diff --git a/lib/eventTypeInput.ts b/lib/eventTypeInput.ts
deleted file mode 100644
index e8c76e42..00000000
--- a/lib/eventTypeInput.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-export enum EventTypeCustomInputType {
-    Text = 'text',
-    TextLong = 'textLong',
-    Number = 'number',
-    Bool = 'bool',
-}
-
-export interface EventTypeCustomInput {
-    id?: number;
-    type: EventTypeCustomInputType;
-    label: string;
-    required: boolean;
-}
diff --git a/pages/[user]/book.tsx b/pages/[user]/book.tsx
index 74e2c785..92a27ef9 100644
--- a/pages/[user]/book.tsx
+++ b/pages/[user]/book.tsx
@@ -3,6 +3,7 @@ import Link from "next/link";
 import { useRouter } from "next/router";
 import { CalendarIcon, ClockIcon, ExclamationIcon, LocationMarkerIcon } from "@heroicons/react/solid";
 import prisma, { whereAndSelect } from "../../lib/prisma";
+import { EventTypeCustomInputType } from "@prisma/client";
 import { collectPageParameters, telemetryEventTypes, useTelemetry } from "../../lib/telemetry";
 import { useEffect, useState } from "react";
 import dayjs from "dayjs";
@@ -13,7 +14,6 @@ import PhoneInput from "react-phone-number-input";
 import { LocationType } from "../../lib/location";
 import Avatar from "../../components/Avatar";
 import Button from "../../components/ui/Button";
-import { EventTypeCustomInputType } from "../../lib/eventTypeInput";
 import Theme from "@components/Theme";
 import { ReactMultiEmail } from "react-multi-email";
 import "react-multi-email/style.css";
@@ -71,7 +71,7 @@ export default function Book(props: any): JSX.Element {
           .map((input) => {
             const data = event.target["custom_" + input.id];
             if (data) {
-              if (input.type === EventTypeCustomInputType.Bool) {
+              if (input.type === EventTypeCustomInputType.BOOL) {
                 return input.label + "\n" + (data.checked ? "Yes" : "No");
               } else {
                 return input.label + "\n" + data.value;
@@ -273,14 +273,14 @@ export default function Book(props: any): JSX.Element {
                       .sort((a, b) => a.id - b.id)
                       .map((input) => (
                         <div className="mb-4" key={"input-" + input.label.toLowerCase}>
-                          {input.type !== EventTypeCustomInputType.Bool && (
+                          {input.type !== EventTypeCustomInputType.BOOL && (
                             <label
                               htmlFor={input.label}
                               className="block text-sm font-medium text-gray-700 dark:text-white mb-1">
                               {input.label}
                             </label>
                           )}
-                          {input.type === EventTypeCustomInputType.TextLong && (
+                          {input.type === EventTypeCustomInputType.TEXTLONG && (
                             <textarea
                               name={"custom_" + input.id}
                               id={"custom_" + input.id}
@@ -290,7 +290,7 @@ export default function Book(props: any): JSX.Element {
                               placeholder=""
                             />
                           )}
-                          {input.type === EventTypeCustomInputType.Text && (
+                          {input.type === EventTypeCustomInputType.TEXT && (
                             <input
                               type="text"
                               name={"custom_" + input.id}
@@ -300,7 +300,7 @@ export default function Book(props: any): JSX.Element {
                               placeholder=""
                             />
                           )}
-                          {input.type === EventTypeCustomInputType.Number && (
+                          {input.type === EventTypeCustomInputType.NUMBER && (
                             <input
                               type="number"
                               name={"custom_" + input.id}
@@ -310,7 +310,7 @@ export default function Book(props: any): JSX.Element {
                               placeholder=""
                             />
                           )}
-                          {input.type === EventTypeCustomInputType.Bool && (
+                          {input.type === EventTypeCustomInputType.BOOL && (
                             <div className="flex items-center h-5">
                               <input
                                 type="checkbox"
diff --git a/pages/event-types/[type].tsx b/pages/event-types/[type].tsx
index de360693..81071a84 100644
--- a/pages/event-types/[type].tsx
+++ b/pages/event-types/[type].tsx
@@ -5,13 +5,13 @@ import { useRouter } from "next/router";
 import React, { useEffect, useRef, useState } from "react";
 import Select, { OptionBase } from "react-select";
 import prisma from "@lib/prisma";
+import { EventTypeCustomInput, EventTypeCustomInputType } from "@prisma/client";
 import { LocationType } from "@lib/location";
 import Shell from "@components/Shell";
 import { getSession } from "next-auth/client";
 import { Scheduler } from "@components/ui/Scheduler";
 import { Disclosure, RadioGroup } from "@headlessui/react";
 import { PhoneIcon, XIcon } from "@heroicons/react/outline";
-import { EventTypeCustomInput, EventTypeCustomInputType } from "@lib/eventTypeInput";
 import {
   LocationMarkerIcon,
   LinkIcon,
@@ -106,10 +106,10 @@ export default function EventTypePage({
   const router = useRouter();
 
   const inputOptions: OptionBase[] = [
-    { value: EventTypeCustomInputType.Text, label: "Text" },
-    { value: EventTypeCustomInputType.TextLong, label: "Multiline Text" },
-    { value: EventTypeCustomInputType.Number, label: "Number" },
-    { value: EventTypeCustomInputType.Bool, label: "Checkbox" },
+    { value: EventTypeCustomInputType.TEXT, label: "Text" },
+    { value: EventTypeCustomInputType.TEXTLONG, label: "Multiline Text" },
+    { value: EventTypeCustomInputType.NUMBER, label: "Number" },
+    { value: EventTypeCustomInputType.BOOL, label: "Checkbox" },
   ];
 
   const [DATE_PICKER_ORIENTATION, setDatePickerOrientation] = useState<OrientationShape>("horizontal");
@@ -342,28 +342,19 @@ export default function EventTypePage({
       type: e.target.type.value,
     };
 
-    if (e.target.id?.value) {
-      const index = customInputs.findIndex((inp) => inp.id === +e.target.id?.value);
-      if (index >= 0) {
-        const input = customInputs[index];
-        input.label = customInput.label;
-        input.required = customInput.required;
-        input.type = customInput.type;
-        setCustomInputs(customInputs);
-      }
+    if (selectedCustomInput) {
+      selectedCustomInput.label = customInput.label;
+      selectedCustomInput.required = customInput.required;
+      selectedCustomInput.type = customInput.type;
     } else {
       setCustomInputs(customInputs.concat(customInput));
     }
     closeAddCustomModal();
   };
 
-  const removeCustom = (customInput, e) => {
-    e.preventDefault();
-    const index = customInputs.findIndex((inp) => inp.id === customInput.id);
-    if (index >= 0) {
-      customInputs.splice(index, 1);
-      setCustomInputs([...customInputs]);
-    }
+  const removeCustom = (index: number) => {
+    customInputs.splice(index, 1);
+    setCustomInputs([...customInputs]);
   };
 
   return (
@@ -638,8 +629,8 @@ export default function EventTypePage({
                           </div>
                           <div className="w-full">
                             <ul className="w-96 mt-1">
-                              {customInputs.map((customInput) => (
-                                <li key={customInput.label} className="bg-secondary-50 mb-2 p-2 border">
+                              {customInputs.map((customInput: EventTypeCustomInput, idx: number) => (
+                                <li key={idx} className="bg-secondary-50 mb-2 p-2 border">
                                   <div className="flex justify-between">
                                     <div>
                                       <div>
@@ -661,7 +652,7 @@ export default function EventTypePage({
                                         className="mr-2 text-sm text-primary-600">
                                         Edit
                                       </button>
-                                      <button onClick={(e) => removeCustom(customInput, e)}>
+                                      <button type="button" onClick={() => removeCustom(idx)}>
                                         <XIcon className="h-6 w-6 border-l-2 pl-1 hover:text-red-500 " />
                                       </button>
                                     </div>
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 62e93561..fe1f869f 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -162,12 +162,19 @@ model SelectedCalendar {
   @@id([userId,integration,externalId])
 }
 
+enum EventTypeCustomInputType {
+  TEXT @map("text")
+  TEXTLONG @map("textLong")
+  NUMBER @map("number")
+  BOOL @map("bool")
+}
+
 model EventTypeCustomInput {
   id          Int       @id @default(autoincrement())
   eventTypeId Int
   eventType   EventType @relation(fields: [eventTypeId], references: [id])
   label       String
-  type        String
+  type        EventTypeCustomInputType
   required    Boolean
 }