diff --git a/context/book.tsx b/context/book.tsx
index 7e3305f..67cf92a 100644
--- a/context/book.tsx
+++ b/context/book.tsx
@@ -3,13 +3,11 @@ import { useRouter } from 'next/router'
 import { clearBookingData, loadBookingData } from '../helpers/storage'
 
 import { createBooking } from '../helpers/booking'
-import { Booker } from '../db/booker'
 import { Booking } from '../db/booking'
 
-export type BookFormData = Omit<Booking, 'uuid'> &
-  Booker & {
-    storeData?: boolean
-  }
+export type BookFormData = Omit<Booking, 'uuid'> & {
+  storeData?: boolean
+}
 
 type BookingProviderState = {
   postData?: boolean
diff --git a/db/booker.ts b/db/booker.ts
deleted file mode 100644
index d03006c..0000000
--- a/db/booker.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-import * as mongoose from 'mongoose'
-
-export type Booker = {
-  name: string
-  email: string
-  phone: string
-  street: string
-  zip: string
-  city: string
-}
-
-export type BookerDocument = Booker &
-  mongoose.SchemaTimestampsConfig &
-  mongoose.Document
-
-export type BookerModel = mongoose.Model<BookerDocument>
-
-const BookerSchema = new mongoose.Schema<BookerDocument>(
-  {
-    name: { type: String, required: true },
-    email: { type: String, required: true, unique: true, minlength: 5 },
-    phone: { type: String, required: false },
-    street: { type: String, required: true },
-    zip: { type: String, required: true },
-    city: { type: String, required: true },
-  },
-  { timestamps: true, collation: { locale: 'de', strength: 1 } }
-)
-
-export default <BookerModel>mongoose.models.Booker ||
-  mongoose.model<BookerDocument, BookerModel>('Booker', BookerSchema)
diff --git a/db/booking.ts b/db/booking.ts
index 18f3dc5..31fb893 100644
--- a/db/booking.ts
+++ b/db/booking.ts
@@ -3,13 +3,17 @@ import { v4 as uuidv4 } from 'uuid'
 import { dateFormatBackend, getDays, nowInTz } from '../helpers/date'
 
 import { Bill } from './bill'
-import { Booker } from './booker'
 import { BOOKING_STATUS, VALIDATION_ERRORS } from './enums'
 import { getBookedDays } from './index'
 
 export type Booking = {
   uuid: string
-  booker?: Booker
+  name: string
+  email: string
+  phone: string
+  street: string
+  zip: string
+  city: string
   bill?: Bill
   startDate: string
   endDate: string
@@ -36,11 +40,12 @@ const BookingSchema = new mongoose.Schema<BookingDocument>(
       default: uuidv4,
       index: true,
     },
-    booker: {
-      type: mongoose.Schema.Types.ObjectId,
-      ref: 'Booker',
-      required: true,
-    },
+    name: { type: String, required: true },
+    email: { type: String, required: true, minlength: 5 },
+    phone: { type: String, required: false },
+    street: { type: String, required: true },
+    zip: { type: String, required: true },
+    city: { type: String, required: true },
     bill: {
       type: mongoose.Schema.Types.ObjectId,
       ref: 'Bill',
diff --git a/db/index.ts b/db/index.ts
index 78d2e12..05ce2cd 100644
--- a/db/index.ts
+++ b/db/index.ts
@@ -1,5 +1,4 @@
 import * as mongoose from 'mongoose'
-import BookerModel, { Booker } from './booker'
 import BookingModel, { Booking, BookingDocument } from './booking'
 import BillModel, { Bill } from './bill'
 import { BOOKING_STATUS } from './enums'
@@ -20,7 +19,9 @@ function connect(): Promise<typeof mongoose> {
   return connectedPromise
 }
 
-export async function getBookedDays(uuidsToIngore?: string[]): Promise<string[]> {
+export async function getBookedDays(
+  uuidsToIngore?: string[]
+): Promise<string[]> {
   await connect()
   return BookingModel.findBookedDays(uuidsToIngore)
 }
@@ -33,14 +34,14 @@ export async function getBookingByUUID(uuid: string): Promise<BookingDocument> {
 export async function getBookings({
   status = [BOOKING_STATUS.CONFIRMED, BOOKING_STATUS.REQUESTED],
   startDateGreaterThan = '2000-01-01T00:00:00Z',
-}: { status?: BOOKING_STATUS[]; startDateGreaterThan?: string } = {}): Promise<BookingDocument[]> {
+}: { status?: BOOKING_STATUS[]; startDateGreaterThan?: string } = {}): Promise<
+  BookingDocument[]
+> {
   await connect()
   return await BookingModel.find({
     status: { $in: status },
     startDate: { $gte: startDateGreaterThan },
-  })
-    .populate('booker')
-    .exec()
+  }).exec()
 }
 
 export async function createBooking({
@@ -55,7 +56,7 @@ export async function createBooking({
   street,
   zip,
   city,
-}: Booking & Booker): Promise<Booking> {
+}: Booking): Promise<Booking> {
   await connect()
   const booking = new BookingModel({
     startDate,
@@ -63,17 +64,15 @@ export async function createBooking({
     purpose,
     org,
     destination,
+    name,
+    email,
+    phone,
+    street,
+    zip,
+    city,
   })
 
-  let booker = await BookerModel.findOne({ email }).exec()
-  if (!booker) {
-    booker = new BookerModel({ name, email, phone, street, zip, city })
-    await booker.save()
-  }
-
-  booking.booker = booker._id
   await booking.save()
-  await booking.populate('booker').execPopulate()
   return booking.toJSON()
 }
 
diff --git a/helpers/ical.ts b/helpers/ical.ts
index 04a0c9c..0c40951 100644
--- a/helpers/ical.ts
+++ b/helpers/ical.ts
@@ -21,7 +21,7 @@ export function generateCalendarEntry(booking: Booking): string {
     duration: { days: booking.days.length },
     location: 'Mömpelgardgasse 25, 72348 Rosenfeld, Deutschland',
     geo: { lat: 48.287044, lon: 8.726361 },
-    description: `Gebucht auf ${booking.booker.name}
+    description: `Gebucht auf ${booking.name}
 
 Buchungs-Link: ${getBaseURL()}/booking/${booking.uuid}
 `,
@@ -39,18 +39,27 @@ Buchungs-Link: ${getBaseURL()}/booking/${booking.uuid}
 }
 
 export function generateBookedCalendar(bookings: Booking[]): string {
-  const events = bookings.map((booking): { productId: string; calName: string; start: [number, number, number]; startOutputType: 'local' | 'utc'; duration: { days: number }; title: string; description: string; status: EventStatus } => ({
+  const events = bookings.map((booking): {
+    productId: string
+    calName: string
+    start: [number, number, number]
+    startOutputType: 'local' | 'utc'
+    duration: { days: number }
+    title: string
+    description: string
+    status: EventStatus
+  } => ({
     productId: 'app.vercel.pfadi-bussle/ics',
     calName: 'Pfadi-Bussle Buchungen',
     start: convertDay(booking.days[0]),
     startOutputType: 'local',
     duration: { days: booking.days.length },
-    title: `Buchung ${booking.booker.name}`,
-    description: `Name: ${booking.booker.name}
+    title: `Buchung ${booking.name}`,
+    description: `Name: ${booking.name}
 Zeitraum: ${daysFormatFrontend(booking.days)}
 
-Email: ${booking.booker.email}
-Telefon: ${booking.booker.phone}
+Email: ${booking.email}
+Telefon: ${booking.phone}
 
 Link: ${getBaseURL()}/admin/booking/${booking.uuid}
 `,
diff --git a/helpers/mail.ts b/helpers/mail.ts
index e0b0601..0c7cbd7 100644
--- a/helpers/mail.ts
+++ b/helpers/mail.ts
@@ -32,7 +32,7 @@ Tel. 0151/212 253 62
 `
 
 function getReceivedBookingBookerText(booking: Booking): string {
-  return `Hallo liebe/r ${booking.booker.name},
+  return `Hallo liebe/r ${booking.name},
 
 Vielen Dank für Deine Buchungsanfrage zum ${daysFormatFrontend(booking.days)}!
 
@@ -49,7 +49,7 @@ ${footer}
 }
 
 function getBookingConfirmedText(booking: Booking): string {
-  return `Hallo liebe/r ${booking.booker.name},
+  return `Hallo liebe/r ${booking.name},
 
 deine Buchunganfrage zum ${daysFormatFrontend(
     booking.days
@@ -65,7 +65,7 @@ ${footer}
 `
 }
 function getBookingRejectedText(booking: Booking): string {
-  return `Hallo liebe/r ${booking.booker.name},
+  return `Hallo liebe/r ${booking.name},
 
 es tut uns leid aber deine Buchungsanfrage zum ${daysFormatFrontend(
     booking.days
@@ -86,7 +86,9 @@ es ging folgende Buchung ein: ${getBaseURL()}/admin/booking/${booking.uuid}
 MfG`
 }
 
-export async function sendReceivedBookingAdminMail(booking: Booking): Promise<void> {
+export async function sendReceivedBookingAdminMail(
+  booking: Booking
+): Promise<void> {
   try {
     await sendMail({
       to: [{ email: ADMIN_EMAIL }],
@@ -102,10 +104,12 @@ export async function sendReceivedBookingAdminMail(booking: Booking): Promise<vo
   }
 }
 
-export async function sendReceivedBookingBookerMail(booking: Booking): Promise<void> {
+export async function sendReceivedBookingBookerMail(
+  booking: Booking
+): Promise<void> {
   try {
     await sendMail({
-      to: [{ email: booking.booker.email, name: booking.booker.name }],
+      to: [{ email: booking.email, name: booking.name }],
       from: { email: FROM_EMAIL, name: 'Pfadi-Bussle Wart' },
       subject: `Deine Pfadi-Bussle Buchung ist eingegangen!`,
       textPlainContent: getReceivedBookingBookerText(booking),
@@ -121,7 +125,7 @@ export async function sendReceivedBookingBookerMail(booking: Booking): Promise<v
 export async function sendBookingConfirmed(booking: Booking): Promise<void> {
   try {
     await sendMail({
-      to: [{ email: booking.booker.email, name: booking.booker.name }],
+      to: [{ email: booking.email, name: booking.name }],
       from: { email: FROM_EMAIL, name: 'Pfadi-Bussle Wart' },
       subject: `Deine Pfadi-Bussle Buchung wurde bestätigt!`,
       textPlainContent: getBookingConfirmedText(booking),
@@ -146,7 +150,7 @@ export async function sendBookingConfirmed(booking: Booking): Promise<void> {
 export async function sendBookingRejected(booking: Booking): Promise<void> {
   try {
     await sendMail({
-      to: [{ email: booking.booker.email, name: booking.booker.name }],
+      to: [{ email: booking.email, name: booking.name }],
       from: { email: FROM_EMAIL, name: 'Pfadi-Bussle Wart' },
       subject: `Deine Pfadi-Bussle Buchung wurde abgelehnt!`,
       textPlainContent: getBookingRejectedText(booking),
diff --git a/helpers/storage.ts b/helpers/storage.ts
index d8df461..52dc19a 100644
--- a/helpers/storage.ts
+++ b/helpers/storage.ts
@@ -7,8 +7,7 @@ function getStorage() {
 }
 
 export function storeBookingData(booking: Booking) {
-  const { name, email, street, zip, city } = booking.booker
-  const { org } = booking
+  const { name, email, street, zip, city, org } = booking
 
   getStorage().setItem(
     BOOKING_DATA_KEY,
diff --git a/lib/getServerSideProps.ts b/lib/getServerSideProps.ts
index 55fc2eb..d96a21a 100644
--- a/lib/getServerSideProps.ts
+++ b/lib/getServerSideProps.ts
@@ -48,7 +48,6 @@ export const getServerSideBooking = async (
     return { props: { booking: null } }
   }
 
-  await booking.populate('booker').execPopulate()
   await booking.populate('bill').execPopulate()
 
   // TODO: hack, not sure why _id is not serilizable
diff --git a/pages/admin/booking/[uuid]/bill.tsx b/pages/admin/booking/[uuid]/bill.tsx
index 330f4f2..50c93a3 100644
--- a/pages/admin/booking/[uuid]/bill.tsx
+++ b/pages/admin/booking/[uuid]/bill.tsx
@@ -158,7 +158,7 @@ export default function BookingBillPage({
               {daysFormatFrontend(booking.days)}
             </div>
             <div>
-              <strong>Bucher:</strong> {booking.booker.name}
+              <strong>Bucher:</strong> {booking.name}
             </div>
             <div>
               <strong>Buchungsstatus:</strong>{' '}
diff --git a/pages/admin/booking/[uuid]/index.tsx b/pages/admin/booking/[uuid]/index.tsx
index afe9772..834da28 100644
--- a/pages/admin/booking/[uuid]/index.tsx
+++ b/pages/admin/booking/[uuid]/index.tsx
@@ -74,7 +74,7 @@ export default function ShowBookingAdmin({
           <strong>Buchungszeitraum:</strong> {daysFormatFrontend(booking.days)}
         </div>
         <div>
-          <strong>Bucher:</strong> {booking.booker.name}
+          <strong>Bucher:</strong> {booking.name}
         </div>
         <div>
           <strong>Buchungsstatus:</strong> {getBookingStatus(booking.status)}
diff --git a/pages/admin/index.tsx b/pages/admin/index.tsx
index 5477450..51ff8f2 100644
--- a/pages/admin/index.tsx
+++ b/pages/admin/index.tsx
@@ -59,13 +59,13 @@ export default function AdminRecentBookings({ bookings }) {
                 <div className="bg-white px-2 py-3 sm:grid sm:grid-cols-3 sm:gap-4 sm:px-6">
                   <dt className="text-sm font-medium text-gray-500">Bucher</dt>
                   <dd className="mt-1 text-sm text-gray-900 sm:mt-0 sm:col-span-2">
-                    {booking.booker.name}
+                    {booking.name}
                   </dd>
                 </div>
                 <div className="bg-gray-100 px-2 py-3 sm:grid sm:grid-cols-3 sm:gap-4 sm:px-6">
                   <dt className="text-sm font-medium text-gray-500">Email</dt>
                   <dd className="mt-1 text-sm text-gray-900 sm:mt-0 sm:col-span-2">
-                    {booking.booker.email}
+                    {booking.email}
                   </dd>
                 </div>
                 <div className="bg-white px-2 py-3 sm:grid sm:grid-cols-3 sm:gap-4 sm:px-6">
diff --git a/pages/api/booking/[uuid]/index.ts b/pages/api/booking/[uuid]/index.ts
index 9e25de0..4f5d4a9 100644
--- a/pages/api/booking/[uuid]/index.ts
+++ b/pages/api/booking/[uuid]/index.ts
@@ -51,7 +51,6 @@ export default withSession(async function userHandler(
       booking.set(req.body)
       try {
         await booking.save()
-        await booking.populate('booker').execPopulate()
         res.status(200).json(booking.toJSON())
       } catch (error) {
         res.status(400).end(`Failed to save booking: ${error.message}`)
diff --git a/pages/api/booking/index.ts b/pages/api/booking/index.ts
index 4d9ff83..af58adf 100644
--- a/pages/api/booking/index.ts
+++ b/pages/api/booking/index.ts
@@ -30,15 +30,11 @@ export default async function userHandler(
         return
       }
 
-      console.log(
-        `received booking ${booking.uuid} from {booking.booker.email}`
-      )
+      console.log(`received booking ${booking.uuid} from {booking.email}`)
       await sendReceivedBookingAdminMail(booking)
       console.log(`send booking ${booking.uuid} received to admin`)
       await sendReceivedBookingBookerMail(booking)
-      console.log(
-        `send booking ${booking.uuid} received to {booking.booker.email}`
-      )
+      console.log(`send booking ${booking.uuid} received to {booking.email}`)
       break
     default:
       res.setHeader('Allow', ['POST'])