diff --git a/cisstVector/vctFixedStrideMatrixIterator.h b/cisstVector/vctFixedStrideMatrixIterator.h
index 6f76d9838..8710e0257 100644
--- a/cisstVector/vctFixedStrideMatrixIterator.h
+++ b/cisstVector/vctFixedStrideMatrixIterator.h
@@ -6,8 +6,7 @@
   Author(s):  Ofri Sadowsky, Anton Deguet
   Created on: 2003-09-30
 
-  (C) Copyright 2003-2013 Johns Hopkins University (JHU), All Rights
-  Reserved.
+  (C) Copyright 2003-2025 Johns Hopkins University (JHU), All Rights Reserved.
 
 --- begin cisst license - do not edit ---
 
@@ -87,8 +86,7 @@ no warranty.  The complete license can be found in license.txt and
   the same expression.
 */
 template <class _elementType, vct::stride_type _columnStride, vct::size_type _numColumns, vct::stride_type _rowStride>
-class vctFixedStrideMatrixConstIterator:
-    public std::iterator<std::random_access_iterator_tag, _elementType>
+class vctFixedStrideMatrixConstIterator
 {
 public:
     /* define most types from vctContainerTraits */
@@ -97,12 +95,9 @@ class vctFixedStrideMatrixConstIterator:
     /*! The type of the iterator itself. */
     typedef vctFixedStrideMatrixConstIterator<_elementType, _columnStride, _numColumns, _rowStride> ThisType;
 
-    /*! Base type for this iterator, i.e. std::iterator. */
-    typedef std::iterator<std::random_access_iterator_tag, _elementType> BaseType;
-
     /*! Type (i.e. category) of iterator,
       i.e. std::random_access_iterator_tag. */
-    typedef typename BaseType::iterator_category iterator_category;
+    typedef typename std::random_access_iterator_tag iterator_category;
 
     enum {COL_STRIDE = _columnStride, ROW_STRIDE = _rowStride};
     enum {NUM_COLUMNS = _numColumns};
diff --git a/cisstVector/vctFixedStrideVectorIterator.h b/cisstVector/vctFixedStrideVectorIterator.h
index 1130a2bdb..af94aa2d1 100644
--- a/cisstVector/vctFixedStrideVectorIterator.h
+++ b/cisstVector/vctFixedStrideVectorIterator.h
@@ -6,8 +6,7 @@
   Author(s):  Ofri Sadowsky, Anton Deguet
   Created on: 2003-09-30
 
-  (C) Copyright 2003-2013 Johns Hopkins University (JHU), All Rights
-  Reserved.
+  (C) Copyright 2003-2025 Johns Hopkins University (JHU), All Rights Reserved.
 
 --- begin cisst license - do not edit ---
 
@@ -59,8 +58,7 @@ no warranty.  The complete license can be found in license.txt and
   \sa vctFixedStrideVectorIterator
 */
 template <class _elementType, vct::stride_type _stride>
-class vctFixedStrideVectorConstIterator:
-    public std::iterator<std::random_access_iterator_tag, _elementType>
+class vctFixedStrideVectorConstIterator
 {
 public:
     /* define most types from vctContainerTraits */
@@ -69,12 +67,9 @@ class vctFixedStrideVectorConstIterator:
     /*! This of the iterator itself. */
     typedef vctFixedStrideVectorConstIterator<_elementType, _stride> ThisType;
 
-    /*! Base type for this iterator, i.e. std::iterator. */
-    typedef std::iterator<std::random_access_iterator_tag, _elementType> BaseType;
-
     /*! Type (i.e. category) of iterator,
       i.e. std::random_access_iterator_tag. */
-    typedef typename BaseType::iterator_category iterator_category;
+    typedef typename std::random_access_iterator_tag iterator_category;
 
     /* Stride between the elements of a vector. */
     enum {STRIDE = _stride};
diff --git a/cisstVector/vctVarStrideMatrixIterator.h b/cisstVector/vctVarStrideMatrixIterator.h
index 1907c1498..ffd531493 100644
--- a/cisstVector/vctVarStrideMatrixIterator.h
+++ b/cisstVector/vctVarStrideMatrixIterator.h
@@ -6,8 +6,7 @@
   Author(s):  Ofri Sadowsky, Anton Deguet
   Created on: 2004-07-02
 
-  (C) Copyright 2004-2013 Johns Hopkins University (JHU), All Rights
-  Reserved.
+  (C) Copyright 2004-2025 Johns Hopkins University (JHU), All Rights Reserved.
 
 --- begin cisst license - do not edit ---
 
@@ -37,8 +36,7 @@ no warranty.  The complete license can be found in license.txt and
   \sa vctVarStrideMatrixIterator
 */
 template<class _elementType>
-class vctVarStrideMatrixConstIterator:
-    public std::iterator<std::random_access_iterator_tag, _elementType>
+class vctVarStrideMatrixConstIterator
 {
 public:
     /* define most types from vctContainerTraits */
@@ -47,12 +45,9 @@ class vctVarStrideMatrixConstIterator:
     /*! The type of the iterator itself. */
     typedef vctVarStrideMatrixConstIterator<_elementType> ThisType;
 
-    /*! Base type for this iterator, i.e. std::iterator. */
-    typedef std::iterator<std::random_access_iterator_tag, _elementType> BaseType;
-
     /*! Type (i.e. category) of iterator,
       i.e. std::random_access_iterator_tag. */
-    typedef typename BaseType::iterator_category iterator_category;
+    typedef typename std::random_access_iterator_tag iterator_category;
 
 protected:
     /*! The data member points to the object being refered by this
diff --git a/cisstVector/vctVarStrideNArrayIterator.h b/cisstVector/vctVarStrideNArrayIterator.h
index 665ed5db1..7f025afa8 100644
--- a/cisstVector/vctVarStrideNArrayIterator.h
+++ b/cisstVector/vctVarStrideNArrayIterator.h
@@ -6,8 +6,7 @@
   Author(s):  Daniel Li, Ofri Sadowsky, Anton Deguet
   Created on: 2006-07-11
 
-  (C) Copyright 2006-2013 Johns Hopkins University (JHU), All Rights
-  Reserved.
+  (C) Copyright 2006-2025 Johns Hopkins University (JHU), All Rights Reserved.
 
 --- begin cisst license - do not edit ---
 
@@ -43,9 +42,7 @@ no warranty.  The complete license can be found in license.txt and
   \sa vctVarStrideNArrayIterator
 */
 template<class _ownerType, bool _forward>
-class vctVarStrideNArrayConstIterator:
-    public std::iterator<std::random_access_iterator_tag,
-                         typename _ownerType::value_type>
+class vctVarStrideNArrayConstIterator
 {
 public:
     /* define most types from vctContainerOwnerTraits and vctNArrayTraits */
@@ -64,12 +61,9 @@ class vctVarStrideNArrayConstIterator:
       iterator points. */
     typedef _ownerType OwnerType;
 
-    /*! Base type for this iterator, i.e. std::iterator. */
-    typedef std::iterator<std::random_access_iterator_tag, value_type> BaseType;
-
     /*! Type (i.e. category) of iterator,
       i.e. std::random_access_iterator_tag. */
-    typedef typename BaseType::iterator_category iterator_category;
+    typedef typename std::random_access_iterator_tag iterator_category;
 
 protected:
     /*! Pointer to the address of the container being referred to
diff --git a/cisstVector/vctVarStrideVectorIterator.h b/cisstVector/vctVarStrideVectorIterator.h
index 26e00ac5e..0631b0f25 100644
--- a/cisstVector/vctVarStrideVectorIterator.h
+++ b/cisstVector/vctVarStrideVectorIterator.h
@@ -6,8 +6,7 @@
   Author(s):  Ofri Sadowsky, Anton Deguet
   Created on: 2004-07-02
 
-  (C) Copyright 2004-2013 Johns Hopkins University (JHU), All Rights
-  Reserved.
+  (C) Copyright 2004-2025 Johns Hopkins University (JHU), All Rights Reserved.
 
 --- begin cisst license - do not edit ---
 
@@ -53,8 +52,7 @@ no warranty.  The complete license can be found in license.txt and
   \sa vctVarStrideVectorIterator
 */
 template<class _elementType>
-class vctVarStrideVectorConstIterator:
-	public std::iterator<std::random_access_iterator_tag, _elementType>
+class vctVarStrideVectorConstIterator
 {
 public:
     /* define most types from vctContainerTraits */
@@ -63,12 +61,9 @@ class vctVarStrideVectorConstIterator:
     /*! The type of the iterator itself. */
     typedef vctVarStrideVectorConstIterator<_elementType> ThisType;
 
-    /*! Base type for this iterator, i.e. std::iterator. */
-    typedef std::iterator<std::random_access_iterator_tag, _elementType> BaseType;
-
     /*! Type (i.e. category) of iterator,
       i.e. std::random_access_iterator_tag. */
-    typedef typename BaseType::iterator_category iterator_category;
+    typedef typename std::random_access_iterator_tag iterator_category;
 
 protected:
     /*! The data member points to the object being refered by this