🔥(backend) remove content in document responses

The content was always loaded in the document reponse. We remove this
behavior in order to not make an http call to the s3 storage. To get the
document content it is needed now to use the new endpoint dedicated to
retrive the document content.

CHANGELOG.md

@@ -31,6 +31,7 @@ and this project adheres to
 ### Removed
 
 - 🔥(backend) remove deprecated descendants endpoint #2243
+- 🔥(backend) remove content in document responses
 
 ## [v4.8.6] - 2026-04-08
 

src/backend/core/api/serializers.py

@@ -178,7 +178,6 @@ class DocumentLightSerializer(serializers.ModelSerializer):
 class DocumentSerializer(ListDocumentSerializer):
     """Serialize documents with all fields for display in detail views."""
 
-    content = serializers.CharField(required=False)
     websocket = serializers.BooleanField(required=False, write_only=True)
     file = serializers.FileField(
         required=False, write_only=True, allow_null=True, max_length=255
@@ -193,7 +192,6 @@ class DocumentSerializer(ListDocumentSerializer):
             "ancestors_link_role",
             "computed_link_reach",
             "computed_link_role",
-            "content",
             "created_at",
             "creator",
             "deleted_at",
@@ -242,13 +240,6 @@ class DocumentSerializer(ListDocumentSerializer):
         if request:
             if request.method == "POST":
                 fields["id"].read_only = False
-            if (
-                serializers.BooleanField().to_internal_value(
-                    request.query_params.get("without_content", False)
-                )
-                is True
-            ):
-                del fields["content"]
 
         return fields
 
@@ -265,18 +256,6 @@ class DocumentSerializer(ListDocumentSerializer):
 
         return value
 
-    def validate_content(self, value):
-        """Validate the content field."""
-        if not value:
-            return None
-
-        try:
-            b64decode(value, validate=True)
-        except binascii.Error as err:
-            raise serializers.ValidationError("Invalid base64 content.") from err
-
-        return value
-
     def validate_file(self, file):
         """Add file size and type constraints as defined in settings."""
         if not file:
@@ -310,53 +289,6 @@ class DocumentSerializer(ListDocumentSerializer):
             return instance  # No data provided, skip the update
         return super().update(instance, validated_data)
 
-    def save(self, **kwargs):
-        """
-        Process the content field to extract attachment keys and update the document's
-        "attachments" field for access control.
-        """
-        content = self.validated_data.get("content", "")
-        extracted_attachments = set(utils.extract_attachments(content))
-
-        existing_attachments = (
-            set(self.instance.attachments or []) if self.instance else set()
-        )
-        new_attachments = extracted_attachments - existing_attachments
-
-        if new_attachments:
-            attachments_documents = (
-                models.Document.objects.filter(
-                    attachments__overlap=list(new_attachments)
-                )
-                .only("path", "attachments")
-                .order_by("path")
-            )
-
-            user = self.context["request"].user
-            readable_per_se_paths = (
-                models.Document.objects.readable_per_se(user)
-                .order_by("path")
-                .values_list("path", flat=True)
-            )
-            readable_attachments_paths = utils.filter_descendants(
-                [doc.path for doc in attachments_documents],
-                readable_per_se_paths,
-                skip_sorting=True,
-            )
-
-            readable_attachments = set()
-            for document in attachments_documents:
-                if document.path not in readable_attachments_paths:
-                    continue
-                readable_attachments.update(set(document.attachments) & new_attachments)
-
-            # Update attachments with readable keys
-            self.validated_data["attachments"] = list(
-                existing_attachments | readable_attachments
-            )
-
-        return super().save(**kwargs)
-
 
 class DocumentContentSerializer(serializers.Serializer):
     """Serializer for updating only the raw content of a document stored in S3."""

src/backend/core/tests/documents/test_api_documents_favorite_list.py

@@ -70,7 +70,6 @@ def test_api_document_favorite_list_authenticated_with_favorite():
                 "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
                 "creator": str(document.creator.id),
                 "deleted_at": None,
-                "content": document.content,
                 "depth": document.depth,
                 "excerpt": document.excerpt,
                 "id": str(document.id),

src/backend/core/tests/documents/test_api_documents_retrieve.py

@@ -71,7 +71,6 @@ def test_api_documents_retrieve_anonymous_public_standalone():
         "ancestors_link_role": None,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "deleted_at": None,
@@ -150,7 +149,6 @@ def test_api_documents_retrieve_anonymous_public_parent():
         "ancestors_link_role": grand_parent.link_role,
         "computed_link_reach": "public",
         "computed_link_role": grand_parent.link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "deleted_at": None,
@@ -262,7 +260,6 @@ def test_api_documents_retrieve_authenticated_unrelated_public_or_authenticated(
         "ancestors_link_role": None,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "depth": 1,
@@ -348,7 +345,6 @@ def test_api_documents_retrieve_authenticated_public_or_authenticated_parent(rea
         "ancestors_link_role": grand_parent.link_role,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "depth": 3,
@@ -463,7 +459,6 @@ def test_api_documents_retrieve_authenticated_related_direct():
         "ancestors_link_role": None,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "creator": str(document.creator.id),
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "deleted_at": None,
@@ -549,7 +544,6 @@ def test_api_documents_retrieve_authenticated_related_parent():
         "ancestors_link_role": None,
         "computed_link_reach": "restricted",
         "computed_link_role": None,
-        "content": document.content,
         "creator": str(document.creator.id),
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "depth": 3,
@@ -706,7 +700,6 @@ def test_api_documents_retrieve_authenticated_related_team_members(
         "ancestors_link_role": None,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "deleted_at": None,
@@ -773,7 +766,6 @@ def test_api_documents_retrieve_authenticated_related_team_administrators(
         "ancestors_link_role": None,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "deleted_at": None,
@@ -840,7 +832,6 @@ def test_api_documents_retrieve_authenticated_related_team_owners(
         "ancestors_link_role": None,
         "computed_link_reach": document.computed_link_reach,
         "computed_link_role": document.computed_link_role,
-        "content": document.content,
         "created_at": document.created_at.isoformat().replace("+00:00", "Z"),
         "creator": str(document.creator.id),
         "deleted_at": None,
@@ -1072,48 +1063,3 @@ def test_api_documents_retrieve_permanently_deleted_related(role, depth):
 
     assert response.status_code == 404
     assert response.json() == {"detail": "Not found."}
-
-
-def test_api_documents_retrieve_without_content():
-    """
-    Test retrieve using without_content query string should remove the content in the response
-    """
-
-    user = factories.UserFactory()
-
-    document = factories.DocumentFactory(creator=user, users=[(user, "owner")])
-
-    client = APIClient()
-    client.force_login(user)
-
-    with mock.patch("core.models.Document.content") as mock_document_content:
-        response = client.get(
-            f"/api/v1.0/documents/{document.id!s}/?without_content=true"
-        )
-
-    assert response.status_code == 200
-
-    payload = response.json()
-    assert "content" not in payload
-    mock_document_content.assert_not_called()
-
-
-def test_api_documents_retrieve_without_content_invalid_value():
-    """
-    Test retrieve using without_content query string but an invalid value
-    should return a 400
-    """
-
-    user = factories.UserFactory()
-
-    document = factories.DocumentFactory(creator=user, users=[(user, "owner")])
-
-    client = APIClient()
-    client.force_login(user)
-
-    response = client.get(
-        f"/api/v1.0/documents/{document.id!s}/?without_content=invalid-value"
-    )
-    assert response.status_code == 400
-
-    assert response.json() == ["Must be a valid boolean."]

src/backend/core/tests/documents/test_api_documents_update.py

@@ -19,25 +19,6 @@ from core.tests.conftest import TEAM, USER, VIA
 
 pytestmark = pytest.mark.django_db
 
-# A valid Yjs document derived from YDOC_HELLO_WORLD_BASE64 with "Hello" replaced by "World",
-# used in PATCH tests to guarantee a real content change distinct from what DocumentFactory
-# produces.
-YDOC_UPDATED_CONTENT_BASE64 = (
-    "AR717vLVDgAHAQ5kb2N1bWVudC1zdG9yZQMKYmxvY2tHcm91cAcA9e7y1Q4AAw5ibG9ja0NvbnRh"
-    "aW5lcgcA9e7y1Q4BAwdoZWFkaW5nBwD17vLVDgIGBgD17vLVDgMGaXRhbGljAnt9hPXu8tUOBAVX"
-    "b3JsZIb17vLVDgkGaXRhbGljBG51bGwoAPXu8tUOAg10ZXh0QWxpZ25tZW50AXcEbGVmdCgA9e7y"
-    "1Q4CBWxldmVsAX0BKAD17vLVDgECaWQBdyQwNGQ2MjM0MS04MzI2LTQyMzYtYTA4My00ODdlMjZm"
-    "YWQyMzAoAPXu8tUOAQl0ZXh0Q29sb3IBdwdkZWZhdWx0KAD17vLVDgEPYmFja2dyb3VuZENvbG9y"
-    "AXcHZGVmYXVsdIf17vLVDgEDDmJsb2NrQ29udGFpbmVyBwD17vLVDhADDmJ1bGxldExpc3RJdGVt"
-    "BwD17vLVDhEGBAD17vLVDhIBd4b17vLVDhMEYm9sZAJ7fYT17vLVDhQCb3KG9e7y1Q4WBGJvbGQE"
-    "bnVsbIT17vLVDhcCbGQoAPXu8tUOEQ10ZXh0QWxpZ25tZW50AXcEbGVmdCgA9e7y1Q4QAmlkAXck"
-    "ZDM1MWUwNjgtM2U1NS00MjI2LThlYTUtYWJiMjYzMTk4ZTJhKAD17vLVDhAJdGV4dENvbG9yAXcH"
-    "ZGVmYXVsdCgA9e7y1Q4QD2JhY2tncm91bmRDb2xvcgF3B2RlZmF1bHSH9e7y1Q4QAw5ibG9ja0Nv"
-    "bnRhaW5lcgcA9e7y1Q4eAwlwYXJhZ3JhcGgoAPXu8tUOHw10ZXh0QWxpZ25tZW50AXcEbGVmdCgA"
-    "9e7y1Q4eAmlkAXckODk3MDBjMDctZTBlMS00ZmUwLWFjYTItODQ5MzIwOWE3ZTQyKAD17vLVDh4J"
-    "dGV4dENvbG9yAXcHZGVmYXVsdCgA9e7y1Q4eD2JhY2tncm91bmRDb2xvcgF3B2RlZmF1bHQA"
-)
-
 
 @pytest.mark.parametrize("via_parent", [True, False])
 @pytest.mark.parametrize(
@@ -736,25 +717,6 @@ def test_api_documents_update_administrator_or_owner_of_another(via, mock_user_t
     assert other_document_values == old_document_values
 
 
-def test_api_documents_update_invalid_content():
-    """
-    Updating a document with a non base64 encoded content should raise a validation error.
-    """
-    user = factories.UserFactory(with_owned_document=True)
-    client = APIClient()
-    client.force_login(user)
-
-    document = factories.DocumentFactory(users=[[user, "owner"]])
-
-    response = client.put(
-        f"/api/v1.0/documents/{document.id!s}/",
-        {"content": "invalid content"},
-        format="json",
-    )
-    assert response.status_code == 400
-    assert response.json() == {"content": ["Invalid base64 content."]}
-
-
 # =============================================================================
 # PATCH tests
 # =============================================================================
@@ -784,11 +746,10 @@ def test_api_documents_patch_anonymous_forbidden(reach, role, via_parent):
         document = factories.DocumentFactory(link_reach=reach, link_role=role)
 
     old_document_values = serializers.DocumentSerializer(instance=document).data
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     response = APIClient().patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 401
@@ -828,11 +789,10 @@ def test_api_documents_patch_authenticated_unrelated_forbidden(reach, role, via_
         document = factories.DocumentFactory(link_reach=reach, link_role=role)
 
     old_document_values = serializers.DocumentSerializer(instance=document).data
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
 
@@ -876,11 +836,10 @@ def test_api_documents_patch_anonymous_or_authenticated_unrelated(
 
     old_document_values = serializers.DocumentSerializer(instance=document).data
     old_path = document.path
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content, "websocket": True},
+        {"title": "new title", "websocket": True},
         format="json",
     )
     assert response.status_code == 200
@@ -889,11 +848,10 @@ def test_api_documents_patch_anonymous_or_authenticated_unrelated(
     # Force reloading it by fetching the document in the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     document_values = serializers.DocumentSerializer(instance=document).data
     for key in [
         "id",
-        "title",
         "link_reach",
         "link_role",
         "creator",
@@ -933,11 +891,10 @@ def test_api_documents_patch_authenticated_reader(via, via_parent, mock_user_tea
         )
 
     old_document_values = serializers.DocumentSerializer(instance=document).data
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
 
@@ -983,11 +940,10 @@ def test_api_documents_patch_authenticated_editor_administrator_or_owner(
 
     old_document_values = serializers.DocumentSerializer(instance=document).data
     old_path = document.path
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content, "websocket": True},
+        {"title": "new title", "websocket": True},
         format="json",
     )
     assert response.status_code == 200
@@ -996,11 +952,10 @@ def test_api_documents_patch_authenticated_editor_administrator_or_owner(
     # Force reloading it by fetching the document in the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     document_values = serializers.DocumentSerializer(instance=document).data
     for key in [
         "id",
-        "title",
         "link_reach",
         "link_role",
         "creator",
@@ -1025,7 +980,6 @@ def test_api_documents_patch_authenticated_no_websocket(settings):
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1041,7 +995,7 @@ def test_api_documents_patch_authenticated_no_websocket(settings):
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 200
@@ -1050,7 +1004,7 @@ def test_api_documents_patch_authenticated_no_websocket(settings):
     # Force reloading it by fetching the document from the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     assert cache.get(f"docs:no-websocket:{document.id}") == session_key
     assert ws_resp.call_count == 1
 
@@ -1067,7 +1021,6 @@ def test_api_documents_patch_authenticated_no_websocket_user_already_editing(set
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1082,7 +1035,7 @@ def test_api_documents_patch_authenticated_no_websocket_user_already_editing(set
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 403
@@ -1103,7 +1056,6 @@ def test_api_documents_patch_no_websocket_other_user_connected_to_websocket(sett
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1118,7 +1070,7 @@ def test_api_documents_patch_no_websocket_other_user_connected_to_websocket(sett
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 403
@@ -1139,7 +1091,6 @@ def test_api_documents_patch_user_connected_to_websocket(settings):
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1155,7 +1106,7 @@ def test_api_documents_patch_user_connected_to_websocket(settings):
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 200
@@ -1164,7 +1115,7 @@ def test_api_documents_patch_user_connected_to_websocket(settings):
     # Force reloading it by fetching the document in the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     assert cache.get(f"docs:no-websocket:{document.id}") is None
     assert ws_resp.call_count == 1
 
@@ -1183,7 +1134,6 @@ def test_api_documents_patch_websocket_server_unreachable_fallback_to_no_websock
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1199,7 +1149,7 @@ def test_api_documents_patch_websocket_server_unreachable_fallback_to_no_websock
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 200
@@ -1208,7 +1158,7 @@ def test_api_documents_patch_websocket_server_unreachable_fallback_to_no_websock
     # Force reloading it by fetching the document from the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     assert cache.get(f"docs:no-websocket:{document.id}") == session_key
     assert ws_resp.call_count == 1
 
@@ -1227,7 +1177,6 @@ def test_api_documents_patch_websocket_server_unreachable_fallback_to_no_websock
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1242,7 +1191,7 @@ def test_api_documents_patch_websocket_server_unreachable_fallback_to_no_websock
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 403
@@ -1265,7 +1214,6 @@ def test_api_documents_patch_websocket_server_room_not_found_fallback_to_no_webs
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1280,7 +1228,7 @@ def test_api_documents_patch_websocket_server_room_not_found_fallback_to_no_webs
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 403
@@ -1300,7 +1248,6 @@ def test_api_documents_patch_force_websocket_param_to_true(settings):
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1315,7 +1262,7 @@ def test_api_documents_patch_force_websocket_param_to_true(settings):
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content, "websocket": True},
+        {"title": "new title", "websocket": True},
         format="json",
     )
     assert response.status_code == 200
@@ -1324,7 +1271,7 @@ def test_api_documents_patch_force_websocket_param_to_true(settings):
     # Force reloading it by fetching the document from the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     assert cache.get(f"docs:no-websocket:{document.id}") is None
     assert ws_resp.call_count == 0
 
@@ -1340,7 +1287,6 @@ def test_api_documents_patch_feature_flag_disabled(settings):
     session_key = client.session.session_key
 
     document = factories.DocumentFactory(users=[(user, "editor")])
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     settings.COLLABORATION_API_URL = "http://example.com/"
     settings.COLLABORATION_SERVER_SECRET = "secret-token"
@@ -1356,7 +1302,7 @@ def test_api_documents_patch_feature_flag_disabled(settings):
 
     response = client.patch(
         f"/api/v1.0/documents/{document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
     assert response.status_code == 200
@@ -1365,7 +1311,7 @@ def test_api_documents_patch_feature_flag_disabled(settings):
     # Force reloading it by fetching the document from the database.
     document = models.Document.objects.get(id=document.id)
     assert document.path == old_path
-    assert document.content == new_content
+    assert document.title == "new title"
     assert cache.get(f"docs:no-websocket:{document.id}") is None
     assert ws_resp.call_count == 0
 
@@ -1396,11 +1342,10 @@ def test_api_documents_patch_administrator_or_owner_of_another(via, mock_user_te
 
     other_document = factories.DocumentFactory(title="Old title", link_role="reader")
     old_document_values = serializers.DocumentSerializer(instance=other_document).data
-    new_content = YDOC_UPDATED_CONTENT_BASE64
 
     response = client.patch(
         f"/api/v1.0/documents/{other_document.id!s}/",
-        {"content": new_content},
+        {"title": "new title"},
         format="json",
     )
 
@@ -1413,25 +1358,6 @@ def test_api_documents_patch_administrator_or_owner_of_another(via, mock_user_te
     )
 
 
-def test_api_documents_patch_invalid_content():
-    """
-    Patching a document with a non base64 encoded content should raise a validation error.
-    """
-    user = factories.UserFactory(with_owned_document=True)
-    client = APIClient()
-    client.force_login(user)
-
-    document = factories.DocumentFactory(users=[[user, "owner"]])
-
-    response = client.patch(
-        f"/api/v1.0/documents/{document.id!s}/",
-        {"content": "invalid content"},
-        format="json",
-    )
-    assert response.status_code == 400
-    assert response.json() == {"content": ["Invalid base64 content."]}
-
-
 @responses.activate
 def test_api_documents_patch_empty_body(settings):
     """