diff --git a/include/vcl/toolbox.hxx b/include/vcl/toolbox.hxx
index 7fe0b7a41f7e..083e6e602096 100644
--- a/include/vcl/toolbox.hxx
+++ b/include/vcl/toolbox.hxx
@@ -93,7 +93,6 @@ class VCL_DLLPUBLIC ToolBox : public DockingWindow
 private:
     ImplToolBoxPrivateData*   mpData;
     std::vector<ImplToolSize> maFloatSizes;
-    ImageList           maImageList;
     Idle               *mpIdle;
     Rectangle           maUpperRect;
     Rectangle           maLowerRect;