diff --git a/include/zephyr/pm/pm.h b/include/zephyr/pm/pm.h
index 09138bf1871..5c552947221 100644
--- a/include/zephyr/pm/pm.h
+++ b/include/zephyr/pm/pm.h
@@ -116,6 +116,10 @@ int pm_notifier_unregister(struct pm_notifier *notifier);
  */
 const struct pm_state_info *pm_state_next_get(uint8_t cpu);
 
+/** @cond INTERNAL_HIDDEN */
+void z_pm_save_idle_exit(void);
+/** @endcond */
+
 /**
  * @}
  */
@@ -175,10 +179,11 @@ static inline const struct pm_state_info *pm_state_next_get(uint8_t cpu)
 
 	return NULL;
 }
+static inline void z_pm_save_idle_exit(void)
+{
+}
 #endif /* CONFIG_PM */
 
-void z_pm_save_idle_exit(void);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/kernel/idle.c b/kernel/idle.c
index bef193aa8e8..62ff84e4c88 100644
--- a/kernel/idle.c
+++ b/kernel/idle.c
@@ -18,21 +18,6 @@
 
 LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL);
 
-void z_pm_save_idle_exit(void)
-{
-#ifdef CONFIG_PM
-	/* Some CPU low power states require notification at the ISR
-	 * to allow any operations that needs to be done before kernel
-	 * switches task or processes nested interrupts.
-	 * This can be simply ignored if not required.
-	 */
-	pm_system_resume();
-#endif	/* CONFIG_PM */
-#ifdef CONFIG_SYS_CLOCK_EXISTS
-	sys_clock_idle_exit();
-#endif /* CONFIG_SYS_CLOCK_EXISTS */
-}
-
 void idle(void *unused1, void *unused2, void *unused3)
 {
 	ARG_UNUSED(unused1);
diff --git a/subsys/pm/pm.c b/subsys/pm/pm.c
index bb586073fcb..7389f963db6 100644
--- a/subsys/pm/pm.c
+++ b/subsys/pm/pm.c
@@ -280,3 +280,16 @@ const struct pm_state_info *pm_state_next_get(uint8_t cpu)
 {
 	return &z_cpus_pm_state[cpu];
 }
+
+void z_pm_save_idle_exit(void)
+{
+	/* Some CPU low power states require notification at the ISR
+	 * to allow any operations that needs to be done before kernel
+	 * switches task or processes nested interrupts.
+	 * This can be simply ignored if not required.
+	 */
+	pm_system_resume();
+#ifdef CONFIG_SYS_CLOCK_EXISTS
+	sys_clock_idle_exit();
+#endif /* CONFIG_SYS_CLOCK_EXISTS */
+}