diff --git a/classes/external.php b/classes/external.php
index a713182..691376e 100644
--- a/classes/external.php
+++ b/classes/external.php
@@ -22,7 +22,7 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 namespace block_townsquare;
-use core_external\external_function_parameters;
+use external_function_parameters;
 use Exception;
 use external_api;
 use external_value;
@@ -82,20 +82,13 @@ public static function record_usersettings_returns(): external_value {
     public static function record_usersettings($userid, $timefilterpast, $timefilterfuture,
                                                $basicletter, $completionletter, $postletter): bool {
         global $DB, $CFG;
-
         // Parameter validation.
-        /*
         if ($CFG->branch >= 402) {
             $params = self::validate_parameters(self::record_usersettings_parameters(), [
                 'userid' => $userid, 'timefilterpast' => $timefilterpast, 'timefilterfuture' => $timefilterfuture,
                 'basicletter' => $basicletter, 'completionletter' => $completionletter, 'postletter' => $postletter,
             ]);
-        } else {
-            // TODO: delete this branch when Moodle 4.1 is no longer supported.
-            $params = [
-                'userid' => $userid, 'timefilterpast' => $timefilterpast, 'timefilterfuture' => $timefilterfuture,
-                'basicletter' => $basicletter, 'completionletter' => $completionletter, 'postletter' => $postletter, ];
-        }*/
+        }
 
         // Check if the user already has a record in the database.
         if ($records = $DB->get_records('block_townsquare_preferences', ['userid' => $userid])) {
diff --git a/locallib.php b/locallib.php
index d3f8883..29048bf 100644
--- a/locallib.php
+++ b/locallib.php
@@ -26,10 +26,10 @@
  * Function to get the color of a letter.
  *
  * @param string $lettertype        The type of the letter that wants to retrieve its color setting.
- * @return false|mixed              The color of the letter.
+ * @return false|string              The color of the letter.
  * @throws moodle_exception
  */
-function townsquare_get_colorsetting($lettertype) {
+function townsquare_get_colorsetting($lettertype): string {
     switch ($lettertype) {
         case 'basicletter':
             return get_config('block_townsquare', 'basiclettercolor');
diff --git a/tests/behat/behat_block_townsquare.php b/tests/behat/behat_block_townsquare.php
index 707daa0..ef75c69 100644
--- a/tests/behat/behat_block_townsquare.php
+++ b/tests/behat/behat_block_townsquare.php
@@ -68,6 +68,7 @@ public function i_add_an_townsquare_completion_event(string $coursename) {
      */
     public function i_townsquare_debug() {
         global $DB;
+        //\block_townsquare\external::record_usersettings(1, 1, 1, 1, 1, 1);
         $record = $DB->get_records('block_townsquare_preferences');
         var_dump($record);
         ob_flush();
diff --git a/tests/behat/block_townsquare_savepreferences.feature b/tests/behat/block_townsquare_savepreferences.feature
index ce3672c..64d7412 100644
--- a/tests/behat/block_townsquare_savepreferences.feature
+++ b/tests/behat/block_townsquare_savepreferences.feature
@@ -29,6 +29,7 @@ Feature: In the townsquare block user can save their settings in a database.
     Then I should see "Test assign 2" in the "Town Square" "block"
     And I click on "Time filter" "text"
     And I click on "Next two days" "text"
+    And I townsquare debug
     When I click on "Save settings" "text" in the "Town Square" "block"
     Then I should not see "Test assign 2" in the "Town Square" "block"
     And I townsquare debug