diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -112,6 +112,16 @@
   function or assignment to ``nullptr``.
   Added support for pointers to ``std::unique_ptr``.
 
+Deprecated checks
+^^^^^^^^^^^^^^^^^
+
+- The :doc:`readability-deleted-default
+  <clang-tidy/checks/readability-deleted-default>` check has been deprecated.
+  
+  The clang warning `Wdefaulted-function-deleted
+  <https://clang.llvm.org/docs/DiagnosticsReference.html#wdefaulted-function-deleted>`_
+  will diagnose the same issues and is enabled by default.
+
 Improvements to include-fixer
 -----------------------------
 
diff --git a/clang-tools-extra/docs/clang-tidy/checks/readability-deleted-default.rst b/clang-tools-extra/docs/clang-tidy/checks/readability-deleted-default.rst
--- a/clang-tools-extra/docs/clang-tidy/checks/readability-deleted-default.rst
+++ b/clang-tools-extra/docs/clang-tidy/checks/readability-deleted-default.rst
@@ -3,20 +3,6 @@
 readability-deleted-default
 ===========================
 
-Checks that constructors and assignment operators marked as ``= default`` are
-not actually deleted by the compiler.
-
-.. code-block:: c++
-
-  class Example {
-  public:
-    // This constructor is deleted because I is missing a default value.
-    Example() = default;
-    // This is fine.
-    Example(const Example& Other) = default;
-    // This operator is deleted because I cannot be assigned (it is const).
-    Example& operator=(const Example& Other) = default;
-
-  private:
-    const int I;
-  };
+This check has been deprecated prefer to make use of the `Wdefaulted-function-deleted
+<https://clang.llvm.org/docs/DiagnosticsReference.html#wdefaulted-function-deleted>`_
+flag.