diff --git a/web/views/web.py b/web/views/web.py
index 85b7fea..6f91fe2 100644
--- a/web/views/web.py
+++ b/web/views/web.py
@@ -315,7 +315,6 @@ def manifest(request, *args, **kwargs):
                 "src": settings.logo.url,
                 "sizes": "512x512",
                 "type": "image/png",
-                "purpose": "maskable any",
             }
         )
 
@@ -325,7 +324,6 @@ def manifest(request, *args, **kwargs):
                 "src": settings.logo_256.url,
                 "sizes": "256x256",
                 "type": "image/png",
-                "purpose": "maskable any",
             }
         )
 
@@ -335,7 +333,6 @@ def manifest(request, *args, **kwargs):
                 "src": settings.logo_128.url,
                 "sizes": "128x128",
                 "type": "image/png",
-                "purpose": "maskable any",
             }
         )