diff --git a/.upgradenotes/MDL-82681-2024091902542827.yml b/.upgradenotes/MDL-82681-2024091902542827.yml
new file mode 100644
index 00000000000..a2d8f58d672
--- /dev/null
+++ b/.upgradenotes/MDL-82681-2024091902542827.yml
@@ -0,0 +1,7 @@
+issueNumber: MDL-82681
+notes:
+  mod_assign:
+    - message: >-
+        The method process_save_grading_options() has been deprecated as it is
+        no longer used.
+      type: deprecated
diff --git a/mod/assign/locallib.php b/mod/assign/locallib.php
index a7cd878c56b..c791a8a97ba 100644
--- a/mod/assign/locallib.php
+++ b/mod/assign/locallib.php
@@ -7342,9 +7342,18 @@ class assign {
     /**
      * Save grading options.
      *
+     * @deprecated since Moodle 4.5
+     * @todo Final deprecation in Moodle 6.0. See MDL-82876.
      * @return void
      */
+    #[\core\attribute\deprecated(
+        'null',
+        since: '4.5',
+        reason: 'It is no longer used.',
+        mdl: 'MDL-82681',
+    )]
     protected function process_save_grading_options() {
+        \core\deprecation::emit_deprecation_if_present([self::class, __FUNCTION__]);
     }
 
     /**