diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index ad4fbe5bc730d5c332b46bcdabef282a2385bcfe..458600f4fbc5c659c4204192e654f43e021eb2ee 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1827,7 +1827,6 @@ char *device_node_string(char *buf, char *end, struct device_node *dn,
  *       (legacy clock framework) of the clock
  * - 'Cn' For a clock, it prints the name (Common Clock Framework) or address
  *        (legacy clock framework) of the clock
- * - 'Cr' For a clock, it prints the current rate of the clock
  * - 'G' For flags to be printed as a collection of symbolic strings that would
  *       construct the specific value. Supported flags given by option:
  *       p page flags (see struct page) given as pointer to unsigned long