diff --git a/Userland/Services/WindowServer/WindowServer.ipc b/Userland/Services/WindowServer/WindowServer.ipc
index 38ed398a92..691414ab0b 100644
--- a/Userland/Services/WindowServer/WindowServer.ipc
+++ b/Userland/Services/WindowServer/WindowServer.ipc
@@ -176,9 +176,9 @@ endpoint WindowServer
 
     set_flash_flush(bool enabled) =|
 
-    set_window_parent_from_client(i32 client_id, i32 parent_id, i32 child_id) =|
+    set_window_parent_from_client(i32 client_id, i32 parent_id, i32 child_id) => ()
     get_window_rect_from_client(i32 client_id, i32 window_id) => (Gfx::IntRect rect)
-    add_window_stealing_for_client(i32 client_id, i32 window_id) =|
-    remove_window_stealing_for_client(i32 client_id, i32 window_id) =|
-    remove_window_stealing(i32 window_id) =|
+    add_window_stealing_for_client(i32 client_id, i32 window_id) => ()
+    remove_window_stealing_for_client(i32 client_id, i32 window_id) => ()
+    remove_window_stealing(i32 window_id) => ()
 }