diff --git a/GUI/Model/Device/DetectorItems.h b/GUI/Model/Device/DetectorItems.h
index dcbbb0acebc99242ed9bbd6f966975fd7f9acf35..30e5c3d338fa4d54c5816b74d82815b198f05c6d 100644
--- a/GUI/Model/Device/DetectorItems.h
+++ b/GUI/Model/Device/DetectorItems.h
@@ -71,7 +71,6 @@ protected:
     void addMasksToCore(IDetector* detector) const;
 
 protected:
-    // TODO why masks should be here? now 'MaskContainerItem' belongs to 'IntensityDataItem'
     MaskContainerItem
         m_maskContainerItem; //!< for creation of domain detector; only filled and relevant in jobs
     SelectionProperty<ResolutionFunctionItemCatalog> m_resolutionFunction;