diff --git a/include/helpers.h b/include/helpers.h
index 32b21087..726be0a9 100644
--- a/include/helpers.h
+++ b/include/helpers.h
@@ -59,7 +59,6 @@
 	}
 
 #else
-	// FIXME: these are rarely used, and need testing...
 	#include <limits.h>
 	static inline int ctz(unsigned int x)
 	{