diff --git a/src/Mod/Assembly/App/AppAssemblyPy.cpp b/src/Mod/Assembly/App/AppAssemblyPy.cpp
index 84afbbef0..4e59e3bf4 100644
--- a/src/Mod/Assembly/App/AppAssemblyPy.cpp
+++ b/src/Mod/Assembly/App/AppAssemblyPy.cpp
@@ -41,13 +41,6 @@
 #include "Workbench.h"
 
 
-namespace PartDesignGui {
-
-// The names of the base planes. Note: The user-visible label is different from this
-const char* BaseplaneNames[3] = {"BaseplaneXY", "BaseplaneXZ", "BaseplaneYZ"};
-
-}
-
 //static PyObject * setActiveBody(PyObject *self, PyObject *args)
 //{
 //    PyObject *object=0;
diff --git a/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp b/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
index efdfd5fb1..c439ef0d9 100644
--- a/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
@@ -36,6 +36,7 @@
 #include <Base/UnitsApi.h>
 #include <App/Application.h>
 #include <App/Document.h>
+#include <App/Part.h>
 #include <Gui/Application.h>
 #include <Gui/Document.h>
 #include <Gui/BitmapFactory.h>
@@ -182,11 +183,11 @@ void TaskLinearPatternParameters::updateUI()
             ui->comboDirection->setCurrentIndex(0);
         else if (directions.front() == "V_Axis")
             ui->comboDirection->setCurrentIndex(1);
-        else if (strcmp(directionFeature->getNameInDocument(), PartDesignGui::BaseplaneNames[0]) == 0)
+        else if (strcmp(directionFeature->getNameInDocument(), App::Part::BaseplaneTypes[0]) == 0)
             ui->comboDirection->setCurrentIndex(2);
-        else if (strcmp(directionFeature->getNameInDocument(), PartDesignGui::BaseplaneNames[1]) == 0)
+        else if (strcmp(directionFeature->getNameInDocument(), App::Part::BaseplaneTypes[1]) == 0)
             ui->comboDirection->setCurrentIndex(3);
-        else if (strcmp(directionFeature->getNameInDocument(), PartDesignGui::BaseplaneNames[2]) == 0)
+        else if (strcmp(directionFeature->getNameInDocument(), App::Part::BaseplaneTypes[2]) == 0)
             ui->comboDirection->setCurrentIndex(4);
         else if (directions.front().size() > 4 && directions.front().substr(0,4) == "Axis") {
             int pos = 5 + std::atoi(directions.front().substr(4,4000).c_str());
@@ -328,17 +329,17 @@ void TaskLinearPatternParameters::onDirectionChanged(int num) {
         exitSelectionMode();
     }
     else if (num == 2) {
-        pcLinearPattern->Direction.setValue(getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[0]),
+        pcLinearPattern->Direction.setValue(getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[0]),
                                          std::vector<std::string>(1,""));
         exitSelectionMode();
     }
     else if (num == 3) {
-        pcLinearPattern->Direction.setValue(getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[1]),
+        pcLinearPattern->Direction.setValue(getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[1]),
                                          std::vector<std::string>(1,""));
         exitSelectionMode();
     }
     else if (num == 4) {
-        pcLinearPattern->Direction.setValue(getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[2]),
+        pcLinearPattern->Direction.setValue(getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[2]),
                                          std::vector<std::string>(1,""));
         exitSelectionMode();
     }
@@ -405,11 +406,11 @@ void TaskLinearPatternParameters::getDirection(App::DocumentObject*& obj, std::v
     else if (num == 1)
         sub[0] = "V_Axis";
     else if (num == 2)
-        obj = getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[0]);
+        obj = getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[0]);
     else if (num == 3)
-        obj = getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[1]);
+        obj = getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[1]);
     else if (num == 4)
-        obj = getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[2]);
+        obj = getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[2]);
     else if (num >= 5 && num < maxcount) {
         QString buf = QString::fromUtf8("Axis%1").arg(num-5);
         sub[0] = buf.toStdString();
diff --git a/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp b/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
index 9052298b8..3fe441781 100644
--- a/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
@@ -34,6 +34,7 @@
 #include "ReferenceSelection.h"
 #include <App/Application.h>
 #include <App/Document.h>
+#include <App/Part.h>
 #include <Gui/Application.h>
 #include <Gui/Document.h>
 #include <Gui/BitmapFactory.h>
@@ -154,11 +155,11 @@ void TaskMirroredParameters::updateUI()
             ui->comboPlane->setCurrentIndex(0);
         else if (mirrorPlanes.front() == "V_Axis")
             ui->comboPlane->setCurrentIndex(1);
-        else if (strcmp(mirrorPlaneFeature->getNameInDocument(), PartDesignGui::BaseplaneNames[0]) == 0)
+        else if (strcmp(mirrorPlaneFeature->getNameInDocument(), App::Part::BaseplaneTypes[0]) == 0)
             ui->comboPlane->setCurrentIndex(2);
-        else if (strcmp(mirrorPlaneFeature->getNameInDocument(), PartDesignGui::BaseplaneNames[1]) == 0)
+        else if (strcmp(mirrorPlaneFeature->getNameInDocument(), App::Part::BaseplaneTypes[1]) == 0)
             ui->comboPlane->setCurrentIndex(3);
-        else if (strcmp(mirrorPlaneFeature->getNameInDocument(), PartDesignGui::BaseplaneNames[2]) == 0)
+        else if (strcmp(mirrorPlaneFeature->getNameInDocument(), App::Part::BaseplaneTypes[2]) == 0)
             ui->comboPlane->setCurrentIndex(4);
         else if (mirrorPlanes.front().size() > 4 && mirrorPlanes.front().substr(0,4) == "Axis") {
             int pos = 5 + std::atoi(mirrorPlanes.front().substr(4,4000).c_str());
@@ -254,17 +255,17 @@ void TaskMirroredParameters::onPlaneChanged(int num) {
         exitSelectionMode();
     }
     else if (num == 2) {
-        pcMirrored->MirrorPlane.setValue(getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[0]),
+        pcMirrored->MirrorPlane.setValue(getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[0]),
                                          std::vector<std::string>(1,""));
         exitSelectionMode();
     }
     else if (num == 3) {
-        pcMirrored->MirrorPlane.setValue(getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[1]),
+        pcMirrored->MirrorPlane.setValue(getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[1]),
                                          std::vector<std::string>(1,""));
         exitSelectionMode();
     }
     else if (num == 4) {
-        pcMirrored->MirrorPlane.setValue(getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[2]),
+        pcMirrored->MirrorPlane.setValue(getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[2]),
                                          std::vector<std::string>(1,""));
         exitSelectionMode();
     }
@@ -328,11 +329,11 @@ void TaskMirroredParameters::getMirrorPlane(App::DocumentObject*& obj, std::vect
     else if (num == 1)
         sub[0] = "V_Axis";
     else if (num == 2)
-        obj = getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[0]);
+        obj = getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[0]);
     else if (num == 3)
-        obj = getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[1]);
+        obj = getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[1]);
     else if (num == 4)
-        obj = getObject()->getDocument()->getObject(PartDesignGui::BaseplaneNames[2]);
+        obj = getObject()->getDocument()->getObject(App::Part::BaseplaneTypes[2]);
     else if (num >= 5 && num < maxcount) {
         QString buf = QString::fromUtf8("Axis%1").arg(num-5);
         sub[0] = buf.toStdString();
diff --git a/src/Mod/PartDesign/Gui/Workbench.cpp b/src/Mod/PartDesign/Gui/Workbench.cpp
index edfaa0d77..ac9201c81 100644
--- a/src/Mod/PartDesign/Gui/Workbench.cpp
+++ b/src/Mod/PartDesign/Gui/Workbench.cpp
@@ -290,7 +290,7 @@ void Workbench::_doMigration(const App::Document* doc)
                 if (fabs(offset) < Precision::Confusion()) {
                     // One of the base planes
                     Gui::Command::doCommand(Gui::Command::Doc,"App.activeDocument().%s.Support = (App.activeDocument().%s,['%s'])",
-                                            sketch->getNameInDocument(), BaseplaneNames[index], side.c_str());
+                                            sketch->getNameInDocument(), App::Part::BaseplaneTypes[index], side.c_str());
                 } else {
                     // Offset to base plane
                     // Find out which direction we need to offset
@@ -307,7 +307,7 @@ void Workbench::_doMigration(const App::Document* doc)
 
                     std::string Datum = doc->getUniqueObjectName("DatumPlane");
                     Gui::Command::doCommand(Gui::Command::Doc,"App.activeDocument().addObject('PartDesign::Plane','%s')",Datum.c_str());
-                    QString refStr = QString::fromAscii("[(App.activeDocument().") + QString::fromAscii(BaseplaneNames[index]) +
+                    QString refStr = QString::fromAscii("[(App.activeDocument().") + QString::fromAscii(App::Part::BaseplaneTypes[index]) +
                                      QString::fromAscii(",'')]");
                     Gui::Command::doCommand(Gui::Command::Doc,"App.activeDocument().%s.References = %s",Datum.c_str(), refStr.toStdString().c_str());
                     Gui::Command::doCommand(Gui::Command::Doc,"App.activeDocument().%s.Offset = %f",Datum.c_str(), offset);
diff --git a/src/Mod/PartDesign/Gui/Workbench.h b/src/Mod/PartDesign/Gui/Workbench.h
index 5f3d574ac..a33d843e6 100644
--- a/src/Mod/PartDesign/Gui/Workbench.h
+++ b/src/Mod/PartDesign/Gui/Workbench.h
@@ -49,8 +49,6 @@ namespace PartDesignGui {
 //extern Gui::Document                   *ActiveGuiDoc;
 //extern App::Document                   *ActiveAppDoc;
 //extern Gui::ViewProviderDocumentObject *ActiveVp;
-// The names of the base planes
-extern const char* BaseplaneNames[3];
 
 /// Return active body or show a warning message
 PartDesign::Body *getBody(void);