diff --git a/README.md b/README.md
index 72e2b6b..c93d109 100755
--- a/README.md
+++ b/README.md
@@ -1,10 +1,8 @@
 # block_timetable #
 
-block_timetable is a moodle-block-plugin that provides timetables based on Untis export data.
+TODO Describe the plugin shortly here.
 
-![timetable text](doc/timetable1_small.png)
-
-The plugin requires that the mod_timetable plugin is installed.
+TODO Provide more detailed description here.
 
 ## License ##
 
diff --git a/doc/.gitkeep b/doc/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/doc/timetable1.png b/doc/timetable1.png
deleted file mode 100644
index 5ca0612..0000000
Binary files a/doc/timetable1.png and /dev/null differ
diff --git a/doc/timetable1_small.png b/doc/timetable1_small.png
deleted file mode 100644
index 4ce3478..0000000
Binary files a/doc/timetable1_small.png and /dev/null differ
diff --git a/edit_form.php b/edit_form.php
index b634815..8fd0f8d 100755
--- a/edit_form.php
+++ b/edit_form.php
@@ -40,9 +40,6 @@ class block_timetable_edit_form extends block_edit_form {
         $mform->addElement('header', 'configheader', get_string('blocksettings', 'block'));
 
         // Please keep in mind that all elements defined here must start with 'config_'.
-        $mform->addElement('text', 'config_class', get_string('class', 'block_timetable'));
-        $mform->setDefault('config_class', '');
-        $mform->setType('config_class', PARAM_RAW);
 
     }
 }
diff --git a/lang/en/block_timetable.php b/lang/en/block_timetable.php
index 6b14a68..0cc3c12 100755
--- a/lang/en/block_timetable.php
+++ b/lang/en/block_timetable.php
@@ -26,6 +26,3 @@
 defined('MOODLE_INTERNAL') || die();
 
 $string['pluginname'] = 'timetable';
-$string['timetable:addinstance'] = 'add timetable';
-$string['timetable:addmyinstance'] = 'add timetable';
-$string['class'] = 'class';
diff --git a/version.php b/version.php
index 1bba05c..57d2397 100755
--- a/version.php
+++ b/version.php
@@ -26,7 +26,7 @@ defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'block_timetable';
 $plugin->release = '0.1.0';
-$plugin->version = 2020120402;
+$plugin->version = 2020112101;
 $plugin->requires = 2020061500;
 $plugin->maturity = MATURITY_ALPHA;
 $plugin->dependencies = [