diff --git a/Modules/Core/ImageAdaptors/include/itkNthElementPixelAccessor.h b/Modules/Core/ImageAdaptors/include/itkNthElementPixelAccessor.h
index 72024be289e..45152e230c7 100644
--- a/Modules/Core/ImageAdaptors/include/itkNthElementPixelAccessor.h
+++ b/Modules/Core/ImageAdaptors/include/itkNthElementPixelAccessor.h
@@ -42,6 +42,9 @@ namespace itk
  * For performance, no bound checking is performed during
  * access to the n-th element.
  *
+ * \note NthElementPixelAccessor does not have any user-declared "special member function",
+ * following the C++ Rule of Zero: the compiler will generate them if necessary.
+ *
  * \sa ImageAdaptor
  * \sa PixelAccessor
  *
@@ -101,13 +104,6 @@ class NthElementPixelAccessor
 
   ITK_UNEQUAL_OPERATOR_MEMBER_FUNCTION(Self);
 
-  /** Assignment operator */
-  NthElementPixelAccessor &
-  operator=(const NthElementPixelAccessor & accessor) = default;
-
-  /** Constructor */
-  NthElementPixelAccessor() = default;
-
 private:
   // Identifier of the N-th element to be accessed
   unsigned int m_ElementNumber{ 0 };