diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index 27cc404..cbe64be 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -75,10 +75,6 @@
 	depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS
 	select TICK_ONESHOT
 
-# Kept around for compatibility, maps to NO_HZ_IDLE
-config NO_HZ
-	bool
-
 choice
 	prompt "Timer tick handling"
 	default NO_HZ_IDLE if NO_HZ
@@ -130,6 +126,14 @@
 
 endchoice
 
+config NO_HZ
+	bool "Old Idle dynticks config"
+	depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS
+	help
+	  This is the old config entry that enables dynticks idle.
+	  We keep it around for a little while to enforce backward
+	  compatibility with older config files.
+
 config HIGH_RES_TIMERS
 	bool "High Resolution Timer Support"
 	depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS