diff --git i/lib/posix/init.lua w/lib/posix/init.lua
index c17693a..d4db923 100644
--- i/lib/posix/init.lua
+++ w/lib/posix/init.lua
@@ -325,14 +325,6 @@ do
          end
       end
    end
-
-   -- Inject deprecated APIs (overwriting submodules) for backwards compatibility.
-   for k, v in next, require 'posix.deprecated' do
-      M[k] = v
-   end
-   for k, v in next, require 'posix.compat' do
-      M[k] = v
-   end
 end