diff --git a/ly-ui/build.zig b/ly-ui/build.zig
index b13633f..f3727a8 100644
--- a/ly-ui/build.zig
+++ b/ly-ui/build.zig
@@ -38,18 +38,7 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
     termbox2.defineCMacro("TB_IMPL", null);
-    // TODO 0.16.0: Workaround until Aro gets better...
-    // https://codeberg.org/ziglang/translate-c/issues/319
-    termbox2.defineCMacro("_XOPEN_SOURCE", "700");
     termbox2.defineCMacro("TB_OPT_ATTR_W", "32"); // Enable 24-bit color support + styling (32-bit)
-    // TODO 0.16.0: Including <fcntl.h> with -OReleaseSafe causes
-    // __attribute__(__error__()) to be called. Below
-    // is the workaround.
-    termbox2.defineCMacro("_FORTIFY_SOURCE", "0");
-    // TODO 0.16.0: Needed for now
-    if (target.result.os.tag == .freebsd) {
-        termbox2.defineCMacro("__BSD_VISIBLE", "1");
-    }
     mod.addImport("termbox2", termbox2.mod);
 
     const mod_tests = b.addTest(.{