diff --git a/lib/util/roundup.c b/lib/util/roundup.c
index 7caf8b454..925ddfb8b 100644
--- a/lib/util/roundup.c
+++ b/lib/util/roundup.c
@@ -40,7 +40,6 @@ sudo_pow2_roundup_v1(unsigned int len)
 /*
  * Round a size_t length to the next highest power of two.
  * Always returns at least 64.
- * Algorithm from bit twiddling hacks.
  */
 size_t
 sudo_pow2_roundup_v2(size_t len)