSelectColor();
@@ -195,6 +195,7 @@ void QGIView::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 
 void QGIView::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 {
+    Q_UNUSED(event);
     if(isSelected()) {
         m_colCurrent = getSelectColor();
     } else {
diff --git a/src/Mod/TechDraw/Gui/QGIView.h b/src/Mod/TechDraw/Gui/QGIView.h
index 406391678..98e0b9497 100644
--- a/src/Mod/TechDraw/Gui/QGIView.h
+++ b/src/Mod/TechDraw/Gui/QGIView.h
@@ -72,7 +72,7 @@ public:
     /** @} */
 
     void alignTo(QGraphicsItem*, const QString &alignment);
-    void setLocked(bool state = true) { locked = true; }
+    void setLocked(bool /*state*/ = true) { locked = true; }
 
     virtual void toggleCache(bool state);
     virtual void updateView(bool update = false);
diff --git a/src/Mod/TechDraw/Gui/QGIViewCollection.cpp b/src/Mod/TechDraw/Gui/QGIViewCollection.cpp
index fa03e3f80..94566a64f 100644
--- a/src/Mod/TechDraw/Gui/QGIViewCollection.cpp
+++ b/src/Mod/TechDraw/Gui/QGIViewCollection.cpp
@@ -30,7 +30,6 @@
 # include <QMessageBox>
 # include <QMouseEvent>
 # include <QPainter>
-# include <strstream>
 #endif
 
 #include <App/Document.h>
diff --git a/src/Mod/TechDraw/Gui/QGIViewDimension.cpp b/src/Mod/TechDraw/Gui/QGIViewDimension.cpp
index c894fb2ea..a949f3904 100644
--- a/src/Mod/TechDraw/Gui/QGIViewDimension.cpp
+++ b/src/Mod/TechDraw/Gui/QGIViewDimension.cpp
@@ -36,7 +36,6 @@
   # include <QPaintDevice>
   # include <QSvgGenerator>
 
-  # include <strstream>
   # include <math.h>
 #endif
 
@@ -213,6 +212,7 @@ void QGIViewDimension::hover(bool state)
 
 void QGIViewDimension::updateView(bool update)
 {
+    Q_UNUSED(update);
     auto dim( dynamic_cast<TechDraw::DrawViewDimension*>(getViewObject()) );
     if( dim == nullptr )
         return;
diff --git a/src/Mod/TechDraw/Gui/QGIViewPart.cpp b/src/Mod/TechDraw/Gui/QGIViewPart.cpp
index d1f6db341..db99ec961 100644
--- a/src/Mod/TechDraw/Gui/QGIViewPart.cpp
+++ b/src/Mod/TechDraw/Gui/QGIViewPart.cpp
@@ -24,7 +24,6 @@
 #ifndef _PreComp_
 #include <cmath>
 #include <qmath.h>
-#include <strstream>
 #include <QAction>
 #include <QApplication>
 #include <QContextMenuEvent>
diff --git a/src/Mod/TechDraw/Gui/QGIViewSection.cpp b/src/Mod/TechDraw/Gui/QGIViewSection.cpp
index 5a5469896..c5be8acc2 100644
--- a/src/Mod/TechDraw/Gui/QGIViewSection.cpp
+++ b/src/Mod/TechDraw/Gui/QGIViewSection.cpp
@@ -33,7 +33,6 @@
 #include <QPainterPathStroker>
 #include <QPainter>
 #include <QTextOption>
-#include <strstream>
 #endif
 
 #include <qmath.h>
@@ -104,5 +103,6 @@ void QGIViewSection::updateView(bool update)
 
 void QGIViewSection::drawSectionLine(bool b)
 {
+    Q_UNUSED(b);
    //override QGIVP::drawSectionLine
 }
diff --git a/src/Mod/TechDraw/Gui/QGVPage.cpp b/src/Mod/TechDraw/Gui/QGVPage.cpp
index c40c67a0c..426be3549 100644
--- a/src/Mod/TechDraw/Gui/QGVPage.cpp
+++ b/src/Mod/TechDraw/Gui/QGVPage.cpp
@@ -34,7 +34,6 @@
 # include <QPaintEvent>
 # include <QSvgGenerator>
 # include <QWheelEvent>
-# include <strstream>
 # include <cmath>
 #endif
 
diff --git a/src/Mod/TechDraw/Gui/TaskLinkDim.cpp b/src/Mod/TechDraw/Gui/TaskLinkDim.cpp
index dffaefc98..bc95feb75 100644
--- a/src/Mod/TechDraw/Gui/TaskLinkDim.cpp
+++ b/src/Mod/TechDraw/Gui/TaskLinkDim.cpp
@@ -134,6 +134,8 @@ void TaskLinkDim::updateDims()
 
 void TaskLinkDim::onCurrentItemChanged(QTreeWidgetItem* current, QTreeWidgetItem* previous)
 {
+    Q_UNUSED(current);
+    Q_UNUSED(previous);
     //if (previous) {
         //picked item on "selected" side
     //}
@@ -188,6 +190,7 @@ void TaskDlgLinkDim::open()
 
 void TaskDlgLinkDim::clicked(int i)
 {
+    Q_UNUSED(i);
 }
 
 bool TaskDlgLinkDim::accept()
diff --git a/src/Mod/TechDraw/Gui/TaskProjGroup.cpp b/src/Mod/TechDraw/Gui/TaskProjGroup.cpp
index 71df028a4..15bee443e 100644
--- a/src/Mod/TechDraw/Gui/TaskProjGroup.cpp
+++ b/src/Mod/TechDraw/Gui/TaskProjGroup.cpp
@@ -267,6 +267,7 @@ void TaskProjGroup::setFractionalScale(double newScale)
 
 void TaskProjGroup::scaleManuallyChanged(int i)
 {
+    Q_UNUSED(i);
     //TODO: See what this is about - shouldn't be simplifying the scale ratio while it's being edited... IR
     if(blockUpdate)
         return;
diff --git a/src/Mod/TechDraw/Gui/TaskSectionView.cpp b/src/Mod/TechDraw/Gui/TaskSectionView.cpp
index 63e0b9279..eb93be62c 100644
--- a/src/Mod/TechDraw/Gui/TaskSectionView.cpp
+++ b/src/Mod/TechDraw/Gui/TaskSectionView.cpp
@@ -212,9 +212,9 @@ void TaskSectionView::updateValues()
     m_base->getDocument()->recompute();
 }
 
-
 void TaskSectionView::onHorizontalClicked(bool b)
 {
+    Q_UNUSED(b);
     ui->cbHoriz->blockSignals(true);
     ui->cbVert->blockSignals(true);
     ui->cbHoriz->setChecked(true);
@@ -225,6 +225,7 @@ void TaskSectionView::onHorizontalClicked(bool b)
 
 void TaskSectionView::onVerticalClicked(bool b)
 {
+    Q_UNUSED(b);
     ui->cbHoriz->blockSignals(true);
     ui->cbVert->blockSignals(true);
     ui->cbVert->setChecked(true);
@@ -235,6 +236,7 @@ void TaskSectionView::onVerticalClicked(bool b)
 
 void TaskSectionView::onNormalClicked(bool b)
 {
+    Q_UNUSED(b);
     ui->cbNormal->blockSignals(true);
     ui->cbReverse->blockSignals(true);
     ui->cbNormal->setChecked(true);
@@ -245,6 +247,7 @@ void TaskSectionView::onNormalClicked(bool b)
 
 void TaskSectionView::onReverseClicked(bool b)
 {
+    Q_UNUSED(b);
     ui->cbReverse->blockSignals(true);
     ui->cbNormal->blockSignals(true);
     ui->cbReverse->setChecked(true);
@@ -256,12 +259,14 @@ void TaskSectionView::onReverseClicked(bool b)
 
 void TaskSectionView::onCalcClicked(bool b)
 {
+    Q_UNUSED(b);
     calcValues();
     updateValues();
 }
 
 void TaskSectionView::onResetClicked(bool b)
 {
+    Q_UNUSED(b);
     resetValues();
     updateValues();
     m_section->Label.setValue(saveLabel.c_str());
@@ -332,6 +337,7 @@ void TaskDlgSectionView::open()
 
 void TaskDlgSectionView::clicked(int i)
 {
+    Q_UNUSED(i);
 }
 
 bool TaskDlgSectionView::accept()
diff --git a/src/Mod/TechDraw/Gui/TemplateTextField.cpp b/src/Mod/TechDraw/Gui/TemplateTextField.cpp
index e39460c72..c8023cd14 100644
--- a/src/Mod/TechDraw/Gui/TemplateTextField.cpp
+++ b/src/Mod/TechDraw/Gui/TemplateTextField.cpp
@@ -73,6 +73,7 @@ void TemplateTextField::execDialog()
 
 void TemplateTextField::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
+    Q_UNUSED(event);
     if (!ui) {
         ui = new DlgTemplateField(dlgOwner);
         ui->setFieldName(fieldNameStr);
diff --git a/src/Mod/TechDraw/Gui/ViewProviderPage.cpp b/src/Mod/TechDraw/Gui/ViewProviderPage.cpp
index df657a46a..db6581247 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderPage.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderPage.cpp
@@ -245,6 +245,7 @@ std::vector<App::DocumentObject*> ViewProviderPage::claimChildren(void) const
 
 void ViewProviderPage::unsetEdit(int ModNum)
 {
+    Q_UNUSED(ModNum);
     static_cast<void>(showMDIViewPage());
     return;
 }
diff --git a/src/Mod/TechDraw/Gui/ViewProviderProjGroup.cpp b/src/Mod/TechDraw/Gui/ViewProviderProjGroup.cpp
index 4edd5f960..2e2a38064 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderProjGroup.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderProjGroup.cpp
@@ -109,12 +109,16 @@ void ViewProviderProjGroup::updateData(const App::Property* prop)
 
 void ViewProviderProjGroup::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
 {
+    Q_UNUSED(menu);
+    Q_UNUSED(receiver);
+    Q_UNUSED(member);
     //QAction* act;
     //act = menu->addAction(QObject::tr("Show drawing"), receiver, member);
 }
 
 bool ViewProviderProjGroup::setEdit(int ModNum)
 {
+    Q_UNUSED(ModNum);
     // When double-clicking on the item for this sketch the
     // object unsets and sets its edit mode without closing
     // the task panel
diff --git a/src/Mod/TechDraw/Gui/ViewProviderProjGroupItem.cpp b/src/Mod/TechDraw/Gui/ViewProviderProjGroupItem.cpp
index 808f2a1dc..a4ee023ff 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderProjGroupItem.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderProjGroupItem.cpp
@@ -117,18 +117,23 @@ void ViewProviderProjGroupItem::updateData(const App::Property* prop)
 
 void ViewProviderProjGroupItem::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
 {
+    Q_UNUSED(menu);
+    Q_UNUSED(receiver);
+    Q_UNUSED(member);
     //QAction* act;
     //act = menu->addAction(QObject::tr("Show drawing"), receiver, member);
 }
 
 bool ViewProviderProjGroupItem::setEdit(int ModNum)
 {
+    Q_UNUSED(ModNum);
     doubleClicked();
     return true;
 }
 
 void ViewProviderProjGroupItem::unsetEdit(int ModNum)
 {
+    Q_UNUSED(ModNum);
     Gui::Control().closeDialog();
 }