diff --git a/globals.d.ts b/globals.d.ts
deleted file mode 100644
index 74214cb..0000000
--- a/globals.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import type { TransformEvent } from './src/common/TransformEvent';
-
-declare global {
-  interface HTMLElementEventMap {
-    transform: TransformEvent;
-  }
-}
diff --git a/src/common/iframe-script.ts b/src/common/iframe-script.ts
index 1e48e7e..6082402 100644
--- a/src/common/iframe-script.ts
+++ b/src/common/iframe-script.ts
@@ -1,5 +1,6 @@
 import { FolkShape } from '../folk-shape.ts';
 import { ClientRectObserverManager, ClientRectObserverEntry } from './client-rect-observer.ts';
+import { TransformEvent } from './TransformEvent.ts';
 
 const clientRectObserver = new ClientRectObserverManager();
 
@@ -61,11 +62,11 @@ if (window.parent !== window) {
     });
   }
 
-  function onGeometryChange(event: any) {
+  function onGeometryChange(event: TransformEvent) {
     window.parent.postMessage({
       type: 'folk-element-change',
       selector: observedSelectors.get(event.target),
-      boundingBox: event.target?.getTransformDOMRect(),
+      boundingBox: (event.target as FolkShape)?.getTransformDOMRect(),
     });
   }
 
diff --git a/src/folk-proximity.ts b/src/folk-proximity.ts
index f1e487a..10d90da 100644
--- a/src/folk-proximity.ts
+++ b/src/folk-proximity.ts
@@ -1,4 +1,5 @@
 import { aabbIntersection } from './common/collision.ts';
+import { TransformEvent } from './common/TransformEvent.ts';
 import { FolkHull } from './folk-hull';
 import { FolkShape } from './folk-shape.ts';
 
@@ -148,7 +149,7 @@ export class FolkProximity extends HTMLElement {
     this.addEventListener('transform', this.#handleProximity);
   }
 
-  #handleProximity = (e: Event) => {
+  #handleProximity = (e: TransformEvent) => {
     const el = e.target as FolkShape;
 
     const cluster = this.#findCluster(el);
diff --git a/tsconfig.json b/tsconfig.json
index 0e0be3a..cc42640 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -15,5 +15,5 @@
     "lib": ["DOM", "DOM.Iterable", "ESNext", "WebWorker"],
     "types": ["@webgpu/types", "@types/node", "bun-types"]
   },
-  "include": ["src/**/*.ts", "demo/**/*.ts", "vite.config.ts", "globals.d.ts"]
+  "include": ["src/**/*.ts", "demo/**/*.ts", "vite.config.ts"]
 }