diff --git a/src/helpers/file-handling-api.ts b/src/helpers/file-handling-api.ts
index dc1ac799..aafbd9ef 100644
--- a/src/helpers/file-handling-api.ts
+++ b/src/helpers/file-handling-api.ts
@@ -1,4 +1,3 @@
-import type { FileSystemHandle } from 'browser-fs-access';
 import type { DrawingContext } from '../models/drawing-context';
 import { loadFileAndAdjustCanvas } from './load-file-and-adjust-canvas';
 
@@ -9,7 +8,7 @@ export function getLaunchImage(drawingContext: DrawingContext): void {
       if (handle) {
         const file = await handle.getFile();
         drawingContext.document.title = file.name;
-        drawingContext.document.handle = handle as unknown as FileSystemHandle;
+        drawingContext.document.handle = handle;
         await loadFileAndAdjustCanvas(file, drawingContext);
       }
     });
diff --git a/src/helpers/register-drag-drop.ts b/src/helpers/register-drag-drop.ts
index d6d7d564..1d2b41dc 100644
--- a/src/helpers/register-drag-drop.ts
+++ b/src/helpers/register-drag-drop.ts
@@ -1,4 +1,3 @@
-import type { FileSystemHandle } from 'browser-fs-access';
 import type { DrawingContext } from '../models/drawing-context';
 import { loadFileAndAdjustCanvas } from './load-file-and-adjust-canvas';
 import { updateDocumentContext } from './update-document-context';
@@ -22,20 +21,22 @@ export function registerDragDrop(
     );
     for (const file of files) {
       const handle = await file.getAsFileSystemHandle();
-      if (handle?.kind !== 'file') {
+      if (!handle || !isFileHandle(handle)) {
         continue;
       }
 
-      const blob = await (handle as FileSystemFileHandle).getFile();
+      const blob = await handle.getFile();
       await loadFileAndAdjustCanvas(blob, drawingContext);
 
-      updateDocumentContext(
-        handle as unknown as FileSystemHandle,
-        handle.name,
-        drawingContext,
-      );
+      updateDocumentContext(handle, handle.name, drawingContext);
 
       return;
     }
   });
 }
+
+function isFileHandle(
+  handle: FileSystemHandle,
+): handle is FileSystemFileHandle {
+  return handle.kind === 'file';
+}
diff --git a/src/helpers/update-document-context.ts b/src/helpers/update-document-context.ts
index fe97a644..105c5c59 100644
--- a/src/helpers/update-document-context.ts
+++ b/src/helpers/update-document-context.ts
@@ -1,4 +1,3 @@
-import type { FileSystemHandle } from 'browser-fs-access';
 import type { DrawingContext } from '../models/drawing-context';
 import { updateContext } from './update-context';
 
diff --git a/src/menus/file/open.ts b/src/menus/file/open.ts
index 74fc65b5..118f0c89 100644
--- a/src/menus/file/open.ts
+++ b/src/menus/file/open.ts
@@ -3,7 +3,6 @@ import { loadFileAndAdjustCanvas } from '../../helpers/load-file-and-adjust-canv
 import { updateDocumentContext } from '../../helpers/update-document-context';
 import type { MenuAction } from '../../models/menu-action';
 import type { DrawingContext } from '../../models/drawing-context';
-import type { FileSystemHandle } from 'browser-fs-access';
 
 export class OpenAction implements MenuAction {
   async execute(drawingContext: DrawingContext): Promise<void> {
@@ -11,11 +10,7 @@ export class OpenAction implements MenuAction {
       extensions: ['.png'],
       description: 'PNG Files',
     });
-    updateDocumentContext(
-      file.handle as unknown as FileSystemHandle,
-      file.name,
-      drawingContext,
-    );
+    updateDocumentContext(file.handle, file.name, drawingContext);
 
     await loadFileAndAdjustCanvas(file, drawingContext);
   }
diff --git a/src/models/drawing-context.ts b/src/models/drawing-context.ts
index d15a3c4e..51cc2ae9 100644
--- a/src/models/drawing-context.ts
+++ b/src/models/drawing-context.ts
@@ -1,4 +1,3 @@
-import type { FileSystemHandle } from 'browser-fs-access';
 import type { History } from '../helpers/history';
 import type { Brush } from './brush';
 import type { FillStyle } from './fill-style';