diff --git a/doc/reference/power_management/index.rst b/doc/reference/power_management/index.rst
index 7807e84628..1dfd5d08a8 100644
--- a/doc/reference/power_management/index.rst
+++ b/doc/reference/power_management/index.rst
@@ -50,7 +50,6 @@ abstraction layers.
 
 The power management features are classified into the following categories.
 
-* Tickless Idle
 * System Power Management
 * Device Power Management