diff --git a/.upgradenotes/MDL-75025-2024062015422824.yml b/.upgradenotes/MDL-75025-2024062015422824.yml
new file mode 100644
index 00000000000..5dffed60c5f
--- /dev/null
+++ b/.upgradenotes/MDL-75025-2024062015422824.yml
@@ -0,0 +1,7 @@
+issueNumber: MDL-75025
+notes:
+  core_backup:
+    - message: >-
+        Final deprecation of base_controller::get_copy(). Please use
+        restore_controller::get_copy() instead.
+      type: removed
diff --git a/.upgradenotes/MDL-75025-2024062015430029.yml b/.upgradenotes/MDL-75025-2024062015430029.yml
new file mode 100644
index 00000000000..9736c0f2f2d
--- /dev/null
+++ b/.upgradenotes/MDL-75025-2024062015430029.yml
@@ -0,0 +1,6 @@
+issueNumber: MDL-75025
+notes:
+  core_backup:
+    - message: 'Final deprecation of base_controller::set_copy(). Please use a restore
+        controller for storing copy information instead.'
+      type: removed
diff --git a/backup/controller/base_controller.class.php b/backup/controller/base_controller.class.php
index a932ca25fbd..f6dd3cef711 100644
--- a/backup/controller/base_controller.class.php
+++ b/backup/controller/base_controller.class.php
@@ -107,38 +107,18 @@ abstract class base_controller extends backup implements loggable {
     }
 
     /**
-     * Store extra data for course copy operations.
-     *
-     * For a course copying these is data required to be passed to the restore step.
-     * We store this data in its own section of the backup controller
-     *
-     * @param \stdClass $data The course copy data.
-     * @throws backup_controller_exception
-     * @deprecated since Moodle 4.1 MDL-74548 - please do not use this method anymore.
-     * @todo MDL-75025 This method will be deleted in Moodle 4.5
-     * @see restore_controller::__construct()
+     * @deprecated since Moodle 4.1 MDL-74548
      */
-    public function set_copy(\stdClass $data): void {
-        debugging('The method base_controller::set_copy() is deprecated.
-            Please use the restore_controller class instead.', DEBUG_DEVELOPER);
-        // Only allow setting of copy data when controller is in copy mode.
-        if ($this->mode != backup::MODE_COPY) {
-            throw new backup_controller_exception('cannot_set_copy_vars_wrong_mode');
-        }
-        $this->copy = $data;
+    #[\core\attribute\deprecated(since: '4.1', mdl: 'MDL-74548', final: true)]
+    public function set_copy(): void {
+        \core\deprecation::emit_deprecation_if_present([self::class, __FUNCTION__]);
     }
 
     /**
-     * Get the course copy data.
-     *
-     * @return \stdClass
-     * @deprecated since Moodle 4.1 MDL-74548 - please do not use this method anymore.
-     * @todo MDL-75026 This method will be deleted in Moodle 4.5
-     * @see restore_controller::get_copy()
+     * @deprecated since Moodle 4.1 MDL-74548
      */
-    public function get_copy(): \stdClass {
-        debugging('The method base_controller::get_copy() is deprecated.
-           Please use restore_controller::get_copy() instead.', DEBUG_DEVELOPER);
-        return $this->copy;
+    #[\core\attribute\deprecated('restore_controller::get_copy()', since: '4.1', mdl: 'MDL-74548', final: true)]
+    public function get_copy() {
+        \core\deprecation::emit_deprecation_if_present([self::class, __FUNCTION__]);
     }
 }