diff --git a/README.md b/README.md
index f78b943..06d9d7d 100644
--- a/README.md
+++ b/README.md
@@ -960,76 +960,6 @@ corresponding to when the API was available for use.
     }
     ```
 
-*   **updateCompleteDeck**
-
-    Pastes all transmitted data into the database and reloads the collection.
-    You can send a deckName and corresponding cards, notes and models.
-    All cards are assumed to belong to the given deck.
-    All notes referenced by given cards should be present.
-    All models referenced by given notes should be present.
-
-    *Sample request*:
-    ```json
-    {
-        "action": "updateCompleteDeck",
-        "version": 6,
-        "params": {
-            "data":  {
-                "deck": "test3",
-                "cards": {
-                     "1485369472028": {
-                         "id": 1485369472028,
-                         "nid": 1485369340204,
-                         "ord": 0,
-                         "type": 0,
-                         "queue": 0,
-                         "due": 1186031,
-                         "factor": 0,
-                         "ivl": 0,
-                         "reps": 0,
-                         "lapses": 0,
-                         "left": 0
-                     }
-                },
-                "notes": {
-                    "1485369340204": {
-                        "id": 1485369340204,
-                        "mid": 1375786181313,
-                        "fields": [
-                            "frontValue",
-                            "backValue"
-                        ],
-                        "tags": [
-                            "aTag"
-                        ]
-                    }
-                },
-                "models": {
-                    "1375786181313": {
-                        "id": 1375786181313,
-                        "name": "anotherModel",
-                        "fields": [
-                            "Front",
-                            "Back"
-                        ],
-                        "templateNames": [
-                            "Card 1"
-                        ]
-                    }
-                }
-            }
-        }
-    }
-    ```
-
-    *Sample result*:
-    ```json
-    {
-        "result": null,
-        "error": null
-    }
-    ```
-
 #### Graphical Actions
 
 *   **guiBrowse**
diff --git a/plugin/__init__.py b/plugin/__init__.py
index db6f91b..fe3a05e 100644
--- a/plugin/__init__.py
+++ b/plugin/__init__.py
@@ -40,7 +40,6 @@ from anki.consts import MODEL_CLOZE
 from anki.exporting import AnkiPackageExporter
 from anki.importing import AnkiPackageImporter
 from anki.notes import Note
-from anki.utils import joinFields, intTime, guid64, fieldChecksum
 
 try:
     from anki.rsbackend import NotFoundError
@@ -1286,45 +1285,6 @@ class AnkiConnect:
         ) or 0
 
 
-    @util.api()
-    def updateCompleteDeck(self, data):
-        self.startEditing()
-        did = self.decks().id(data['deck'])
-        self.decks().flush()
-        model_manager = self.collection().models
-        for _, card in data['cards'].items():
-            self.database().execute(
-                'replace into cards (id, nid, did, ord, type, queue, due, ivl, factor, reps, lapses, left, '
-                'mod, usn, odue, odid, flags, data) '
-                'values (' + '?,' * (12 + 6 - 1) + '?)',
-                card['id'], card['nid'], did, card['ord'], card['type'], card['queue'], card['due'],
-                card['ivl'], card['factor'], card['reps'], card['lapses'], card['left'],
-                intTime(), -1, 0, 0, 0, 0
-            )
-            note = data['notes'][str(card['nid'])]
-            tags = self.collection().tags.join(self.collection().tags.canonify(note['tags']))
-            self.database().execute(
-                'replace into notes(id, mid, tags, flds,'
-                'guid, mod, usn, flags, data, sfld, csum) values (' + '?,' * (4 + 7 - 1) + '?)',
-                note['id'], note['mid'], tags, joinFields(note['fields']),
-                guid64(), intTime(), -1, 0, 0, '', fieldChecksum(note['fields'][0])
-            )
-            model = data['models'][str(note['mid'])]
-            if not model_manager.get(model['id']):
-                model_o = model_manager.new(model['name'])
-                for field_name in model['fields']:
-                    field = model_manager.newField(field_name)
-                    model_manager.addField(model_o, field)
-                for template_name in model['templateNames']:
-                    template = model_manager.newTemplate(template_name)
-                    model_manager.addTemplate(model_o, template)
-                model_o['id'] = model['id']
-                model_manager.update(model_o)
-                model_manager.flush()
-
-        self.stopEditing()
-
-
     @util.api()
     def insertReviews(self, reviews):
         if len(reviews) > 0: