diff --git a/code/__HELPERS/yelling.dm b/code/__HELPERS/yelling.dm
index 8bb7690694..4383a245d4 100644
--- a/code/__HELPERS/yelling.dm
+++ b/code/__HELPERS/yelling.dm
@@ -29,7 +29,7 @@
 	var/returned
 #define RUN_YELL(_T, _P, _D) \
 	returned = max(_P - max(_T.get_yelling_resistance(_P), 0) - 1, 0); 	\
-	processed[_T] = returned; // \
+	processed[_T] = returned;
 	// _T.maptext = "[returned]";
 
 	var/list/turf/edges_next
diff --git a/code/datums/explosion2.dm b/code/datums/explosion2.dm
index d3429bdebe..9ebdc8a326 100644
--- a/code/datums/explosion2.dm
+++ b/code/datums/explosion2.dm
@@ -362,7 +362,6 @@
 
 #undef CALCULATE_DIAGONAL_POWER
 #undef CALCULATE_DIAGONAL_CROSS_POWER
-#undef CARDINAL_MARK_NOCHECK
 
 #undef DIAGONAL_SUBSTEP
 #undef DIAGONAL_MARK