diff --git a/Documentation/devicetree/overlay-notes.rst b/Documentation/devicetree/overlay-notes.rst
index ba401ef850e7..f2bb1145bd9f 100644
--- a/Documentation/devicetree/overlay-notes.rst
+++ b/Documentation/devicetree/overlay-notes.rst
@@ -115,10 +115,6 @@ The API is quite easy to use.
    previously created via the call to of_overlay_fdt_apply(). Removal of an
    overlay changeset that is stacked by another will not be permitted.
 
-Finally, if you need to remove all overlays in one-go, just call
-of_overlay_remove_all() which will remove every single one in the correct
-order.
-
 There is the option to register notifiers that get called on
 overlay operations. See of_overlay_notifier_register/unregister and
 enum of_overlay_notify_action for details.
diff --git a/Documentation/translations/zh_CN/devicetree/overlay-notes.rst b/Documentation/translations/zh_CN/devicetree/overlay-notes.rst
index ba5edd05dc1e..f1217ea2ff44 100644
--- a/Documentation/translations/zh_CN/devicetree/overlay-notes.rst
+++ b/Documentation/translations/zh_CN/devicetree/overlay-notes.rst
@@ -116,9 +116,6 @@ DT中的适当位置。在这种情况下，可以提供目标路径。通过标
 2) 调用of_overlay_remove()来删除和清理先前通过调用of_overlay_fdt_apply()
    而创建的覆盖变更集。不允许删除一个被另一个覆盖的覆盖变化集。
 
-最后，如果你需要一次性删除所有的覆盖，只需调用of_overlay_remove_all()，
-它将以正确的顺序删除每一个覆盖。
-
 你可以选择注册在覆盖操作中被调用的通知器。详见
 of_overlay_notifier_register/unregister和enum of_overlay_notify_action。
 
diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 08d5351746be..dd8571371983 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -1273,26 +1273,3 @@ int of_overlay_remove(int *ovcs_id)
 	return ret;
 }
 EXPORT_SYMBOL_GPL(of_overlay_remove);
-
-/**
- * of_overlay_remove_all() - Reverts and frees all overlay changesets
- *
- * Removes all overlays from the system in the correct order.
- *
- * Return: 0 on success, or a negative error number
- */
-int of_overlay_remove_all(void)
-{
-	struct overlay_changeset *ovcs, *ovcs_n;
-	int ret;
-
-	/* the tail of list is guaranteed to be safe to remove */
-	list_for_each_entry_safe_reverse(ovcs, ovcs_n, &ovcs_list, ovcs_list) {
-		ret = of_overlay_remove(&ovcs->id);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(of_overlay_remove_all);
diff --git a/include/linux/of.h b/include/linux/of.h
index b920aac6b975..44d83133a65a 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -1837,7 +1837,6 @@ struct of_overlay_notify_data {
 int of_overlay_fdt_apply(const void *overlay_fdt, u32 overlay_fdt_size,
 			 int *ovcs_id, const struct device_node *target_base);
 int of_overlay_remove(int *ovcs_id);
-int of_overlay_remove_all(void);
 
 int of_overlay_notifier_register(struct notifier_block *nb);
 int of_overlay_notifier_unregister(struct notifier_block *nb);
@@ -1855,11 +1854,6 @@ static inline int of_overlay_remove(int *ovcs_id)
 	return -ENOTSUPP;
 }
 
-static inline int of_overlay_remove_all(void)
-{
-	return -ENOTSUPP;
-}
-
 static inline int of_overlay_notifier_register(struct notifier_block *nb)
 {
 	return 0;