diff --git a/src/debugger/gui/CartCDFInfoWidget.cxx b/src/debugger/gui/CartCDFInfoWidget.cxx
index 2c27b5636..909b7a377 100644
--- a/src/debugger/gui/CartCDFInfoWidget.cxx
+++ b/src/debugger/gui/CartCDFInfoWidget.cxx
@@ -21,8 +21,7 @@
 CartridgeCDFInfoWidget::CartridgeCDFInfoWidget(
     GuiObject* boss, const GUI::Font& lfont, const GUI::Font& nfont,
     int x, int y, int w, int h, CartridgeCDF& cart)
-  : CartDebugWidget(boss, lfont, nfont, x, y, w, h),
-    myCart(cart)
+  : CartDebugWidget(boss, lfont, nfont, x, y, w, h)
 {
   uInt16 size = 8 * 4096;
 
@@ -65,4 +64,4 @@ string CartridgeCDFInfoWidget::describeCDFVersion(CartridgeCDF::CDFSubtype subty
     default:
       throw runtime_error("unreachable");
   }
-}
\ No newline at end of file
+}
diff --git a/src/debugger/gui/CartCDFInfoWidget.hxx b/src/debugger/gui/CartCDFInfoWidget.hxx
index 495fa3bb0..86a3143b6 100644
--- a/src/debugger/gui/CartCDFInfoWidget.hxx
+++ b/src/debugger/gui/CartCDFInfoWidget.hxx
@@ -30,9 +30,6 @@ class CartridgeCDFInfoWidget : public CartDebugWidget
                             CartridgeCDF& cart);
     virtual ~CartridgeCDFInfoWidget() = default;
 
-  private:
-    CartridgeCDF& myCart;
-
   private:
     static string describeCDFVersion(CartridgeCDF::CDFSubtype subtype);