diff --git a/Library/Homebrew/os/mac/mach.rbi b/Library/Homebrew/os/mac/mach.rbi
index 54bb844d78..0fbefdff4c 100644
--- a/Library/Homebrew/os/mac/mach.rbi
+++ b/Library/Homebrew/os/mac/mach.rbi
@@ -2,4 +2,6 @@
 
 module MachOShim
   include Kernel
+
+  requires_ancestor { Pathname }
 end
diff --git a/Library/Homebrew/sorbet/rbi/parlour.rbi b/Library/Homebrew/sorbet/rbi/parlour.rbi
index 5151b1402a..78d49f163e 100644
--- a/Library/Homebrew/sorbet/rbi/parlour.rbi
+++ b/Library/Homebrew/sorbet/rbi/parlour.rbi
@@ -244,9 +244,6 @@ end
 module MachOShim
   sig { params(args: T.untyped, options: T.untyped, block: T.untyped).returns(T.untyped) }
   def dylib_id(*args, **options, &block); end
-
-  sig { params(args: T.untyped, options: T.untyped, block: T.untyped).returns(T.untyped) }
-  def rpaths(*args, **options, &block); end
 end
 
 class PkgVersion