diff --git a/src/Mod/TechDraw/Gui/Workbench.cpp b/src/Mod/TechDraw/Gui/Workbench.cpp
index 6108b67af5..b9b716edc6 100644
--- a/src/Mod/TechDraw/Gui/Workbench.cpp
+++ b/src/Mod/TechDraw/Gui/Workbench.cpp
@@ -346,8 +346,6 @@ Gui::ToolBarItem* Workbench::setupToolBars() const
     *extattribs << "TechDraw_ExtensionExtendShortenLineGroup";
     *extattribs << "TechDraw_ExtensionLockUnlockView";
     *extattribs << "TechDraw_ExtensionPositionSectionView";
-    *extattribs << "TechDraw_ExtensionPosChainDimensionGroup";
-    *extattribs << "TechDraw_ExtensionCascadeDimensionGroup";
     if (separatedTools) {
         *extattribs << "TechDraw_ExtensionAreaAnnotation";
         *extattribs << "TechDraw_ExtensionArcLengthAnnotation";
@@ -452,8 +450,6 @@ Gui::ToolBarItem* Workbench::setupCommandBars() const
     *extattribs << "TechDraw_ExtensionExtendShortenLineGroup";
     *extattribs << "TechDraw_ExtensionLockUnlockView";
     *extattribs << "TechDraw_ExtensionPositionSectionView";
-    *extattribs << "TechDraw_ExtensionPosChainDimensionGroup";
-    *extattribs << "TechDraw_ExtensionCascadeDimensionGroup";
     *extattribs << "TechDraw_ExtensionAreaAnnotation";
     *extattribs << "TechDraw_ExtensionArcLengthAnnotation";
     *extattribs << "TechDraw_ExtensionCustomizeFormat";