diff --git a/src/Mod/TechDraw/App/Cosmetic.cpp b/src/Mod/TechDraw/App/Cosmetic.cpp
index e0e54d872d..04324ca552 100644
--- a/src/Mod/TechDraw/App/Cosmetic.cpp
+++ b/src/Mod/TechDraw/App/Cosmetic.cpp
@@ -104,12 +104,7 @@ std::string LineFormat::toString(void) const
 //static preference getters.
 double LineFormat::getDefEdgeWidth()
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-
-    double width = lg->getWeight("Graphic");
-    delete lg; 
-    return width;
+    return TechDraw::LineGroup::getDefaultWidth("Graphic");
 }
 
 App::Color LineFormat::getDefEdgeColor()
@@ -136,7 +131,7 @@ CosmeticVertex::CosmeticVertex() : TechDraw::Vertex()
     linkGeom = -1;
     color = Preferences::vertexColor();
     size  = Preferences::vertexScale() * 
-            LineGroup::getDefaultWidth("Thick", Preferences::lineGroup());
+            LineGroup::getDefaultWidth("Thick");
     style = 1;
     visible = true;
     hlrVisible = true;
@@ -165,7 +160,7 @@ CosmeticVertex::CosmeticVertex(Base::Vector3d loc) : TechDraw::Vertex(loc)
     linkGeom = -1;
     color = Preferences::vertexColor();
     size  = Preferences::vertexScale() * 
-            LineGroup::getDefaultWidth("Thick", Preferences::lineGroup());
+            LineGroup::getDefaultWidth("Thick");
     style = 1;        //TODO: implement styled vertexes
     visible = true;
     hlrVisible = true;
diff --git a/src/Mod/TechDraw/App/DrawUtil.cpp b/src/Mod/TechDraw/App/DrawUtil.cpp
index 35b6256b18..4e85bd1716 100644
--- a/src/Mod/TechDraw/App/DrawUtil.cpp
+++ b/src/Mod/TechDraw/App/DrawUtil.cpp
@@ -522,12 +522,7 @@ double DrawUtil::sensibleScale(double working_scale)
 
 double DrawUtil::getDefaultLineWeight(std::string lineType)
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = LineGroup::lineGroupFactory(lgNumber);
-
-    double weight = lg->getWeight(lineType);
-    delete lg;                                    //Coverity CID 174671
-    return weight;
+    return TechDraw::LineGroup::getDefaultWidth(lineType);
 }
 
 bool DrawUtil::isBetween(const Base::Vector3d pt, const Base::Vector3d end1, const Base::Vector3d end2)
diff --git a/src/Mod/TechDraw/App/LineGroup.cpp b/src/Mod/TechDraw/App/LineGroup.cpp
index 54a37f2278..5ae3cdcbda 100644
--- a/src/Mod/TechDraw/App/LineGroup.cpp
+++ b/src/Mod/TechDraw/App/LineGroup.cpp
@@ -178,15 +178,19 @@ LineGroup* LineGroup::lineGroupFactory(int groupNumber)
     return lg;
 }
 
-//valid weight names: Thick, Thin, Graphic, Extra
-double LineGroup::getDefaultWidth(std::string weightName, int groupNumber)
+/**
+ * @brief Returns the default line width given a weight name and group number.
+ * 
+ * @param weightName can be "Thick", "Thin", "Graphic" or "Extra"
+ * @param lineGroupNumber if -1 will then use groupNumber in preferences. Default value is -1.
+ * @return the default line width.
+ */
+double LineGroup::getDefaultWidth(std::string weightName, int lineGroupNumber)
 {
-    //default line weights
-    int lgNumber = groupNumber;
-    if (lgNumber == -1) {
-        lgNumber = Preferences::lineGroup();
+    if (lineGroupNumber == -1) {
+        lineGroupNumber = Preferences::lineGroup();
     }
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
+    auto lg = TechDraw::LineGroup::lineGroupFactory(lineGroupNumber);
 
     double weight = lg->getWeight(weightName);
     delete lg;
diff --git a/src/Mod/TechDraw/Gui/TaskCenterLine.cpp b/src/Mod/TechDraw/Gui/TaskCenterLine.cpp
index 8831d0a654..14184ad8eb 100644
--- a/src/Mod/TechDraw/Gui/TaskCenterLine.cpp
+++ b/src/Mod/TechDraw/Gui/TaskCenterLine.cpp
@@ -426,17 +426,12 @@ void TaskCenterLine::enableTaskButtons(bool b)
 
 double TaskCenterLine::getCenterWidth()
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-
-    double width = lg->getWeight("Graphic");
-    delete lg;
     Gui::ViewProvider* vp = QGIView::getViewProvider(m_partFeat);
     auto partVP = dynamic_cast<ViewProviderViewPart*>(vp);
-    if (partVP) {
-        width = partVP->IsoWidth.getValue();
+    if (!partVP) {
+        return TechDraw::LineGroup::getDefaultWidth("Graphic");
     }
-    return width;
+    return partVP->IsoWidth.getValue();
 }
 
 Qt::PenStyle TaskCenterLine::getCenterStyle()
diff --git a/src/Mod/TechDraw/Gui/TaskLeaderLine.cpp b/src/Mod/TechDraw/Gui/TaskLeaderLine.cpp
index 32a6747d8d..8d7c6f8e60 100644
--- a/src/Mod/TechDraw/Gui/TaskLeaderLine.cpp
+++ b/src/Mod/TechDraw/Gui/TaskLeaderLine.cpp
@@ -778,11 +778,7 @@ int TaskLeaderLine::getPrefArrowStyle()
 
 double TaskLeaderLine::prefWeight() const
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double weight = lg->getWeight("Thin");
-    delete lg;                                   //Coverity CID 174670
-    return weight;
+    return TechDraw::LineGroup::getDefaultWidth("Thin");
 }
 
 App::Color TaskLeaderLine::prefLineColor(void)
diff --git a/src/Mod/TechDraw/Gui/TaskRichAnno.cpp b/src/Mod/TechDraw/Gui/TaskRichAnno.cpp
index 273e283c9b..8f16e8a958 100644
--- a/src/Mod/TechDraw/Gui/TaskRichAnno.cpp
+++ b/src/Mod/TechDraw/Gui/TaskRichAnno.cpp
@@ -319,11 +319,7 @@ void TaskRichAnno::onEditorExit(void)
 
 double TaskRichAnno::prefWeight() const
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double weight = lg->getWeight("Graphic");
-    delete lg;                                   //Coverity CID 174670
-    return weight;
+    return TechDraw::LineGroup::getDefaultWidth("Graphic");
 }
 
 App::Color TaskRichAnno::prefLineColor(void)
diff --git a/src/Mod/TechDraw/Gui/ViewProviderBalloon.cpp b/src/Mod/TechDraw/Gui/ViewProviderBalloon.cpp
index dd2da129d0..4541c86088 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderBalloon.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderBalloon.cpp
@@ -60,10 +60,7 @@ ViewProviderBalloon::ViewProviderBalloon()
     ADD_PROPERTY_TYPE(Font, (Preferences::labelFont().c_str()), group, App::Prop_None, "The name of the font to use");
     ADD_PROPERTY_TYPE(Fontsize, (Preferences::dimFontSizeMM()),
                                 group, (App::PropertyType)(App::Prop_None), "Balloon text size in units");
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double weight = lg->getWeight("Thin");
-    delete lg;                                   //Coverity CID 174670
+    double weight = TechDraw::LineGroup::getDefaultWidth("Thin");
     ADD_PROPERTY_TYPE(LineWidth, (weight), group, (App::PropertyType)(App::Prop_None), "Leader line width");
     ADD_PROPERTY_TYPE(LineVisible, (true), group, (App::PropertyType)(App::Prop_None), "Balloon line visible or hidden");
     ADD_PROPERTY_TYPE(Color, (PreferencesGui::dimColor()), group, App::Prop_None, "Color of the balloon");
diff --git a/src/Mod/TechDraw/Gui/ViewProviderDimension.cpp b/src/Mod/TechDraw/Gui/ViewProviderDimension.cpp
index 3879cb5547..7ec74f81a1 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderDimension.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderDimension.cpp
@@ -240,11 +240,7 @@ double ViewProviderDimension::prefFontSize() const
 
 double ViewProviderDimension::prefWeight() const
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double weight = lg->getWeight("Thin");
-    delete lg;                                   //Coverity CID 174670
-    return weight;
+    return TechDraw::LineGroup::getDefaultWidth("Thin");
 }
 
 int ViewProviderDimension::prefStandardAndStyle() const
diff --git a/src/Mod/TechDraw/Gui/ViewProviderGeomHatch.cpp b/src/Mod/TechDraw/Gui/ViewProviderGeomHatch.cpp
index 3eb160db67..daef49c1c3 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderGeomHatch.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderGeomHatch.cpp
@@ -178,10 +178,7 @@ void ViewProviderGeomHatch::updateGraphic(void)
 
 void ViewProviderGeomHatch::getParameters(void)
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double weight = lg->getWeight("Graphic");
-    delete lg;                                                    //Coverity CID 174667
+    double weight = TechDraw::LineGroup::getDefaultWidth("Graphic");
     WeightPattern.setValue(weight);
 }
 
diff --git a/src/Mod/TechDraw/Gui/ViewProviderLeader.cpp b/src/Mod/TechDraw/Gui/ViewProviderLeader.cpp
index 68b6e48463..1426e9d145 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderLeader.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderLeader.cpp
@@ -181,11 +181,7 @@ TechDraw::DrawLeaderLine* ViewProviderLeader::getFeature() const
 
 double ViewProviderLeader::getDefLineWeight(void)
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double result = lg->getWeight("Thin");
-    delete lg;                                   //Coverity CID 174670
-    return result;
+    return TechDraw::LineGroup::getDefaultWidth("Thin");
 }
 
 App::Color ViewProviderLeader::getDefLineColor(void)
diff --git a/src/Mod/TechDraw/Gui/ViewProviderRichAnno.cpp b/src/Mod/TechDraw/Gui/ViewProviderRichAnno.cpp
index bf0561b8b4..08e5b7a1eb 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderRichAnno.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderRichAnno.cpp
@@ -168,11 +168,7 @@ double ViewProviderRichAnno::getDefFontSize()
 
 double ViewProviderRichAnno::getDefLineWeight(void)
 {
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
-    double result = lg->getWeight("Graphics");
-    delete lg;
-    return result;
+    return TechDraw::LineGroup::getDefaultWidth("Graphics");
 }
 
 void ViewProviderRichAnno::handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property *prop)
diff --git a/src/Mod/TechDraw/Gui/ViewProviderViewPart.cpp b/src/Mod/TechDraw/Gui/ViewProviderViewPart.cpp
index c405038b78..720f790c55 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderViewPart.cpp
+++ b/src/Mod/TechDraw/Gui/ViewProviderViewPart.cpp
@@ -78,21 +78,18 @@ ViewProviderViewPart::ViewProviderViewPart()
     static const char *hgroup = "Highlight";
 
     //default line weights
-    int lgNumber = Preferences::lineGroup();
-    auto lg = TechDraw::LineGroup::lineGroupFactory(lgNumber);
 
-    double weight = lg->getWeight("Thick");
+    double weight = TechDraw::LineGroup::getDefaultWidth("Thick");
     ADD_PROPERTY_TYPE(LineWidth,(weight),group,App::Prop_None,"The thickness of visible lines (line groups xx.2");
 
-    weight = lg->getWeight("Thin");
+    weight = TechDraw::LineGroup::getDefaultWidth("Thin");
     ADD_PROPERTY_TYPE(HiddenWidth,(weight),group,App::Prop_None,"The thickness of hidden lines, if enabled (line groups xx.1)");
 
-    weight = lg->getWeight("Graphic");
+    weight = TechDraw::LineGroup::getDefaultWidth("Graphic");
     ADD_PROPERTY_TYPE(IsoWidth,(weight),group,App::Prop_None,"The thickness of isoparameter lines, if enabled");
 
-    weight = lg->getWeight("Extra");
+    weight = TechDraw::LineGroup::getDefaultWidth("Extra");
     ADD_PROPERTY_TYPE(ExtraWidth,(weight),group,App::Prop_None,"The thickness of LineGroup Extra lines, if enabled");
-    delete lg;                            //Coverity CID 174664
 
     Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().GetGroup("BaseApp")->
                                                     GetGroup("Preferences")->GetGroup("Mod/TechDraw/Decorations");