diff --git a/src/Gui/ViewProviderOrigin.cpp b/src/Gui/ViewProviderOrigin.cpp
index ef18c1efc7..53d043ec86 100644
--- a/src/Gui/ViewProviderOrigin.cpp
+++ b/src/Gui/ViewProviderOrigin.cpp
@@ -60,6 +60,7 @@ PROPERTY_SOURCE(Gui::ViewProviderOrigin, Gui::ViewProviderGeometryObject)
  * Creates the view provider for an object group.
  */
 ViewProviderOrigin::ViewProviderOrigin() 
+  : tempVisMode(false)
 {
     sPixmap = "CoordinateSystem";
     Visibility.setValue(false);
diff --git a/src/Gui/ViewProviderOrigin.h b/src/Gui/ViewProviderOrigin.h
index bf9802d535..3ecc45a6d4 100644
--- a/src/Gui/ViewProviderOrigin.h
+++ b/src/Gui/ViewProviderOrigin.h
@@ -59,7 +59,7 @@ public:
     void setTemporaryVisibility(App::DocumentObject* obj, bool onoff);
     
 private:
-    bool tempVisMode = false;
+    bool tempVisMode;
     Gui::Document* tempVisDoc;
     std::map<Gui::ViewProvider*, bool> tempVisMap; 
 };
diff --git a/src/Mod/PartDesign/App/Body.cpp b/src/Mod/PartDesign/App/Body.cpp
index dc297bd8dd..dc99bb13bc 100644
--- a/src/Mod/PartDesign/App/Body.cpp
+++ b/src/Mod/PartDesign/App/Body.cpp
@@ -213,6 +213,7 @@ const bool Body::isSolidFeature(const App::DocumentObject* f)
         // Transformed Features inside a MultiTransform are not solid features
         return !isMemberOfMultiTransform(f);
     }
+    return false;//DeepSOIC: work-in-progress?
 }
 
 const bool Body::isAllowed(const App::DocumentObject* f)
diff --git a/src/Mod/PartDesign/App/FeatureAddSub.cpp b/src/Mod/PartDesign/App/FeatureAddSub.cpp
index aaf5a8dfa5..c845bb3743 100644
--- a/src/Mod/PartDesign/App/FeatureAddSub.cpp
+++ b/src/Mod/PartDesign/App/FeatureAddSub.cpp
@@ -37,6 +37,7 @@ namespace PartDesign {
 PROPERTY_SOURCE(PartDesign::FeatureAddSub, PartDesign::Feature)
 
 FeatureAddSub::FeatureAddSub()
+  :  addSubType(Additive)
 {
     ADD_PROPERTY(AddSubShape,(TopoDS_Shape()));
 }
diff --git a/src/Mod/PartDesign/App/FeatureAddSub.h b/src/Mod/PartDesign/App/FeatureAddSub.h
index 363349f150..62933f4f07 100644
--- a/src/Mod/PartDesign/App/FeatureAddSub.h
+++ b/src/Mod/PartDesign/App/FeatureAddSub.h
@@ -50,7 +50,7 @@ public:
     Part::PropertyPartShape   AddSubShape;
 
 protected:
-    Type addSubType = Additive;
+    Type addSubType;
 };
 
 } //namespace PartDesign
diff --git a/src/Mod/PartDesign/App/FeaturePrimitive.cpp b/src/Mod/PartDesign/App/FeaturePrimitive.cpp
index 1e3e31a102..a7d7fb3a85 100644
--- a/src/Mod/PartDesign/App/FeaturePrimitive.cpp
+++ b/src/Mod/PartDesign/App/FeaturePrimitive.cpp
@@ -38,6 +38,7 @@ namespace PartDesign {
 PROPERTY_SOURCE(PartDesign::FeaturePrimitive, PartDesign::FeatureAddSub)
 
 FeaturePrimitive::FeaturePrimitive()
+  :  primitiveType(Box)
 {
     ADD_PROPERTY_TYPE(References, (0,0), "Primitive", (App::PropertyType)(App::Prop_None), "References to build the location of the primitive");
 }
diff --git a/src/Mod/PartDesign/App/FeaturePrimitive.h b/src/Mod/PartDesign/App/FeaturePrimitive.h
index a4b7716f27..68a61bce24 100644
--- a/src/Mod/PartDesign/App/FeaturePrimitive.h
+++ b/src/Mod/PartDesign/App/FeaturePrimitive.h
@@ -60,7 +60,7 @@ protected:
     //calculate the position of the primitive from the support and the exis
     TopLoc_Location calculateLocation();
     
-    Type primitiveType = Box;
+    Type primitiveType;
 };
 
 class PartDesignExport Box : public PartDesign::FeaturePrimitive {
diff --git a/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp b/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
index 11f22c56ad..fa10baaccc 100644
--- a/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
+++ b/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
@@ -223,7 +223,7 @@ TaskDlgFeaturePick::TaskDlgFeaturePick(std::vector<App::DocumentObject*> &object
                                         const std::vector<TaskFeaturePick::featureStatus> &status,
                                         boost::function<bool (std::vector<App::DocumentObject*>)> afunc,
                                         boost::function<void (std::vector<App::DocumentObject*>)> wfunc)
-    : TaskDialog()      
+    : TaskDialog(), accepted(false)
 {
     pick  = new TaskFeaturePick(objects, status);
     Content.push_back(pick);
diff --git a/src/Mod/PartDesign/Gui/TaskFeaturePick.h b/src/Mod/PartDesign/Gui/TaskFeaturePick.h
index 81f53d7d0c..aac5f1dafb 100644
--- a/src/Mod/PartDesign/Gui/TaskFeaturePick.h
+++ b/src/Mod/PartDesign/Gui/TaskFeaturePick.h
@@ -113,7 +113,7 @@ public:
 
 protected:
     TaskFeaturePick  *pick;
-    bool accepted = false;
+    bool accepted;
     boost::function<bool (std::vector<App::DocumentObject*>)>  acceptFunction;
     boost::function<void (std::vector<App::DocumentObject*>)>  workFunction;
 };
diff --git a/src/Mod/PartDesign/Gui/ViewProviderPrimitive.cpp b/src/Mod/PartDesign/Gui/ViewProviderPrimitive.cpp
index 813118190f..b634877a84 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderPrimitive.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderPrimitive.cpp
@@ -88,6 +88,8 @@ bool ViewProviderPrimitive::setEdit(int ModNum)
     else {
         return PartGui::ViewProviderPart::setEdit(ModNum);
     }*/
+
+    return false;
 }