Sensei - Remove user from course

function.php

<?php
function sensei_remove_user_from_course( $course_id = 0, $user_id = 0 ) {
  global $woothemes_sensei;
  
  $course_id = intval( $course_id );
  $user_id = intval( $user_id );
  
  if( $course_id > 0 && $user_id > 0 ) {

    // Get all course lessons
    $course_lessons = WooThemes_Sensei_Course::course_lessons( $course_id );

    // Process all lessons for course
    foreach( $course_lessons as $lesson_item ) {

      // Process all quizzes for lesson
      $lesson_quizzes = WooThemes_Sensei_Lesson::lesson_quizzes( $lesson_item->ID );
      if( 0 < count( $lesson_quizzes ) )  {
        foreach( $lesson_quizzes as $quiz_item ) {
          // Remove quiz answers
          WooThemes_Sensei_Utils::sensei_delete_quiz_answers( $quiz_item->ID, $user_id );

          // Remove quiz grade
          WooThemes_Sensei_Utils::sensei_delete_activities( array( 'post_id' => $quiz_item->ID, 'user_id' => $user_id, 'type' => 'sensei_quiz_grade' ) );
          WooThemes_Sensei_Utils::sensei_delete_activities( array( 'post_id' => $quiz_item->ID, 'user_id' => $user_id, 'type' => 'sensei_quiz_asked' ) );
        }
      }
    	
      // Remove lesson
      WooThemes_Sensei_Utils::sensei_delete_activities( array( 'post_id' => $lesson_item->ID, 'user_id' => $user_id, 'type' => 'sensei_lesson_start' ) );
      WooThemes_Sensei_Utils::sensei_delete_activities( array( 'post_id' => $lesson_item->ID, 'user_id' => $user_id, 'type' => 'sensei_lesson_end' ) );
    }
    
    // Remove course
    WooThemes_Sensei_Utils::sensei_delete_activities( array( 'post_id' => $course_id, 'user_id' => $user_id, 'type' => 'sensei_course_start' ) );
    WooThemes_Sensei_Utils::sensei_delete_activities( array( 'post_id' => $course_id, 'user_id' => $user_id, 'type' => 'sensei_course_end' ) );
  }
}
?>

usage.php

<?php
add_action( 'wp', 'sensei_remove_user' );
function sensei_remove_user() {
  $course_id = 123;
  $user_id = 456;
  sensei_remove_user_from_course( $course_id, $user_id );
}
?>

I don't think this takes care of the user's module progress. which shows up as completed when they restart the course.