diff --git a/src/components/FullPlayground.tsx b/src/components/FullPlayground.tsx
index 6364620..f7bd447 100644
--- a/src/components/FullPlayground.tsx
+++ b/src/components/FullPlayground.tsx
@@ -602,7 +602,7 @@ export function ThemedAppView(props: { datastore: DataStore }) {
   >(undefined);
 
   const conductValidation = () => {
-    validationService.conductValidation((validated: boolean) => {
+    validationService.conductValidation(() => {
       return false;
     });
   };
diff --git a/src/playground-ui/ConfirmDialog.tsx b/src/playground-ui/ConfirmDialog.tsx
index 1057003..b541d3f 100644
--- a/src/playground-ui/ConfirmDialog.tsx
+++ b/src/playground-ui/ConfirmDialog.tsx
@@ -8,7 +8,7 @@ import DialogTitle from "@material-ui/core/DialogTitle";
 import TextField from "@material-ui/core/TextField";
 import React, { useState } from "react";
 
-export type ConfirmValue  = "undefined" | "load" | "replace"
+export type ConfirmValue  = "undefined" | "load" | "replace" | "nevermind"
 
 /**
  * ConfirmDialogButton is a button in the confirm dialog.
diff --git a/src/playground-ui/DiscordChatCrate.tsx b/src/playground-ui/DiscordChatCrate.tsx
index 98ecdf5..47de5d6 100644
--- a/src/playground-ui/DiscordChatCrate.tsx
+++ b/src/playground-ui/DiscordChatCrate.tsx
@@ -58,7 +58,7 @@ const loadFromCDN = () =>
     script.src = CDN_URL;
     document.head.appendChild(script);
 
-    script.onload = () => resolve((window as any).Crate);
+    script.onload = () => resolve(window.Crate);
     script.onerror = () => reject('Failed to load Crate!');
   });
 
diff --git a/src/playground-ui/GoogleAnalyticsHook.tsx b/src/playground-ui/GoogleAnalyticsHook.tsx
index 793998a..85a5e53 100644
--- a/src/playground-ui/GoogleAnalyticsHook.tsx
+++ b/src/playground-ui/GoogleAnalyticsHook.tsx
@@ -2,8 +2,8 @@ import { useEffect } from 'react';
 
 declare global {
     interface Window {
-        gtag: (kind: string, subkind: any, data?: Record<string, any>) => any
-        dataLayer: any[];
+        gtag: (kind: string, subkind: object | string, data?: Record<string, object | string | boolean>) => object
+        dataLayer: object[];
     }
 }
 
@@ -36,6 +36,9 @@ export const useGoogleAnalytics = (measurementId?: string) => {
         if (measurementId && !tagInjected) {
             // Configure Tags Manager.
             window.dataLayer = window.dataLayer || [];
+            // As of 2025-01 we're probably going to get rid of this file soon in favor
+            // of GTM.
+            // eslint-disable-next-line prefer-rest-params
             window.gtag = window.gtag || function () { window.dataLayer.push(arguments) };
             window.gtag('js', new Date());
             window.gtag('config', measurementId);
@@ -54,25 +57,25 @@ export const useGoogleAnalytics = (measurementId?: string) => {
         }
     });
 
-    const pushEvent = (eventName: string, eventParams: Record<string, any>) => {
+    const pushEvent = (eventName: string, eventParams: Record<string, object | string | boolean>) => {
         if (!tagInjected) {
             return
         }
         window.gtag('event', eventName, eventParams);
     };
 
-    const setValue = (valueKey: string, value: Record<string, any>) => {
+    const setValue = (valueKey: string, value: Record<string, object>) => {
         if (!tagInjected) {
             return
         }
         window.gtag('set', valueKey, value);
     };
 
-    const setUser = (userData: Record<string, any>) => {
+    const setUser = (userData: Record<string, object>) => {
         if (userSet) { return; }
         setValue('user', userData);
         userSet = true;
     };
 
     return { initialized: !!measurementId, setValue: setValue, pushEvent: pushEvent, setUser: setUser };
-};
\ No newline at end of file
+};
diff --git a/src/playground-ui/TabPanel.tsx b/src/playground-ui/TabPanel.tsx
index 38bf117..6188164 100644
--- a/src/playground-ui/TabPanel.tsx
+++ b/src/playground-ui/TabPanel.tsx
@@ -12,12 +12,12 @@ export interface TabPanelProps {
     /**
      * index is the index for which, if the value matches, the tab is displayed.
      */
-    index: any;
+    index: string;
 
     /**
      * value is the current tab value.
      */
-    value: any;
+    value: string;
 
     /**
      * className is the custom classname for the TabPanel.