diff --git a/inventory/models/areas.py b/inventory/models/areas.py
index dbf86b0..45ad4f5 100644
--- a/inventory/models/areas.py
+++ b/inventory/models/areas.py
@@ -6,12 +6,9 @@ from sqlalchemy import Identity, Integer, Unicode
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from . import db
-from ..temp import is_temp_id
-from ..utils.validation import ValidatableMixin
 
-class Area(ValidatableMixin, db.Model):
+class Area(db.Model):
     __tablename__ = 'area'
-    VALIDATION_LABEL = "Area"
 
     id: Mapped[int] = mapped_column(Integer, Identity(start=1, increment=1), primary_key=True)
     name: Mapped[Optional[str]] = mapped_column(Unicode(255), nullable=True)
@@ -23,95 +20,3 @@ class Area(ValidatableMixin, db.Model):
 
     def __repr__(self):
         return f"<Area(id={self.id}, name={repr(self.name)})>"
-
-    def serialize(self):
-        return {
-            'id': self.id,
-            'name': self.name
-        }
-
-    @classmethod
-    def sync_from_state(cls, submitted_items: list[dict]) -> dict[str, int]:
-        """
-        Syncs the Area table (aka 'sections') with the submitted list.
-        Supports add, update, and delete.
-        Also returns a mapping of temp IDs to real IDs for resolution.
-        """
-        submitted_clean = []
-        seen_ids = set()
-        temp_id_map = {}
-
-        for item in submitted_items:
-            if not isinstance(item, dict):
-                continue
-            name = str(item.get("name", "")).strip()
-            raw_id = item.get("id")
-            if not name:
-                continue
-            submitted_clean.append({"id": raw_id, "name": name})
-
-            # Record real (non-temp) IDs
-            try:
-                if raw_id is not None:
-                    parsed_id = int(raw_id)
-                    if parsed_id >= 0:
-                        seen_ids.add(parsed_id)
-            except (ValueError, TypeError):
-                pass
-
-        existing_query = db.session.query(cls)
-        existing_by_id = {area.id: area for area in existing_query.all()}
-        existing_ids = set(existing_by_id.keys())
-
-        for entry in submitted_clean:
-            submitted_id_raw = entry.get("id")
-            submitted_name = entry["name"]
-
-            if is_temp_id(submitted_id_raw):
-                new_area = cls(name=submitted_name)
-                db.session.add(new_area)
-                db.session.flush()  # Get the real ID
-                temp_id_map[submitted_id_raw] = new_area.id
-            else:
-                try:
-                    submitted_id = int(submitted_id_raw)
-                except (ValueError, TypeError):
-                    continue  # Skip malformed ID
-
-                if submitted_id in existing_by_id:
-                    area = existing_by_id[submitted_id]
-                    if area.name != submitted_name:
-                        area.name = submitted_name
-
-        for existing_id in existing_ids - seen_ids:
-            area = existing_by_id[existing_id]
-            db.session.delete(area)
-
-        id_map = {
-            **{str(i): i for i in seen_ids},                           # "1" → 1
-            **{str(temp): real for temp, real in temp_id_map.items()}  # "temp-1" → 5
-        }
-        return id_map
-
-    @classmethod
-    def validate_state(cls, submitted_items: list[dict]) -> list[str]:
-        errors = []
-
-        for index, item in enumerate(submitted_items):
-            if not isinstance(item, dict):
-                errors.append(f"Area entry #{index + 1} is not a valid object.")
-                continue
-
-            name = item.get('name')
-            if not name or not str(name).strip():
-                errors.append(f"Area entry #{index + 1} is missing a name.")
-
-            raw_id = item.get('id')
-            if raw_id is not None:
-                try:
-                    _ = int(raw_id)
-                except (ValueError, TypeError):
-                    if not is_temp_id(raw_id):
-                        errors.append(f"Area entry #{index + 1} has invalid ID: {raw_id}")
-
-        return errors
diff --git a/inventory/models/brands.py b/inventory/models/brands.py
index 00fd14a..d2adf17 100644
--- a/inventory/models/brands.py
+++ b/inventory/models/brands.py
@@ -1,4 +1,4 @@
-from typing import List, Optional, TYPE_CHECKING
+from typing import List, TYPE_CHECKING
 if TYPE_CHECKING:
     from .inventory import Inventory
 
@@ -6,12 +6,9 @@ from sqlalchemy import Identity, Integer, Unicode
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from . import db
-from ..temp import is_temp_id
-from ..utils.validation import ValidatableMixin
 
-class Brand(ValidatableMixin, db.Model):
+class Brand(db.Model):
     __tablename__ = 'brand'
-    VALIDATION_LABEL = 'Brand'
 
     id: Mapped[int] = mapped_column(Integer, Identity(start=1, increment=1), primary_key=True)
     name: Mapped[str] = mapped_column(Unicode(255), nullable=False)
@@ -24,90 +21,6 @@ class Brand(ValidatableMixin, db.Model):
     def __repr__(self):
         return f"<Brand(id={self.id}, name={repr(self.name)})>"
 
-    def serialize(self):
-        return {
-            'id': self.id,
-            'name': self.name
-        }
-
-    @classmethod
-    def sync_from_state(cls, submitted_items: list[dict]) -> dict[str, int]:
-        submitted_clean = []
-        seen_ids = set()
-        temp_id_map = {}
-
-        for item in submitted_items:
-            if not isinstance(item, dict):
-                continue
-            name = str(item.get("name", "")).strip()
-            raw_id = item.get("id")
-            if not name:
-                continue
-            submitted_clean.append({"id": raw_id, "name": name})
-
-            try:
-                if raw_id:
-                    parsed_id = int(raw_id)
-                    if parsed_id >= 0:
-                        seen_ids.add(parsed_id)
-            except (ValueError, TypeError):
-                pass
-
-        existing_by_id = {b.id: b for b in db.session.query(cls).all()}
-        existing_ids = set(existing_by_id.keys())
-
-        for entry in submitted_clean:
-            submitted_id = entry.get("id")
-            name = entry["name"]
-
-            if is_temp_id(submitted_id):
-                obj = cls(name=name)
-                db.session.add(obj)
-                db.session.flush()
-                temp_id_map[submitted_id] = obj.id
-            else:
-                try:
-                    parsed_id = int(submitted_id)
-                except (ValueError, TypeError):
-                    continue
-
-                if parsed_id in existing_by_id:
-                    obj = existing_by_id[parsed_id]
-                    if obj.name != name:
-                        obj.name = name
-
-        for id_to_remove in existing_ids - seen_ids:
-            db.session.delete(existing_by_id[id_to_remove])
-
-        id_map = {
-            **{str(i): i for i in seen_ids},                          # "1" → 1
-            **{str(temp): real for temp, real in temp_id_map.items()}  # "temp-1" → 5
-        }
-        return id_map
-
-    @classmethod
-    def validate_state(cls, submitted_items: list[dict]) -> list[str]:
-        errors = []
-
-        for index, item in enumerate(submitted_items):
-            if not isinstance(item, dict):
-                errors.append(f"Area entry #{index + 1} is not a valid object.")
-                continue
-
-            name = item.get('name')
-            if not name or not str(name).strip():
-                errors.append(f"Area entry #{index + 1} is missing a name.")
-
-            raw_id = item.get('id')
-            if raw_id is not None:
-                try:
-                    _ = int(raw_id)
-                except (ValueError, TypeError):
-                    if not is_temp_id(raw_id):
-                        errors.append(f"Area entry #{index + 1} has invalid ID: {raw_id}")
-
-        return errors
-
     @property
     def identifier(self) -> str:
         return self.name if self.name else f"ID: {self.id}"
diff --git a/inventory/models/items.py b/inventory/models/items.py
index 1641d91..75c06ef 100644
--- a/inventory/models/items.py
+++ b/inventory/models/items.py
@@ -6,12 +6,9 @@ from sqlalchemy import Identity, Integer, Unicode
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from . import db
-from ..temp import is_temp_id
-from ..utils.validation import ValidatableMixin
 
-class Item(ValidatableMixin, db.Model):
+class Item(db.Model):
     __tablename__ = 'item'
-    VALIDATION_LABEL = 'Item'
 
     id: Mapped[int] = mapped_column(Integer, Identity(start=1, increment=1), primary_key=True)
     description: Mapped[Optional[str]] = mapped_column(Unicode(255), nullable=True)
@@ -24,88 +21,6 @@ class Item(ValidatableMixin, db.Model):
     def __repr__(self):
         return f"<Item(id={self.id}, description={repr(self.description)})>"
 
-    def serialize(self):
-        return {
-            'id': self.id,
-            'name': self.description
-        }
-
     @property
     def identifier(self):
         return self.description if self.description else f"Item {self.id}"
-
-    @classmethod
-    def sync_from_state(cls, submitted_items: list[dict]) -> dict[str, int]:
-        submitted_clean = []
-        seen_ids = set()
-        temp_id_map = {}
-
-        for item in submitted_items:
-            if not isinstance(item, dict):
-                continue
-            name = str(item.get("name", "")).strip()
-            raw_id = item.get("id")
-
-            if not name:
-                continue
-
-            try:
-                if raw_id:
-                    parsed_id = int(raw_id)
-                    if parsed_id >= 0:
-                        seen_ids.add(parsed_id)
-            except (ValueError, TypeError):
-                pass
-
-            submitted_clean.append({"id": raw_id, "description": name})
-
-        existing_by_id = {t.id: t for t in db.session.query(cls).all()}
-        existing_ids = set(existing_by_id.keys())
-
-        for entry in submitted_clean:
-            submitted_id = entry["id"]
-            description = entry["description"]
-
-            if is_temp_id(submitted_id):
-                obj = cls(description=description)
-                db.session.add(obj)
-                db.session.flush()
-                temp_id_map[submitted_id] = obj.id
-            elif isinstance(submitted_id, int) or submitted_id.isdigit():
-                submitted_id_int = int(submitted_id)
-                obj = existing_by_id.get(submitted_id_int)
-                if obj and obj.description != description:
-                    obj.description = description
-
-        for id_to_remove in existing_ids - seen_ids:
-            obj = existing_by_id[id_to_remove]
-            db.session.delete(obj)
-
-        id_map = {
-            **{str(i): i for i in seen_ids},
-            **{str(temp): real for temp, real in temp_id_map.items()}
-        }
-        return id_map
-
-    @classmethod
-    def validate_state(cls, submitted_items: list[dict]) -> list[str]:
-        errors = []
-
-        for index, item in enumerate(submitted_items):
-            if not isinstance(item, dict):
-                errors.append(f"Area entry #{index + 1} is not a valid object.")
-                continue
-
-            name = item.get('name')
-            if not name or not str(name).strip():
-                errors.append(f"Area entry #{index + 1} is missing a name.")
-
-            raw_id = item.get('id')
-            if raw_id is not None:
-                try:
-                    _ = int(raw_id)
-                except (ValueError, TypeError):
-                    if not is_temp_id(raw_id):
-                        errors.append(f"Area entry #{index + 1} has invalid ID: {raw_id}")
-
-        return errors
\ No newline at end of file
diff --git a/inventory/models/room_functions.py b/inventory/models/room_functions.py
index 436d3e7..72c1a1f 100644
--- a/inventory/models/room_functions.py
+++ b/inventory/models/room_functions.py
@@ -6,12 +6,9 @@ from sqlalchemy import Identity, Integer, Unicode
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from . import db
-from ..temp import is_temp_id
-from ..utils.validation import ValidatableMixin
 
-class RoomFunction(ValidatableMixin, db.Model):
+class RoomFunction(db.Model):
     __tablename__ = 'room_function'
-    VALIDATION_LABEL = "Function"
 
     id: Mapped[int] = mapped_column(Integer, Identity(start=1, increment=1), primary_key=True)
     description: Mapped[Optional[str]] = mapped_column(Unicode(255), nullable=True)
@@ -23,62 +20,3 @@ class RoomFunction(ValidatableMixin, db.Model):
 
     def __repr__(self):
         return f"<RoomFunction(id={self.id}, description={repr(self.description)})>"
-    
-    def serialize(self):
-        return {
-            'id': self.id,
-            'name': self.description
-        }
-    
-    @classmethod
-    def sync_from_state(cls, submitted_items: list[dict]) -> dict[str, int]:
-        submitted_clean = []
-        seen_ids = set()
-        temp_id_map = {}
-
-        for item in submitted_items:
-            if not isinstance(item, dict):
-                continue
-            name = str(item.get("name", "")).strip()
-            raw_id = item.get("id")
-
-            if not name:
-                continue
-
-            try:
-                if raw_id:
-                    parsed_id = int(raw_id)
-                    if parsed_id >= 0:
-                        seen_ids.add(parsed_id)
-            except (ValueError, TypeError):
-                pass
-
-            submitted_clean.append({"id": raw_id, "description": name})
-
-        existing_by_id = {f.id: f for f in db.session.query(cls).all()}
-        existing_ids = set(existing_by_id.keys())
-
-        for entry in submitted_clean:
-            submitted_id = entry.get("id")
-            description = entry["description"]
-
-            if is_temp_id(submitted_id):
-                obj = cls(description=description)
-                db.session.add(obj)
-                db.session.flush()
-                temp_id_map[submitted_id] = obj.id
-            elif isinstance(submitted_id, int) or submitted_id.isdigit():
-                submitted_id_int = int(submitted_id)
-                obj = existing_by_id.get(submitted_id_int)
-                if obj and obj.description != description:
-                    obj.description = description
-
-        for id_to_remove in existing_ids - seen_ids:
-            obj = existing_by_id[id_to_remove]
-            db.session.delete(obj)
-
-        id_map = {
-            **{str(i): i for i in seen_ids},
-            **{str(temp): real for temp, real in temp_id_map.items()}
-        }
-        return id_map
diff --git a/inventory/models/rooms.py b/inventory/models/rooms.py
index 4081e87..cd9b7b2 100644
--- a/inventory/models/rooms.py
+++ b/inventory/models/rooms.py
@@ -10,11 +10,8 @@ from sqlalchemy.orm import Mapped, mapped_column, relationship, joinedload, sele
 
 from . import db
 
-from ..utils.validation import ValidatableMixin
-
-class Room(ValidatableMixin, db.Model):
+class Room(db.Model):
     __tablename__ = 'rooms'
-    VALIDATION_LABEL = "Room"
 
     id: Mapped[int] = mapped_column(Integer, Identity(start=1, increment=1), primary_key=True)
     name: Mapped[Optional[str]] = mapped_column(Unicode(255), nullable=True)
@@ -56,148 +53,6 @@ class Room(ValidatableMixin, db.Model):
         func = self.room_function.description if self.room_function else ""
         return f"{name} - {func}".strip(" -")
 
-    def serialize(self):
-        return {
-            'id': self.id,
-            'name': self.name,
-            'area_id': self.area_id,
-            'function_id': self.function_id
-        }
-
-    @classmethod
-    def sync_from_state(cls, submitted_rooms: list[dict], section_map: dict[str, int], function_map: dict[str, int]) -> None:
-        """
-        Syncs the Rooms table with the submitted room list.
-        Resolves foreign keys using section_map and function_map.
-        Supports add, update, and delete.
-        """
-        def resolve_fk(key, fk_map, label):
-            if key is None:
-                return None
-            key = str(key)
-            if key.startswith("temp") or not key.isdigit():
-                if key in fk_map:
-                    return fk_map[key]
-                raise ValueError(f"Unable to resolve {label} ID: {key}")
-            return int(key)  # It's already a real ID
-
-        submitted_clean = []
-        seen_ids = set()
-
-        for room in submitted_rooms:
-            if not isinstance(room, dict):
-                continue
-            name = str(room.get("name", "")).strip()
-            if not name:
-                continue
-
-            rid = room.get("id")
-            area_id = room.get("area_id")
-            function_id = room.get("function_id")
-
-            submitted_clean.append({
-                "id": rid,
-                "name": name,
-                "area_id": area_id,
-                "function_id": function_id
-            })
-
-            if rid and not str(rid).startswith("room-"):
-                try:
-                    seen_ids.add(int(rid))
-                except ValueError:
-                    pass  # Not valid? Not seen.
-
-        existing_query = db.session.query(cls)
-        existing_by_id = {room.id: room for room in existing_query.all()}
-        existing_ids = set(existing_by_id.keys())
-
-        for entry in submitted_clean:
-            rid = entry.get("id")
-            name = entry["name"]
-
-            resolved_area_id = resolve_fk(entry.get("area_id"), section_map, "section")
-            resolved_function_id = resolve_fk(entry.get("function_id"), function_map, "function")
-
-            if not rid or str(rid).startswith("room-"):
-                new_room = cls(name=name, area_id=resolved_area_id, function_id=resolved_function_id)
-                db.session.add(new_room)
-            else:
-                try:
-                    rid_int = int(rid)
-                except ValueError:
-                    print(f"⚠️ Invalid room ID format: {rid}")
-                    continue
-
-                room = existing_by_id.get(rid_int)
-                if not room:
-                    print(f"⚠️ No matching room in DB for ID: {rid_int}")
-                    continue
-
-                if room.name != name:
-                    room.name = name
-                if room.area_id != resolved_area_id:
-                    room.area_id = resolved_area_id
-                if room.function_id != resolved_function_id:
-                    room.function_id = resolved_function_id
-
-        for existing_id in existing_ids - seen_ids:
-            room = existing_by_id.get(existing_id)
-            if not room:
-                continue
-
-            # Skip if a newly added room matches this one — likely duplicate
-            if any(
-                r["name"] == room.name and
-                resolve_fk(r["area_id"], section_map, "section") == room.area_id and
-                resolve_fk(r["function_id"], function_map, "function") == room.function_id
-                for r in submitted_clean
-                if r.get("id") is None or str(r.get("id")).startswith("room-")
-            ):
-                print(f"⚠️ Skipping deletion of likely duplicate: {room}")
-                continue
-
-            db.session.delete(room)
-
-    @classmethod
-    def validate_state(cls, submitted_items: list[dict]) -> list[str]:
-        errors = []
-
-        for index, item in enumerate(submitted_items):
-            label = f"Room #{index + 1}"
-
-            if not isinstance(item, dict):
-                errors.append(f"{label} is not a valid object.")
-                continue
-
-            name = item.get("name")
-            if not name or not str(name).strip():
-                errors.append(f"{label} is missing a name.")
-
-            raw_id = item.get("id")
-            if raw_id is not None:
-                try:
-                    _ = int(raw_id)
-                except (ValueError, TypeError):
-                    if not str(raw_id).startswith("room-"):
-                        errors.append(f"{label} has an invalid ID: {raw_id}")
-
-            # These fields are FK IDs, so we're just checking for valid formats here.
-            for fk_field, fk_label in [("area_id", "Section"), ("function_id", "Function")]:
-                fk_val = item.get(fk_field)
-
-                if fk_val is None:
-                    continue  # Let the DB enforce nullability
-
-                try:
-                    _ = int(fk_val)
-                except (ValueError, TypeError):
-                    fk_val_str = str(fk_val)
-                    if not fk_val_str.startswith("temp-"):
-                        errors.append(f"{label} has invalid {fk_label} ID: {fk_val}")
-
-        return errors
-
 Room.ui_eagerload = (
     joinedload(Room.area),
     joinedload(Room.room_function),
diff --git a/inventory/routes/helpers.py b/inventory/routes/helpers.py
index d2bdb18..afb4ccb 100644
--- a/inventory/routes/helpers.py
+++ b/inventory/routes/helpers.py
@@ -112,7 +112,6 @@ def get_image_attachable_class_by_name(name: str):
             return cls
     return None
 
-
 def make_csv(export_func, columns, rows):
     output = io.StringIO()
     writer = csv.writer(output)
diff --git a/inventory/routes/hooks.py b/inventory/routes/hooks.py
index d4e4f5c..41fbf9f 100644
--- a/inventory/routes/hooks.py
+++ b/inventory/routes/hooks.py
@@ -1,6 +1,5 @@
 from bs4 import BeautifulSoup
 from flask import current_app as app
-import re
 
 from . import main
 
diff --git a/inventory/routes/inventory.py b/inventory/routes/inventory.py
index 56d4351..79b3f79 100644
--- a/inventory/routes/inventory.py
+++ b/inventory/routes/inventory.py
@@ -1,10 +1,5 @@
-import io
-import csv
-import base64
-
 import datetime
-from flask import request, render_template, url_for, jsonify
-from sqlalchemy.inspection import inspect
+from flask import request, render_template, jsonify
 
 from . import main
 from .helpers import FILTER_MAP, inventory_headers, worklog_headers, make_csv
diff --git a/inventory/routes/settings.py b/inventory/routes/settings.py
index 00cc98c..d257da4 100644
--- a/inventory/routes/settings.py
+++ b/inventory/routes/settings.py
@@ -1,109 +1,15 @@
-import json
-import traceback
-
-from flask import request, flash, redirect, url_for, render_template, jsonify
+from flask import render_template
 
 from . import main
 from .. import db
-from ..models import Brand, Item, Area, RoomFunction, Room, Image
-from ..utils.load import eager_load_room_relationships, chunk_list
+from ..models import Image
+from ..utils.load import chunk_list
 
-@main.route('/settings', methods=['GET', 'POST'])
+@main.route('/settings')
 def settings():
-    if request.method == 'POST':
-        form = request.form
-
-        try:
-            state = json.loads(form['formState'])
-        except Exception:
-            flash("Invalid form state submitted. JSON decode failed.", "danger")
-            traceback.print_exc()
-            return redirect(url_for('main.settings'))
-
-        try:
-            with db.session.begin():
-                # Sync each table and grab temp ID maps
-                brand_map = Brand.sync_from_state(state.get("brands", []))
-                type_map = Item.sync_from_state(state.get("types", []))
-                section_map = Area.sync_from_state(state.get("sections", []))
-                function_map = RoomFunction.sync_from_state(state.get("functions", []))
-
-                # Fix up room foreign keys based on real IDs
-                submitted_rooms = []
-                for room in state.get("rooms", []):
-                    room = dict(room)  # shallow copy
-                    sid = room.get("area_id")
-                    fid = room.get("function_id")
-
-                    if sid is not None:
-                        sid_key = str(sid)
-                        if sid_key in section_map:
-                            room["area_id"] = section_map[sid_key]
-
-                    if fid is not None:
-                        fid_key = str(fid)
-                        if fid_key in function_map:
-                            room["function_id"] = function_map[fid_key]
-
-                    submitted_rooms.append(room)
-
-                Room.sync_from_state(
-                    submitted_rooms=submitted_rooms,
-                    section_map=section_map,
-                    function_map=function_map
-                )
-
-            flash("Changes saved.", "success")
-
-        except Exception as e:
-            flash(f"Error saving changes: {e}", "danger")
-
-        return redirect(url_for('main.settings'))
-
-    # === GET ===
-    brands = db.session.query(Brand).order_by(Brand.name).all()
-    types = db.session.query(Item).order_by(Item.description).all()
-    sections = db.session.query(Area).order_by(Area.name).all()
-    functions = db.session.query(RoomFunction).order_by(RoomFunction.description).all()
-    rooms = eager_load_room_relationships(db.session.query(Room).order_by(Room.name)).all()
     images = chunk_list(db.session.query(Image).order_by(Image.timestamp).all(), 6)
 
     return render_template('settings.html',
         title="Settings",
-        brands=[b.serialize() for b in brands],
-        types=[{"id": t.id, "name": t.description} for t in types],
-        sections=[s.serialize() for s in sections],
-        functions=[f.serialize() for f in functions],
-        rooms=[r.serialize() for r in rooms],
         image_list=images
     )
-
-@main.route("/api/settings", methods=["POST"])
-def api_settings():
-    try:
-        payload = request.get_json(force=True)
-    except Exception as e:
-        return jsonify({"error": "Invalid JSON"}), 400
-
-    errors = []
-    errors += Brand.validate_state(payload.get("brands", []))
-    errors += Item.validate_state(payload.get("types", []))
-    errors += Area.validate_state(payload.get("sections", []))
-    errors += RoomFunction.validate_state(payload.get("functions", []))
-    errors += Room.validate_state(payload.get("rooms", []))
-
-    if errors:
-        return jsonify({"errors": errors}), 400
-
-    try:
-        with db.session.begin():
-            section_map = Area.sync_from_state(payload["sections"])
-            function_map = RoomFunction.sync_from_state(payload["functions"])
-            Brand.sync_from_state(payload["brands"])
-            Item.sync_from_state(payload["types"])
-            Room.sync_from_state(payload["rooms"], section_map, function_map)
-    except Exception as e:
-        db.session.rollback()
-        return jsonify({"errors": [str(e)]}), 500
-
-    return jsonify({"message": "Settings updated successfully."}), 200
diff --git a/inventory/temp.py b/inventory/temp.py
deleted file mode 100644
index 64394ab..0000000
--- a/inventory/temp.py
+++ /dev/null
@@ -1,6 +0,0 @@
-def is_temp_id(val):
-    return (
-        val is None or
-        (isinstance(val, int) and val < 0) or
-        (isinstance(val, str) and val.startswith("temp-"))
-    )
diff --git a/inventory/utils/validation.py b/inventory/utils/validation.py
deleted file mode 100644
index c68e3f9..0000000
--- a/inventory/utils/validation.py
+++ /dev/null
@@ -1,28 +0,0 @@
-from ..temp import is_temp_id
-
-class ValidatableMixin:
-    VALIDATION_LABEL = "entry"
-
-    @classmethod
-    def validate_state(cls, submitted_items: list[dict]) -> list[str]:
-        errors = []
-        label = cls.VALIDATION_LABEL or cls.__name__
-
-        for index, item in enumerate(submitted_items):
-            if not isinstance(item, dict):
-                errors.append(f"{label.capitalize()} #{index + 1} is not a valid object.")
-                continue
-
-            name = item.get("name")
-            if not name or not str(name).strip():
-                errors.append(f"{label.capitalize()} #{index + 1} is missing a name.")
-
-            raw_id = item.get('id')
-            if raw_id is not None:
-                try:
-                    _ = int(raw_id)
-                except (ValueError, TypeError):
-                    if not is_temp_id(raw_id):
-                        errors.append(f"{label.capitalize()} #{index + 1} has invalid ID: {raw_id}")
-
-        return errors
\ No newline at end of file