diff --git a/assets/vue/composables/document/documentActionButtons.js b/assets/vue/composables/document/documentActionButtons.js
index a1b49315d4..f3dfffc949 100644
--- a/assets/vue/composables/document/documentActionButtons.js
+++ b/assets/vue/composables/document/documentActionButtons.js
@@ -29,7 +29,7 @@ export function useDocumentActionButtons() {
     if (isAllowedToEdit) {
       if (!isCertificateMode.value) {
         showNewDocumentButton.value = true
-        showRecordAudioButton.value = "true" === platformConfigStore.getSetting("course.enable_record_audio")
+        showRecordAudioButton.value = true
         showUploadButton.value = true
         showNewFolderButton.value = true
         showNewCloudFileButton.value = true // enable_add_file_link ?
diff --git a/public/main/exercise/exercise_show.php b/public/main/exercise/exercise_show.php
index 3384485261..9837fc4bf4 100644
--- a/public/main/exercise/exercise_show.php
+++ b/public/main/exercise/exercise_show.php
@@ -141,7 +141,7 @@ if (!$is_allowedToEdit) {
     }
 }
 
-$allowRecordAudio = 'true' === api_get_setting('enable_record_audio');
+$allowRecordAudio = true;
 $allowTeacherCommentAudio = ('true' === api_get_setting('exercise.allow_teacher_comment_audio'));
 
 //$js = '<script>'.api_get_language_translate_html().'</script>';
diff --git a/public/main/exercise/exercise_submit.php b/public/main/exercise/exercise_submit.php
index 67d34449b2..8016a92014 100644
--- a/public/main/exercise/exercise_submit.php
+++ b/public/main/exercise/exercise_submit.php
@@ -77,10 +77,8 @@ if ('true' === api_get_setting('exercise.quiz_prevent_copy_paste')) {
     $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_JS_PATH).'jquery.nocopypaste.js"></script>';
 }
 
-if ('true' === api_get_setting('enable_record_audio')) {
-    $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_JS_PATH).'rtc/RecordRTC.js"></script>';
-    $htmlHeadXtra[] = api_get_js('record_audio/record_audio.js');
-}
+$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_JS_PATH).'rtc/RecordRTC.js"></script>';
+$htmlHeadXtra[] = api_get_js('record_audio/record_audio.js');
 
 $zoomOptions = api_get_setting('exercise.quiz_image_zoom', true);
 if (isset($zoomOptions['options']) && !in_array($origin, ['embeddable', 'mobileapp'])) {
diff --git a/public/main/exercise/question.class.php b/public/main/exercise/question.class.php
index 2e7715dc24..cc54ef952d 100644
--- a/public/main/exercise/question.class.php
+++ b/public/main/exercise/question.class.php
@@ -1097,10 +1097,6 @@ abstract class Question
      */
     public static function get_question_type($type)
     {
-        if (ORAL_EXPRESSION == $type && 'true' !== api_get_setting('enable_record_audio')) {
-            return null;
-        }
-
         return self::$questionTypes[$type];
     }
 
@@ -1109,10 +1105,6 @@ abstract class Question
      */
     public static function getQuestionTypeList()
     {
-        if ('true' !== api_get_setting('enable_record_audio')) {
-            self::$questionTypes[ORAL_EXPRESSION] = null;
-            unset(self::$questionTypes[ORAL_EXPRESSION]);
-        }
         if ('true' !== api_get_setting('enable_quiz_scenario')) {
             self::$questionTypes[HOT_SPOT_DELINEATION] = null;
             unset(self::$questionTypes[HOT_SPOT_DELINEATION]);
diff --git a/public/main/exercise/question_list_admin.inc.php b/public/main/exercise/question_list_admin.inc.php
index 591063d9dd..c0bc38ff52 100644
--- a/public/main/exercise/question_list_admin.inc.php
+++ b/public/main/exercise/question_list_admin.inc.php
@@ -144,11 +144,11 @@ if (isset($exerciseId) && $exerciseId > 0) {
         // In building mode show all questions not render by teacher order.
         $objExercise->questionSelectionType = EX_Q_SELECTION_ORDERED;
         $allowQuestionOrdering = true;
-        $showPagination = api_get_setting('exercise.show_question_pagination');
-        $length = api_get_setting('exercise.question_pagination_length');
+        $showPagination = 'true' === api_get_setting('exercise.show_question_pagination');
+        $length = (int) api_get_setting('exercise.question_pagination_length') ?: 30;
         $page = isset($_GET['page']) ? (int)$_GET['page'] : 1;
 
-        if (!empty($showPagination) && $nbrQuestions > $showPagination) {
+        if ($showPagination && $nbrQuestions > $length) {
             $allowQuestionOrdering = false;
             $start = ($page - 1) * $length;
             $questionList = $objExercise->selectQuestionList(true, true);
@@ -310,13 +310,15 @@ if (isset($exerciseId) && $exerciseId > 0) {
 
         echo '</div>'; //question list div
         // Pagination navigation
-        $totalPages = ceil($nbrQuestions / $length);
-        echo '<div class="pagination flex justify-center mt-4">';
-        for ($i = 1; $i <= $totalPages; $i++) {
-            $isActive = ($i == $page) ? 'bg-primary text-white' : 'border-gray-300 text-gray-700 hover:bg-gray-200';
-            echo '<a href="?'.http_build_query(array_merge($_GET, ['page' => $i])).'" class="mx-1 px-4 py-2 border '.$isActive.' rounded">'.$i.'</a>';
+        if ($showPagination && $nbrQuestions > $length) {
+            $totalPages = ceil($nbrQuestions / $length);
+            echo '<div class="pagination flex justify-center mt-4">';
+            for ($i = 1; $i <= $totalPages; $i++) {
+                $isActive = ($i == $page) ? 'bg-primary text-white' : 'border-gray-300 text-gray-700 hover:bg-gray-200';
+                echo '<a href="?' . http_build_query(array_merge($_GET, ['page' => $i])) . '" class="mx-1 px-4 py-2 border ' . $isActive . ' rounded">' . $i . '</a>';
+            }
+            echo '</div>';
         }
-        echo '</div>';
     } else {
         echo Display::return_message(get_lang('Questions list (there is no question so far).'), 'warning');
     }
diff --git a/public/main/inc/lib/exercise.lib.php b/public/main/inc/lib/exercise.lib.php
index 918f890dc9..c79021e061 100644
--- a/public/main/inc/lib/exercise.lib.php
+++ b/public/main/inc/lib/exercise.lib.php
@@ -201,15 +201,13 @@ class ExerciseLib
                     break;
                 case ORAL_EXPRESSION:
                     // Add nanog
-                    if ('true' === api_get_setting('enable_record_audio')) {
-                        //@todo pass this as a parameter
-                        global $exercise_stat_info;
-                        if (!empty($exercise_stat_info)) {
-                            echo $objQuestionTmp->returnRecorder((int) $exercise_stat_info['exe_id']);
-                            $generatedFile = self::getOralFileAudio($exercise_stat_info['exe_id'], $questionId);
-                            if (!empty($generatedFile)) {
-                                echo $generatedFile;
-                            }
+                    //@todo pass this as a parameter
+                    global $exercise_stat_info;
+                    if (!empty($exercise_stat_info)) {
+                        echo $objQuestionTmp->returnRecorder((int) $exercise_stat_info['exe_id']);
+                        $generatedFile = self::getOralFileAudio($exercise_stat_info['exe_id'], $questionId);
+                        if (!empty($generatedFile)) {
+                            echo $generatedFile;
                         }
                     }
 
diff --git a/public/main/install/profiles/prod.json b/public/main/install/profiles/prod.json
index 428be66c4d..3977aba7c9 100644
--- a/public/main/install/profiles/prod.json
+++ b/public/main/install/profiles/prod.json
@@ -43,11 +43,6 @@
             "subkey": "",
             "selected_value": "true"
         },
-        {
-            "variable": "enabled_text2audio",
-            "subkey": "",
-            "selected_value": "true"
-        },
         {
             "variable": "gradebook_score_display_coloring",
             "subkey": "",
@@ -59,4 +54,4 @@
             "selected_value": "true"
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/public/main/lp/lp_add_audio.php b/public/main/lp/lp_add_audio.php
index 3838c1227c..07fd028901 100644
--- a/public/main/lp/lp_add_audio.php
+++ b/public/main/lp/lp_add_audio.php
@@ -132,7 +132,7 @@ $tpl = new Template(get_lang('Add'));
 $tpl->assign('unique_file_id', api_get_unique_id());
 $tpl->assign('course_code', api_get_course_id());
 $tpl->assign('filename', $lp_item->get_title().'_nano.wav');
-$tpl->assign('enable_record_audio', 'true' === api_get_setting('enable_record_audio'));
+$tpl->assign('enable_record_audio', true);
 $tpl->assign('cur_dir_path', '/audio');
 $tpl->assign('lp_item_id', $lp_item_id);
 //$tpl->assign('lp_dir', api_remove_trailing_slash($lpPathInfo['dir']));
diff --git a/src/CoreBundle/Controller/PlatformConfigurationController.php b/src/CoreBundle/Controller/PlatformConfigurationController.php
index c54e5b6450..5179d8c03c 100644
--- a/src/CoreBundle/Controller/PlatformConfigurationController.php
+++ b/src/CoreBundle/Controller/PlatformConfigurationController.php
@@ -76,7 +76,6 @@ class PlatformConfigurationController extends AbstractController
                 'course.course_validation',
                 'course.student_view_enabled',
                 'course.allow_edit_tool_visibility_in_session',
-                'course.enable_record_audio',
                 'session.limit_session_admin_role',
                 'session.allow_session_admin_read_careers',
                 'session.limit_session_admin_list_users',
diff --git a/src/CoreBundle/DataFixtures/SettingsCurrentFixtures.php b/src/CoreBundle/DataFixtures/SettingsCurrentFixtures.php
index 79a7b421e8..d60d436d8a 100644
--- a/src/CoreBundle/DataFixtures/SettingsCurrentFixtures.php
+++ b/src/CoreBundle/DataFixtures/SettingsCurrentFixtures.php
@@ -363,11 +363,6 @@ class SettingsCurrentFixtures extends Fixture implements FixtureGroupInterface
                     'title' => 'Courses custom icons',
                     'comment' => 'Use course images as the course icon in courses lists (instead of the default green blackboard icon).',
                 ],
-                [
-                    'name' => 'enable_record_audio',
-                    'title' => 'Enable audio recorder',
-                    'comment' => 'Enables the WebRTC (flashless) audio recorder at several locations inside Chamilo',
-                ],
                 [
                     'name' => 'hide_scorm_copy_link',
                     'title' => 'Hide SCORM Copy',
@@ -816,11 +811,6 @@ class SettingsCurrentFixtures extends Fixture implements FixtureGroupInterface
                     'title' => 'Enable Webcam Clip',
                     'comment' => 'Webcam Clip allow to users capture images from his webcam and send them to server in JPEG (.jpg or .jpeg) format',
                 ],
-                [
-                    'name' => 'enabled_text2audio',
-                    'title' => 'Enable online services for text to speech conversion',
-                    'comment' => 'Online tool to convert text to speech. Uses speech synthesis technology to generate audio files saved into your course.',
-                ],
                 [
                     'name' => 'pdf_export_watermark_by_course',
                     'title' => 'Enable watermark definition by course',
diff --git a/src/CoreBundle/Migrations/Schema/V200/Version20170627122900.php b/src/CoreBundle/Migrations/Schema/V200/Version20170627122900.php
index 7a1ab61ce8..acddc37f96 100644
--- a/src/CoreBundle/Migrations/Schema/V200/Version20170627122900.php
+++ b/src/CoreBundle/Migrations/Schema/V200/Version20170627122900.php
@@ -205,7 +205,6 @@ class Version20170627122900 extends AbstractMigrationChamilo
             'server_type' => 'platform',
             'show_official_code_whoisonline' => 'profile',
             'show_terms_if_profile_completed' => 'ticket',
-            'enable_record_audio' => 'course',
             'add_users_by_coach' => 'session',
             'allow_captcha' => 'security',
             'allow_coach_to_edit_course_session' => 'session',
@@ -236,7 +235,6 @@ class Version20170627122900 extends AbstractMigrationChamilo
             'enable_webcam_clip' => 'document',
             'enabled_support_pixlr' => 'editor',
             'enabled_support_svg' => 'editor',
-            'enabled_text2audio' => 'document',
             'extend_rights_for_coach' => 'session',
             'extend_rights_for_coach_on_survey' => 'survey',
             'hide_course_group_if_no_tools_available' => 'group',
diff --git a/src/CoreBundle/Settings/CourseSettingsSchema.php b/src/CoreBundle/Settings/CourseSettingsSchema.php
index 916c932c3f..c611b340c0 100644
--- a/src/CoreBundle/Settings/CourseSettingsSchema.php
+++ b/src/CoreBundle/Settings/CourseSettingsSchema.php
@@ -85,7 +85,6 @@ class CourseSettingsSchema extends AbstractSettingsSchema
                     'course_images_in_courses_list' => 'true',
                     'teacher_can_select_course_template' => 'true',
                     'show_toolshortcuts' => '',
-                    'enable_record_audio' => 'false',
                     'lp_show_reduced_report' => 'false',
                     'course_creation_splash_screen' => 'true',
                     'block_registered_users_access_to_open_course_contents' => 'false',
@@ -246,7 +245,6 @@ class CourseSettingsSchema extends AbstractSettingsSchema
             ->add('course_images_in_courses_list', YesNoType::class)
             ->add('teacher_can_select_course_template', YesNoType::class)
             ->add('show_toolshortcuts', YesNoType::class)
-            ->add('enable_record_audio', YesNoType::class)
             ->add('lp_show_reduced_report', YesNoType::class)
             ->add('course_creation_splash_screen', YesNoType::class)
             ->add('block_registered_users_access_to_open_course_contents', YesNoType::class)
diff --git a/src/CoreBundle/Settings/DocumentSettingsSchema.php b/src/CoreBundle/Settings/DocumentSettingsSchema.php
index 4ff0114882..b6c3797469 100644
--- a/src/CoreBundle/Settings/DocumentSettingsSchema.php
+++ b/src/CoreBundle/Settings/DocumentSettingsSchema.php
@@ -39,8 +39,6 @@ class DocumentSettingsSchema extends AbstractSettingsSchema
                     'students_export2pdf' => 'true',
                     'show_users_folders' => 'true',
                     'show_default_folders' => 'true',
-                    'enabled_text2audio' => 'false',
-                    // 'enable_nanogong' => 'false',
                     'show_documents_preview' => 'false',
                     'enable_webcam_clip' => 'false',
                     'tool_visible_by_default_at_creation' => [
@@ -121,7 +119,6 @@ class DocumentSettingsSchema extends AbstractSettingsSchema
             ->add('students_export2pdf', YesNoType::class)
             ->add('show_users_folders', YesNoType::class)
             ->add('show_default_folders', YesNoType::class)
-            ->add('enabled_text2audio', YesNoType::class)
             // ->add('enable_nanogong', YesNoType::class)
             ->add('show_documents_preview', YesNoType::class)
             ->add('enable_webcam_clip', YesNoType::class)
diff --git a/src/CoreBundle/Settings/SettingsManager.php b/src/CoreBundle/Settings/SettingsManager.php
index b4db2b7831..d46bfbf71f 100644
--- a/src/CoreBundle/Settings/SettingsManager.php
+++ b/src/CoreBundle/Settings/SettingsManager.php
@@ -652,7 +652,6 @@ class SettingsManager implements SettingsManagerInterface
             'show_users_folders' => 'Tools',
             'show_default_folders' => 'Tools',
             'show_chat_folder' => 'Tools',
-            'enabled_text2audio' => 'Tools',
             'course_hide_tools' => 'Course',
             'enabled_support_pixlr' => 'Tools',
             'show_groups_to_users' => 'Session',
@@ -791,7 +790,6 @@ class SettingsManager implements SettingsManagerInterface
             'messaging_gdc_project_number' => 'WebServices',
             'messaging_gdc_api_key' => 'WebServices',
             'teacher_can_select_course_template' => 'Course',
-            'enable_record_audio' => 'Tools',
             'allow_show_skype_account' => 'Platform',
             'allow_show_linkedin_url' => 'Platform',
             'enable_profile_user_address_geolocalization' => 'User',
@@ -953,8 +951,6 @@ class SettingsManager implements SettingsManagerInterface
             'enabled_support_svg' => 'editor',
             'enabled_support_pixlr' => 'editor',
             'enable_webcam_clip' => 'document',
-            'enable_record_audio' => 'course',
-            'enabled_text2audio' => 'document',
             'permanently_remove_deleted_files' => 'document',
             'allow_delete_attendance' => 'attendance',
             'display_groups_forum_in_general_tool' => 'forum',