diff --git a/Doc/library/operator.rst b/Doc/library/operator.rst
index 4921898..2ab54db 100644
--- a/Doc/library/operator.rst
+++ b/Doc/library/operator.rst
@@ -240,6 +240,10 @@
 
    Delete the slice of *a* from index *b* to index *c-1*.
 
+   .. deprecated:: 2.6
+      This function is removed in Python 3.x.  Use :func:`delitem` with a slice
+      index.
+
 
 .. function:: getitem(a, b)
               __getitem__(a, b)
@@ -252,6 +256,10 @@
 
    Return the slice of *a* from index *b* to index *c-1*.
 
+   .. deprecated:: 2.6
+      This function is removed in Python 3.x.  Use :func:`getitem` with a slice
+      index.
+
 
 .. function:: indexOf(a, b)
 
@@ -283,6 +291,11 @@
 
    Set the slice of *a* from index *b* to index *c-1* to the sequence *v*.
 
+   .. deprecated:: 2.6
+      This function is removed in Python 3.x.  Use :func:`setitem` with a slice
+      index.
+
+
 Many operations have an "in-place" version.  The following functions provide a
 more primitive access to in-place operators than the usual syntax does; for
 example, the :term:`statement` ``x += y`` is equivalent to