diff --git a/.upgradenotes/MDL-82342-2024110403441284.yml b/.upgradenotes/MDL-82342-2024110403441284.yml
new file mode 100644
index 0000000000000..c3751e38fa3b7
--- /dev/null
+++ b/.upgradenotes/MDL-82342-2024110403441284.yml
@@ -0,0 +1,8 @@
+issueNumber: MDL-82342
+notes:
+  core_course:
+    - message: >-
+        The core_course_edit_module and core_course_edit_section external
+        functions are now deprecated. Use core_courseformat_update_course
+        instead
+      type: deprecated
diff --git a/.upgradenotes/MDL-82342-2024110403545596.yml b/.upgradenotes/MDL-82342-2024110403545596.yml
new file mode 100644
index 0000000000000..a58ae1ffcbdca
--- /dev/null
+++ b/.upgradenotes/MDL-82342-2024110403545596.yml
@@ -0,0 +1,8 @@
+issueNumber: MDL-82342
+notes:
+  core_course:
+    - message: >-
+        The core_course_get_module external function is now deprecated. Use
+        fragment API using component core_courseformat and fragment cmitem
+        instead
+      type: deprecated
diff --git a/course/externallib.php b/course/externallib.php
index c4825433f0ee2..1e040731f6e86 100644
--- a/course/externallib.php
+++ b/course/externallib.php
@@ -3621,10 +3621,20 @@ public static function get_updates_since_returns() {
         return self::check_updates_returns();
     }
 
+    /**
+     * Mark the edit_module as deprecated.
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
+     * @return bool
+     */
+    public static function edit_module_is_deprecated() {
+        return true;
+    }
+
     /**
      * Parameters for function edit_module()
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @return external_function_parameters
      */
     public static function edit_module_parameters() {
@@ -3647,7 +3657,8 @@ public static function edit_module_parameters() {
      *
      * Throws exception if operation is not permitted/possible
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @param string $action
      * @param int $id
      * @param null|int $sectionreturn
@@ -3753,17 +3764,28 @@ public static function edit_module($action, $id, $sectionreturn = null) {
     /**
      * Return structure for edit_module()
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @return \core_external\external_description
      */
     public static function edit_module_returns() {
         return new external_value(PARAM_RAW, 'html to replace the current module with');
     }
 
+    /**
+     * Mark the get_module as deprecated.
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
+     * @return bool
+     */
+    public static function get_module_is_deprecated() {
+        return true;
+    }
+
     /**
      * Parameters for function get_module()
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @return external_function_parameters
      */
     public static function get_module_parameters() {
@@ -3777,7 +3799,8 @@ public static function get_module_parameters() {
     /**
      * Returns html for displaying one activity module on course page
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @param int $id
      * @param null|int $sectionreturn
      * @return string
@@ -3819,17 +3842,28 @@ public static function get_module($id, $sectionreturn = null) {
     /**
      * Return structure for get_module()
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @return \core_external\external_description
      */
     public static function get_module_returns() {
         return new external_value(PARAM_RAW, 'html to replace the current module with');
     }
 
+    /**
+     * Mark the edit_section as deprecated.
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
+     * @return bool
+     */
+    public static function edit_section_is_deprecated() {
+        return true;
+    }
+
     /**
      * Parameters for function edit_section()
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @return external_function_parameters
      */
     public static function edit_section_parameters() {
@@ -3844,7 +3878,8 @@ public static function edit_section_parameters() {
     /**
      * Performs one of the edit section actions
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @param string $action
      * @param int $id section id
      * @param int $sectionreturn section to return to
@@ -3874,7 +3909,8 @@ public static function edit_section($action, $id, $sectionreturn) {
     /**
      * Return structure for edit_section()
      *
-     * @since Moodle 3.3
+     * @deprecated since 5.0
+     * @todo Remove this method in Moodle 6.0 (MDL-83530).
      * @return \core_external\external_description
      */
     public static function edit_section_returns() {
diff --git a/lib/db/services.php b/lib/db/services.php
index 6c71ca24d7641..259dbeb1db3c6 100644
--- a/lib/db/services.php
+++ b/lib/db/services.php
@@ -574,7 +574,9 @@
         'classname'   => 'core_course_external',
         'methodname'  => 'get_module',
         'classpath'   => 'course/externallib.php',
-        'description' => 'Returns html with one activity module on course page',
+        'description' => '** DEPRECATED ** Please do not call this function any more (will be removed in Moodle 6.0).'
+            . 'Returns html with one activity module on course page.',
+            . 'Use fragment API using component core_courseformat and fragment cmitem instead.',
         'type'        => 'read',
         'ajax'        => true,
     ),
@@ -610,7 +612,9 @@
         'classname'   => 'core_course_external',
         'methodname'  => 'edit_module',
         'classpath'   => 'course/externallib.php',
-        'description' => 'Performs an action on course module (change visibility, duplicate, delete, etc.)',
+        'description' => '** DEPRECATED ** Please do not call this function any more (will be removed in Moodle 6.0).'
+            . ' Performs an action on course module (change visibility, duplicate, delete, etc.)'
+            . ' Use core_courseformat_update_course instead.',
         'type'        => 'write',
         'ajax'        => true,
     ),
@@ -618,7 +622,9 @@
         'classname'   => 'core_course_external',
         'methodname'  => 'edit_section',
         'classpath'   => 'course/externallib.php',
-        'description' => 'Performs an action on course section (change visibility, set marker, delete)',
+        'description' => '** DEPRECATED ** Please do not call this function any more (will be removed in Moodle 6.0).'
+            . 'Performs an action on course section (change visibility, set marker, delete)'
+            . ' Use core_courseformat_update_course instead.',
         'type'        => 'write',
         'ajax'        => true,
     ),