diff --git a/lib.php b/lib.php
index 427de9e..f489b2c 100644
--- a/lib.php
+++ b/lib.php
@@ -438,4 +438,4 @@ function subcourse_update_grades($subcourse, $userid=0, $nullifnone=true) {
     } else {
         return subcourse_grade_item_update($subcourse);
     }
-}
\ No newline at end of file
+}
diff --git a/settings.php b/settings.php
index 009f4f9..f0772df 100644
--- a/settings.php
+++ b/settings.php
@@ -46,7 +46,7 @@
             get_string('settings:coursepageprintgrade_desc', 'mod_subcourse'),
             1
         ));
-        
+
         $settings->add(new admin_setting_configcheckbox(
             'mod_subcourse/displayhiddencourses',
             get_string('settings:displayhiddencourses', 'mod_subcourse'),
diff --git a/tests/output_mobile_test.php b/tests/output_mobile_test.php
index d508dc8..1ebdb12 100644
--- a/tests/output_mobile_test.php
+++ b/tests/output_mobile_test.php
@@ -23,8 +23,6 @@
 
 namespace mod_subcourse;
 
-defined('MOODLE_INTERNAL') || die();
-
 /**
  * Unit tests for the methods provided by the {@see \mod_subcourse\output\mobile} class.
  *
diff --git a/version.php b/version.php
index e7f66dc..2f1ddd1 100644
--- a/version.php
+++ b/version.php
@@ -28,5 +28,5 @@
 $plugin->release = 2023103001;
 $plugin->version = 2023103001;
 $plugin->maturity = MATURITY_STABLE;
-$plugin->requires = 2022112800; // Requires 4.1
+$plugin->requires = 2022112800; // Requires 4.1.
 $plugin->supported = [401, 401];