diff --git a/pkgs/development/lua-modules/overrides.nix b/pkgs/development/lua-modules/overrides.nix
index af349ba02aac..30be2c197a5d 100644
--- a/pkgs/development/lua-modules/overrides.nix
+++ b/pkgs/development/lua-modules/overrides.nix
@@ -40,11 +40,6 @@ with super;
       { name = "CRYPTO"; dep = pkgs.openssl; }
       { name = "OPENSSL"; dep = pkgs.openssl; }
     ];
-
-    # https://github.com/wahern/cqueues/issues/227
-    NIX_CFLAGS_COMPILE = with pkgs.stdenv; lib.optionalString hostPlatform.isDarwin
-      "-DCLOCK_MONOTONIC -DCLOCK_REALTIME";
-
     disabled = luaOlder "5.1" || luaAtLeast "5.4";
     # Upstream rockspec is pointlessly broken into separate rockspecs, per Lua
     # version, which doesn't work well for us, so modify it