diff --git a/demo/client/client.ts b/demo/client/client.ts
index 1ed83669..68202ad7 100644
--- a/demo/client/client.ts
+++ b/demo/client/client.ts
@@ -282,10 +282,7 @@ function createTerminal(): Terminal {
       buildNumber: 22621
     } : undefined,
     fontFamily: '"Fira Code", monospace, "Powerline Extra Symbols"',
-    theme: { ...xtermjsTheme },
-    vtExtensions: {
-      win32InputMode: isWindows
-    }
+    theme: { ...xtermjsTheme }
   } as ITerminalOptions);
 
   // Load addons