diff --git a/app/Gender.php b/app/Gender.php
index e4efa37f..7b2c25eb 100644
--- a/app/Gender.php
+++ b/app/Gender.php
@@ -6,9 +6,5 @@ use Illuminate\Database\Eloquent\Model;
 
 class Gender extends Model
 {
-    public $fillable = ['name', 'is_null', 'nami_id'];
-
-    public $casts = [
-        'is_null' => 'boolean'
-    ];
+    public $fillable = ['name', 'nami_id'];
 }
diff --git a/app/Initialize/InitializeGenders.php b/app/Initialize/InitializeGenders.php
index a0c3c86e..9793011f 100644
--- a/app/Initialize/InitializeGenders.php
+++ b/app/Initialize/InitializeGenders.php
@@ -6,7 +6,6 @@ class InitializeGenders {
 
     private $bar;
     private $api;
-    public $nullName = 'Keine Angabe';
 
     public function __construct($bar, $api) {
         $this->bar = $bar;
@@ -16,7 +15,7 @@ class InitializeGenders {
     public function handle() {
         $this->bar->task('Synchronisiere Geschlechter', function() {
             $this->api->genders()->each(function($gender) {
-                \App\Gender::create(['nami_id' => $gender->id, 'name' => $gender->name, 'is_null' => $gender->name === $this->nullName]);
+                \App\Gender::create(['nami_id' => $gender->id, 'name' => $gender->name]);
             });
         });
     }
diff --git a/app/Member/MemberController.php b/app/Member/MemberController.php
index afd3d579..2c19f127 100644
--- a/app/Member/MemberController.php
+++ b/app/Member/MemberController.php
@@ -27,7 +27,7 @@ class MemberController extends Controller
         session()->put('title', 'Mitglied bearbeiten');
 
         return \Inertia::render('member/Edit', [
-            'genders' => Gender::where('is_null', false)->get()->pluck('name', 'id'),
+            'genders' => Gender::get()->pluck('name', 'id'),
             'countries' => Country::get()->pluck('name', 'id'),
             'regions' => Region::where('is_null', false)->get()->pluck('name', 'id'),
             'nationalities' => Nationality::get()->pluck('name', 'id'),
diff --git a/database/migrations/2017_07_05_000438_create_genders_table.php b/database/migrations/2017_07_05_000438_create_genders_table.php
index 3fc319f3..3fc4a3b9 100644
--- a/database/migrations/2017_07_05_000438_create_genders_table.php
+++ b/database/migrations/2017_07_05_000438_create_genders_table.php
@@ -16,7 +16,6 @@ class CreateGendersTable extends Migration
         Schema::create('genders', function (Blueprint $table) {
             $table->id();
             $table->string('name');
-            $table->boolean('is_null');
             $table->integer('nami_id');
             $table->timestamps();
         });