diff --git a/OSKA.php b/OSKA.php
index 1281e2820482302680042c4f5431ddea5e924568..a8f63d9b8d2060147d7527c06575bed24d915061 100644
--- a/OSKA.php
+++ b/OSKA.php
@@ -121,15 +121,16 @@ class OSKA extends StudIPPlugin implements StandardPlugin, PortalPlugin
             // Show widget only to first semester Bachelor or Master students
             $show_info = false;
             $studycourses = new SimpleCollection(UserStudyCourse::findByUser($GLOBALS['user']->id));
+            $degree_ids = array_merge(OskaMatches::getBachelorIds(), OskaMatches::getMasterIds());
+            $mentee_degree_ids = [];
 
             // go through all subjects of the user and check if user is first semester and Bachelor/Master student
-            $bachelor_degrees = ['08','12', '14', '61', '62', '65', '91'];
-            $master_degrees = ['10', '13', '17', '18', '19', '20', '46', '60', '63', '64', '66', '67', '68', '69', '70', '71', '72', '73', '74', '81', '82', '83', '84', '85'];
             foreach ($studycourses as $studycourse) {
                 if ($studycourse->semester > 1 || 
-                    in_array($studycourse->abschluss_id, array_merge($bachelor_degrees, $master_degrees)) === false) {
+                    in_array($studycourse->abschluss_id, $degree_ids) === false) {
                     $show_info = true;
                 }
+                $mentee_degree_ids[] = $studycourse->abschluss_id;
             }
 
             // show info if user has no subject
@@ -148,7 +149,7 @@ class OSKA extends StudIPPlugin implements StandardPlugin, PortalPlugin
                     // show form if button was clicked
                     $template = $template_factory->open('widget_form');
                     $template->studycourses = $studycourses;
-                    $template->isBachelor = in_array($studycourse->abschluss_id, $bachelor_degrees);
+                    $template->isBachelor = (count(array_intersect($mentee_degree_ids, OskaMatches::getBachelorIds())) >= 1);
                 } else {
                     // show oska info for first semester students otherwise
                     $template = $template_factory->open('widget_index');
diff --git a/controllers/admin.php b/controllers/admin.php
index 06f6bc115193facc7bdcea8c65e97cb7112330ec..8f8f1a0108f8e600395f341807b742a84a81085e 100644
--- a/controllers/admin.php
+++ b/controllers/admin.php
@@ -556,81 +556,52 @@ class AdminController extends PluginController {
         $this->redirect('admin');
     }
 
-    public function delete_mentee_action($mentee_id, $confirm = false)
+    public function delete_mentee_action($mentee_id)
     {
-        if ($confirm) {
-            $mentor = OskaMatches::getMentor($mentee_id);
-
-            if ($mentor) {
-                $mentor->lowerCounter();
-                $mentor->store();
-                $match = OskaMatches::find([$mentor->user_id, $mentee_id]);
-                $match->delete();
-            }
+        $mentor = OskaMatches::getMentor($mentee_id);
 
-            $mentee = OskaMentees::find($mentee_id);
-            $mentee->delete();
-        } else {
-            PageLayout::postQuestion(
-                sprintf(
-                    _('Mentee wirklich austragen?')
-                )
-            )->setAcceptURL(
-                $this->url_for("admin/delete_mentee/{$mentee_id}/true")
-            );
+        if ($mentor) {
+            $mentor->lowerCounter();
+            $mentor->store();
+            $match = OskaMatches::find([$mentor->user_id, $mentee_id]);
+            $match->delete();
         }
+        $mentee = OskaMentees::find($mentee_id);
+        $mentee->delete();
+
         $this->redirect('admin/mentees');
     }
 
-    public function delete_mentor_action($mentor_id, $confirm = false)
+    public function delete_mentor_action($mentor_id)
     {
-        if ($confirm) {
-            $mentees = OskaMatches::getMentees($mentor_id);
-
-            foreach ($mentees as $mentee) {
-                $match = OskaMatches::find([$mentor_id, $mentee['user_id']]);
-                $match->delete();
-                $mentee = OskaMentees::find($mentee['user_id']);
-                $mentee->has_tutor = false;
-                $mentee->store();
-            }
+        $mentees = OskaMatches::getMentees($mentor_id);
 
-            $mentor = OskaMentors::find($mentor_id);
-            $mentor->delete();
-        } else {
-            PageLayout::postQuestion(
-                sprintf(
-                    _('Mentor wirklich austragen?')
-                )
-            )->setAcceptURL(
-                $this->url_for("admin/delete_mentor/{$mentor_id}/true")
-            );
+        foreach ($mentees as $mentee) {
+            $match = OskaMatches::find([$mentor_id, $mentee['user_id']]);
+            $match->delete();
+            $mentee = OskaMentees::find($mentee['user_id']);
+            $mentee->has_tutor = false;
+            $mentee->store();
         }
+        $mentor = OskaMentors::find($mentor_id);
+        $mentor->delete();
+
         $this->redirect('admin/mentors');
     }
 
-    public function delete_match_action($mentee_id, $mentor_id, $confirm = false)
+    public function delete_match_action($mentee_id, $mentor_id)
     {
-        if ($confirm) {
-            $mentee = OskaMentees::find($mentee_id);
-            $mentee->has_tutor = false;
-            $mentee->store();
+        $mentee = OskaMentees::find($mentee_id);
+        $mentee->has_tutor = false;
+        $mentee->store();
 
-            $mentor = OskaMentors::find($mentor_id);
-            $mentor->lowerCounter();
-            $mentor->store();
+        $mentor = OskaMentors::find($mentor_id);
+        $mentor->lowerCounter();
+        $mentor->store();
+
+        $match = OskaMatches::find([$mentor_id, $mentee_id]);
+        $match->delete();
 
-            $match = OskaMatches::find([$mentor_id, $mentee_id]);
-            $match->delete();
-        } else {
-            PageLayout::postQuestion(
-                sprintf(
-                    _('Wollen Sie das Match wirklich löschen?')
-                )
-            )->setAcceptURL(
-                $this->url_for("admin/delete_match/{$mentee_id}/{$mentor_id}/true")
-            );
-        }
         $this->redirect('admin/matches');
     }
 
@@ -642,15 +613,17 @@ class AdminController extends PluginController {
             $role_table = 'oska_mentees';
         }
 
+        $degree_ids = array_merge(OskaMatches::getBachelorIds(), OskaMatches::getMasterIds());
+
         $sql = "SELECT DISTINCT fach.fach_id, fach.name FROM $role_table JOIN user_studiengang " .
                "on $role_table.user_id = user_studiengang.user_id JOIN fach " .
                "on user_studiengang.fach_id = fach.fach_id join abschluss " .
                "on user_studiengang.abschluss_id = abschluss.abschluss_id " .
-               "WHERE abschluss.abschluss_id IN ('08','12','14','61','62','65','91','10','13','17','18','19','20','46','60','63','64','66','67','68','69','70','71','72','73','74','81','82','83','84','85')" .
+               "WHERE abschluss.abschluss_id IN (?)" .
                "ORDER BY fach.name ASC";
 
         $statement = DBManager::get()->prepare($sql);
-        $statement->execute($parameters);
+        $statement->execute([$degree_ids]);
         $subjects = $statement->fetchAll();
 
         return $subjects;
diff --git a/models/OskaMatches.php b/models/OskaMatches.php
index 6230a438b2917825080ca69619d5254ae0e2c874..caa897bb46b3bf2c700f3cb17574a2de7f78d577 100755
--- a/models/OskaMatches.php
+++ b/models/OskaMatches.php
@@ -118,4 +118,44 @@ class OskaMatches extends SimpleORMap
 
         return $matches;
     }
+
+    public function getBachelorIds()
+    {
+        $sql = "
+            SELECT
+                abschluss_id
+            FROM
+                mvv_abschl_zuord
+            WHERE
+                kategorie_id = '1'";
+        $statement = DBManager::get()->prepare($sql);
+        $statement->execute();
+        $results = $statement->fetchAll();
+
+        $bachelor_ids = [];
+        foreach($results as $result) {
+            array_push($bachelor_ids, $result['abschluss_id']);
+        }
+        return array_merge($bachelor_ids, ['08']);
+    }
+
+    public function getMasterIds()
+    {
+        $sql = "
+            SELECT
+                abschluss_id
+            FROM
+                mvv_abschl_zuord
+            WHERE
+                kategorie_id = '2'";
+        $statement = DBManager::get()->prepare($sql);
+        $statement->execute();
+        $results = $statement->fetchAll();
+
+        $master_ids = [];
+        foreach($results as $result) {
+            array_push($master_ids, $result['abschluss_id']);
+        }
+        return $master_ids;
+    }
 }
diff --git a/models/OskaMentees.php b/models/OskaMentees.php
index 3e925003be8e0fd540c92c14f8951a21ffd098f4..d26fdbcac7d9961341e2c58ca4de2856f2aff6bd 100755
--- a/models/OskaMentees.php
+++ b/models/OskaMentees.php
@@ -66,10 +66,10 @@ class OskaMentees extends SimpleORMap
 
     public function isMaster()
     {
-        $master_degrees = ['10', '13', '17', '18', '19', '20', '46', '60', '63', '64', '66', '67', '68', '69', '70', '71', '72', '73', '74', '81', '82', '83', '84', '85'];
         $studycourses = new SimpleCollection(UserStudyCourse::findByUser($this->user_id));
+        $master_ids = OskaMatches::getMasterIds();
         foreach ($studycourses as $studycourse) {
-            if (in_array($studycourse->abschluss_id, $master_degrees)) {
+            if (in_array($studycourse->abschluss_id, $master_ids)) {
                 return true;
             }
         }
diff --git a/models/OskaMentors.php b/models/OskaMentors.php
index 46775320b928addf01af2d3e094aba65b3b260ec..30aaeecaeaa8ac810c30a57d34ae025d2bdcf33a 100755
--- a/models/OskaMentors.php
+++ b/models/OskaMentors.php
@@ -89,10 +89,10 @@ class OskaMentors extends SimpleORMap
 
     public function isMaster()
     {
-        $master_degrees = ['10', '13', '17', '18', '19', '20', '46', '60', '63', '64', '66', '67', '68', '69', '70', '71', '72', '73', '74', '81', '82', '83', '84', '85'];
         $studycourses = new SimpleCollection(UserStudyCourse::findByUser($this->user_id));
+        $master_ids = OskaMatches::getMasterIds();
         foreach ($studycourses as $studycourse) {
-            if (in_array($studycourse->abschluss_id, $master_degrees)) {
+            if (in_array($studycourse->abschluss_id, $master_ids)) {
                 return true;
             }
         }
diff --git a/plugin.manifest b/plugin.manifest
index b9d5274ad01e0490a8c5a92bec799d795bf90edf..b299f63e5021f961e251ddf5b9ce6ef013f10630 100644
--- a/plugin.manifest
+++ b/plugin.manifest
@@ -1,7 +1,7 @@
 pluginclassname=OSKA
 pluginname=OSKA
 origin=virtUOS
-version=1.1.6
+version=1.1.7
 studipMinVersion=4.0
 studipMaxVersion=5.2.99
 category=Kommunikation und Zusammenarbeit
diff --git a/views/admin/matches.php b/views/admin/matches.php
index c5e0123f65b29cf989a117fc3e1b789a00609907..313605de914f7f5ad08669cfea1680beed0008af 100644
--- a/views/admin/matches.php
+++ b/views/admin/matches.php
@@ -65,9 +65,8 @@
                     <? $actionMenu->addLink(
                         $controller->url_for("admin/delete_match/{$match['mentee']->user_id}/{$match['mentor']->id}"),
                                 _('Match löschen'),
-                                Icon::create('trash', 'clickable', [
-                                    'title' => _('Match löschen'),
-                                ])
+                                Icon::create('trash', 'clickable'),
+                                ['data-confirm' => _('Wollen Sie das Match wirklich löschen?')]
                     ) ?>
                     <?= $actionMenu->render() ?>
                 </td>
diff --git a/views/admin/mentees.php b/views/admin/mentees.php
index 313c4a3f8f9254070e897bd20a5c439c04dab1da..f828dfdc6bc1addef2f268860c2c3ca5b77f1901 100644
--- a/views/admin/mentees.php
+++ b/views/admin/mentees.php
@@ -80,9 +80,8 @@
                     <? $actionMenu->addLink(
                         $controller->url_for('admin/delete_mentee/' . $mentee['user']->user_id),
                                 _('Mentee löschen'),
-                                Icon::create('trash', 'clickable', [
-                                    'title' => _('Mentee löschen'),
-                                ])
+                                Icon::create('trash', 'clickable'),
+                                ['data-confirm' => _('Mentee wirklich austragen?')]
                     ) ?>
                     <?= $actionMenu->render() ?>
                 </td>
diff --git a/views/admin/mentors.php b/views/admin/mentors.php
index 96ebb679c259ab22a437997e422c9163d740bed9..4b0ca1df1f3bf63a2aa4e4f9e26dfdd6ddde9a0c 100644
--- a/views/admin/mentors.php
+++ b/views/admin/mentors.php
@@ -84,9 +84,8 @@
                     <? $actionMenu->addLink(
                         $controller->url_for('admin/delete_mentor/' . $mentor['user']->id),
                                 _('Mentor löschen'),
-                                Icon::create('trash', 'clickable', [
-                                    'title' => _('Mentor löschen'),
-                                ])
+                                Icon::create('trash', 'clickable'),
+                                ['data-confirm' => _('Mentor wirklich austragen?')]
                     ) ?>
                     <?= $actionMenu->render() ?>
                 </td>