diff --git a/src/windy/platforms/macos/objc.nim b/src/windy/platforms/macos/objc.nim
index 507cb13..bb6fbc6 100644
--- a/src/windy/platforms/macos/objc.nim
+++ b/src/windy/platforms/macos/objc.nim
@@ -1,15 +1,14 @@
 import macros, strutils, typetraits
 
-# Because we cast many of the ObjC functions to proc pointers, we get a warning.
-# They used to be fine but they turned into errors, turn them into warnings again.
-{.passC: "-Wno-incompatible-function-pointer-types".}
-
 type
   Class* = distinct int
   ID* = distinct int
   SEL* = distinct int
   Protocol* = distinct int
-  IMP* = proc(self: ID, cmd: SEL): ID {.cdecl, varargs.}
+  ## ObjC method implementation pointer. Treat as opaque to avoid strict
+  ## signature checks across varying method shapes.
+  ## Previously: IMP* = proc(self: ID, cmd: SEL): ID {.cdecl, varargs.}
+  IMP* = pointer
   objc_super* = object
     receiver*: ID
     super_class*: Class