diff --git a/include/ircd/portable.h b/include/ircd/portable.h
index 46cb7f09f..c0bc8cca9 100644
--- a/include/ircd/portable.h
+++ b/include/ircd/portable.h
@@ -65,7 +65,6 @@ namespace ircd
 	typedef u_long ulong;
 #endif
 
-///TODO: XXX hoist lfence out of unlikely target block
 #if defined(RB_ASSERT) && defined(RB_ASSERT_INTRINSIC) && !defined(NDEBUG) && defined(__SSE2__)
 	#undef assert
 	#ifdef __clang__