diff --git a/fixtures/sample/category.json b/fixtures/sample/category.json
index 7dd5d90b3fc1edbd2fbb16e6acae841c0c129d39..743ae0704a16b8e7ccb6b62d7fd316646169e2c7 100644
--- a/fixtures/sample/category.json
+++ b/fixtures/sample/category.json
@@ -5,7 +5,6 @@
     "fields": {
       "name": "Interkulturell",
       "slug": "interkulturell",
-      "is_active": true,
       "description": ""
     }
   },
@@ -15,7 +14,6 @@
     "fields": {
       "name": "Lokalbezug",
       "slug": "lokalbezug",
-      "is_active": true,
       "description": ""
     }
   },
@@ -25,7 +23,6 @@
     "fields": {
       "name": "Minderheiten",
       "slug": "minderheiten",
-      "is_active": true,
       "description": ""
     }
   },
@@ -35,7 +32,6 @@
     "fields": {
       "name": "Wiederholung",
       "slug": "wiederholung",
-      "is_active": true,
       "description": ""
     }
   },
@@ -45,7 +41,6 @@
     "fields": {
       "name": "Mehr-/Fremdsprachig",
       "slug": "mehr-fremdsprachig",
-      "is_active": true,
       "description": ""
     }
   },
@@ -55,7 +50,6 @@
     "fields": {
       "name": "Frauenschwerpunkt",
       "slug": "frauenschwerpunkt",
-      "is_active": true,
       "description": ""
     }
   },
@@ -65,7 +59,6 @@
     "fields": {
       "name": "Österreichische Musik",
       "slug": "osterreichische-musik",
-      "is_active": true,
       "description": ""
     }
   },
@@ -75,7 +68,6 @@
     "fields": {
       "name": "Sendungsübernahme",
       "slug": "sendungsubernahme",
-      "is_active": true,
       "description": ""
     }
   }
diff --git a/fixtures/sample/fundingcategory.json b/fixtures/sample/fundingcategory.json
index a8c71fb09406f6a5c402202b110c5e5abbd89568..753c02347d07d31d9bfe32f5f2b69ac489ac032d 100644
--- a/fixtures/sample/fundingcategory.json
+++ b/fixtures/sample/fundingcategory.json
@@ -4,8 +4,7 @@
     "pk": 1,
     "fields": {
       "name": "Standard",
-      "slug": "standard",
-      "is_active": true
+      "slug": "standard"
     }
   }
 ]
diff --git a/fixtures/sample/language.json b/fixtures/sample/language.json
index a1b5447bccc8e0af6e7b9c3b0ca3dd2ea2974183..d2f3e1c9ab60bd497af0a7a632fce6d662135a8d 100644
--- a/fixtures/sample/language.json
+++ b/fixtures/sample/language.json
@@ -3,384 +3,336 @@
     "model": "program.language",
     "pk": 1,
     "fields": {
-      "name": "Deutsch",
-      "is_active": true
+      "name": "Deutsch"
     }
   },
   {
     "model": "program.language",
     "pk": 2,
     "fields": {
-      "name": "Englisch",
-      "is_active": true
+      "name": "Englisch"
     }
   },
   {
     "model": "program.language",
     "pk": 3,
     "fields": {
-      "name": "Spanisch",
-      "is_active": true
+      "name": "Spanisch"
     }
   },
   {
     "model": "program.language",
     "pk": 4,
     "fields": {
-      "name": "Polnisch",
-      "is_active": true
+      "name": "Polnisch"
     }
   },
   {
     "model": "program.language",
     "pk": 5,
     "fields": {
-      "name": "Farsi",
-      "is_active": true
+      "name": "Farsi"
     }
   },
   {
     "model": "program.language",
     "pk": 6,
     "fields": {
-      "name": "Französisch",
-      "is_active": true
+      "name": "Französisch"
     }
   },
   {
     "model": "program.language",
     "pk": 7,
     "fields": {
-      "name": "Slowenisch",
-      "is_active": true
+      "name": "Slowenisch"
     }
   },
   {
     "model": "program.language",
     "pk": 8,
     "fields": {
-      "name": "Persisch",
-      "is_active": true
+      "name": "Persisch"
     }
   },
   {
     "model": "program.language",
     "pk": 9,
     "fields": {
-      "name": "Arabisch",
-      "is_active": true
+      "name": "Arabisch"
     }
   },
   {
     "model": "program.language",
     "pk": 10,
     "fields": {
-      "name": "Türkisch",
-      "is_active": true
+      "name": "Türkisch"
     }
   },
   {
     "model": "program.language",
     "pk": 11,
     "fields": {
-      "name": "Japanisch",
-      "is_active": true
+      "name": "Japanisch"
     }
   },
   {
     "model": "program.language",
     "pk": 12,
     "fields": {
-      "name": "Italienisch",
-      "is_active": true
+      "name": "Italienisch"
     }
   },
   {
     "model": "program.language",
     "pk": 13,
     "fields": {
-      "name": "Tschechisch",
-      "is_active": true
+      "name": "Tschechisch"
     }
   },
   {
     "model": "program.language",
     "pk": 14,
     "fields": {
-      "name": "Russisch",
-      "is_active": true
+      "name": "Russisch"
     }
   },
   {
     "model": "program.language",
     "pk": 15,
     "fields": {
-      "name": "Chinesisch",
-      "is_active": true
+      "name": "Chinesisch"
     }
   },
   {
     "model": "program.language",
     "pk": 16,
     "fields": {
-      "name": "Ungarisch",
-      "is_active": true
+      "name": "Ungarisch"
     }
   },
   {
     "model": "program.language",
     "pk": 17,
     "fields": {
-      "name": "Serbisch",
-      "is_active": true
+      "name": "Serbisch"
     }
   },
   {
     "model": "program.language",
     "pk": 18,
     "fields": {
-      "name": "Portugiesisch",
-      "is_active": true
+      "name": "Portugiesisch"
     }
   },
   {
     "model": "program.language",
     "pk": 19,
     "fields": {
-      "name": "Kroatisch",
-      "is_active": true
+      "name": "Kroatisch"
     }
   },
   {
     "model": "program.language",
     "pk": 20,
     "fields": {
-      "name": "Albanisch",
-      "is_active": true
+      "name": "Albanisch"
     }
   },
   {
     "model": "program.language",
     "pk": 21,
     "fields": {
-      "name": "Dari",
-      "is_active": true
+      "name": "Dari"
     }
   },
   {
     "model": "program.language",
     "pk": 22,
     "fields": {
-      "name": "Bosnisch",
-      "is_active": true
+      "name": "Bosnisch"
     }
   },
   {
     "model": "program.language",
     "pk": 23,
     "fields": {
-      "name": "Kurdisch",
-      "is_active": true
+      "name": "Kurdisch"
     }
   },
   {
     "model": "program.language",
     "pk": 24,
     "fields": {
-      "name": "Aserbaidschanisch",
-      "is_active": true
+      "name": "Aserbaidschanisch"
     }
   },
   {
     "model": "program.language",
     "pk": 25,
     "fields": {
-      "name": "Slowakisch",
-      "is_active": true
+      "name": "Slowakisch"
     }
   },
   {
     "model": "program.language",
     "pk": 26,
     "fields": {
-      "name": "Niederländisch",
-      "is_active": true
+      "name": "Niederländisch"
     }
   },
   {
     "model": "program.language",
     "pk": 27,
     "fields": {
-      "name": "Bulgarisch",
-      "is_active": true
+      "name": "Bulgarisch"
     }
   },
   {
     "model": "program.language",
     "pk": 28,
     "fields": {
-      "name": "Somali",
-      "is_active": true
+      "name": "Somali"
     }
   },
   {
     "model": "program.language",
     "pk": 29,
     "fields": {
-      "name": "Tschetschenisch",
-      "is_active": true
+      "name": "Tschetschenisch"
     }
   },
   {
     "model": "program.language",
     "pk": 30,
     "fields": {
-      "name": "Dänisch",
-      "is_active": true
+      "name": "Dänisch"
     }
   },
   {
     "model": "program.language",
     "pk": 31,
     "fields": {
-      "name": "Rumänisch",
-      "is_active": true
+      "name": "Rumänisch"
     }
   },
   {
     "model": "program.language",
     "pk": 32,
     "fields": {
-      "name": "Thai",
-      "is_active": true
+      "name": "Thai"
     }
   },
   {
     "model": "program.language",
     "pk": 33,
     "fields": {
-      "name": "Finnisch",
-      "is_active": true
+      "name": "Finnisch"
     }
   },
   {
     "model": "program.language",
     "pk": 34,
     "fields": {
-      "name": "Romanes",
-      "is_active": true
+      "name": "Romanes"
     }
   },
   {
     "model": "program.language",
     "pk": 35,
     "fields": {
-      "name": "Griechisch",
-      "is_active": true
+      "name": "Griechisch"
     }
   },
   {
     "model": "program.language",
     "pk": 36,
     "fields": {
-      "name": "Singhalesisch",
-      "is_active": true
+      "name": "Singhalesisch"
     }
   },
   {
     "model": "program.language",
     "pk": 37,
     "fields": {
-      "name": "Urdu",
-      "is_active": true
+      "name": "Urdu"
     }
   },
   {
     "model": "program.language",
     "pk": 38,
     "fields": {
-      "name": "Estnisch",
-      "is_active": true
+      "name": "Estnisch"
     }
   },
   {
     "model": "program.language",
     "pk": 39,
     "fields": {
-      "name": "Mazedonisch",
-      "is_active": true
+      "name": "Mazedonisch"
     }
   },
   {
     "model": "program.language",
     "pk": 40,
     "fields": {
-      "name": "Hebräisch",
-      "is_active": true
+      "name": "Hebräisch"
     }
   },
   {
     "model": "program.language",
     "pk": 41,
     "fields": {
-      "name": "Schwedisch",
-      "is_active": true
+      "name": "Schwedisch"
     }
   },
   {
     "model": "program.language",
     "pk": 42,
     "fields": {
-      "name": "Lithauisch",
-      "is_active": true
+      "name": "Lithauisch"
     }
   },
   {
     "model": "program.language",
     "pk": 43,
     "fields": {
-      "name": "Jiddisch",
-      "is_active": true
+      "name": "Jiddisch"
     }
   },
   {
     "model": "program.language",
     "pk": 44,
     "fields": {
-      "name": "Isländisch",
-      "is_active": true
+      "name": "Isländisch"
     }
   },
   {
     "model": "program.language",
     "pk": 45,
     "fields": {
-      "name": "Litauisch",
-      "is_active": true
+      "name": "Litauisch"
     }
   },
   {
     "model": "program.language",
     "pk": 46,
     "fields": {
-      "name": "Amharisch",
-      "is_active": true
+      "name": "Amharisch"
     }
   },
   {
     "model": "program.language",
     "pk": 47,
     "fields": {
-      "name": "Norwegisch",
-      "is_active": true
+      "name": "Norwegisch"
     }
   },
   {
     "model": "program.language",
     "pk": 48,
     "fields": {
-      "name": "Koreanisch",
-      "is_active": true
+      "name": "Koreanisch"
     }
   }
 ]
diff --git a/fixtures/sample/musicfocus.json b/fixtures/sample/musicfocus.json
index f85c89981088f1f40a429437c514331000b211f4..2cb4107315f03eaeca017994e3623f74bc7811d3 100644
--- a/fixtures/sample/musicfocus.json
+++ b/fixtures/sample/musicfocus.json
@@ -4,8 +4,7 @@
     "pk": 1,
     "fields": {
       "name": "Jazz",
-      "slug": "jazz",
-      "is_active": true
+      "slug": "jazz"
     }
   },
   {
@@ -13,8 +12,7 @@
     "pk": 2,
     "fields": {
       "name": "Volksmusik/Folk",
-      "slug": "volksmusik-folk",
-      "is_active": true
+      "slug": "volksmusik-folk"
     }
   },
   {
@@ -22,8 +20,7 @@
     "pk": 3,
     "fields": {
       "name": "Experimentelle Musik",
-      "slug": "expermentelle-musik",
-      "is_active": true
+      "slug": "expermentelle-musik"
     }
   },
   {
@@ -31,8 +28,7 @@
     "pk": 4,
     "fields": {
       "name": "Rock/Indie",
-      "slug": "rock-indie",
-      "is_active": true
+      "slug": "rock-indie"
     }
   },
   {
@@ -40,8 +36,7 @@
     "pk": 5,
     "fields": {
       "name": "Metal/Hardrock",
-      "slug": "metal-hardrock",
-      "is_active": true
+      "slug": "metal-hardrock"
     }
   },
   {
@@ -49,8 +44,7 @@
     "pk": 6,
     "fields": {
       "name": "Electronic",
-      "slug": "electronic",
-      "is_active": true
+      "slug": "electronic"
     }
   },
   {
@@ -58,8 +52,7 @@
     "pk": 7,
     "fields": {
       "name": "Klassik",
-      "slug": "klassik",
-      "is_active": true
+      "slug": "klassik"
     }
   },
   {
@@ -67,8 +60,7 @@
     "pk": 8,
     "fields": {
       "name": "Oldies",
-      "slug": "oldies",
-      "is_active": true
+      "slug": "oldies"
     }
   },
   {
@@ -76,8 +68,7 @@
     "pk": 9,
     "fields": {
       "name": "Reggae/Ska",
-      "slug": "reggae-ska",
-      "is_active": true
+      "slug": "reggae-ska"
     }
   },
   {
@@ -85,8 +76,7 @@
     "pk": 10,
     "fields": {
       "name": "Hiphop",
-      "slug": "hiphop",
-      "is_active": true
+      "slug": "hiphop"
     }
   }
 ]
diff --git a/fixtures/sample/topic.json b/fixtures/sample/topic.json
index 0aec75a3cba0a5d1815e04148f6d75e9c8bf0589..a83f767bfc4b96c468a58100832f9a7109a68748 100644
--- a/fixtures/sample/topic.json
+++ b/fixtures/sample/topic.json
@@ -4,8 +4,7 @@
     "pk": 1,
     "fields": {
       "name": "Politik/Gesellschaft",
-      "slug": "politik-gesellschaft",
-      "is_active": true
+      "slug": "politik-gesellschaft"
     }
   },
   {
@@ -13,8 +12,7 @@
     "pk": 2,
     "fields": {
       "name": "Natur/Klima/Tiere",
-      "slug": "natur-klima-tiere",
-      "is_active": true
+      "slug": "natur-klima-tiere"
     }
   },
   {
@@ -22,8 +20,7 @@
     "pk": 3,
     "fields": {
       "name": "Kultur/Kunst",
-      "slug": "kultur-kunst",
-      "is_active": true
+      "slug": "kultur-kunst"
     }
   },
   {
@@ -31,8 +28,7 @@
     "pk": 4,
     "fields": {
       "name": "Soziales",
-      "slug": "soziales",
-      "is_active": true
+      "slug": "soziales"
     }
   },
   {
@@ -40,8 +36,7 @@
     "pk": 5,
     "fields": {
       "name": "Wissenschaft/Philosophie",
-      "slug": "wissenschaft-philosophie",
-      "is_active": true
+      "slug": "wissenschaft-philosophie"
     }
   }
 ]
diff --git a/fixtures/sample/type.json b/fixtures/sample/type.json
index 2ca58399a8810e77d88cf09348ae11978fb53dc8..ac53fab4f9c01c9321373dc5cb43a74e857408ca 100644
--- a/fixtures/sample/type.json
+++ b/fixtures/sample/type.json
@@ -4,8 +4,7 @@
     "pk": 1,
     "fields": {
       "name": "Talk",
-      "slug": "talk",
-      "is_active": true
+      "slug": "talk"
     }
   },
   {
@@ -13,8 +12,7 @@
     "pk": 2,
     "fields": {
       "name": "Musiksendung",
-      "slug": "musiksendung",
-      "is_active": true
+      "slug": "musiksendung"
     }
   },
   {
@@ -22,8 +20,7 @@
     "pk": 3,
     "fields": {
       "name": "Unmoderiertes Musikprogramm",
-      "slug": "unmoderiertes-musikprogramm",
-      "is_active": true
+      "slug": "unmoderiertes-musikprogramm"
     }
   },
   {
@@ -31,8 +28,7 @@
     "pk": 4,
     "fields": {
       "name": "Feature/Magazin",
-      "slug": "feature-magazin",
-      "is_active": true
+      "slug": "feature-magazin"
     }
   },
   {
@@ -40,8 +36,7 @@
     "pk": 5,
     "fields": {
       "name": "Experimentell",
-      "slug": "experimentell",
-      "is_active": true
+      "slug": "experimentell"
     }
   },
   {
@@ -49,8 +44,7 @@
     "pk": 6,
     "fields": {
       "name": "Hörspiel/Literatur",
-      "slug": "horspiel-literatur",
-      "is_active": true
+      "slug": "horspiel-literatur"
     }
   },
   {
@@ -58,8 +52,7 @@
     "pk": 7,
     "fields": {
       "name": "Vortrag/Diskussion",
-      "slug": "vortrag-diskussion",
-      "is_active": true
+      "slug": "vortrag-diskussion"
     }
   }
 ]