diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 6908c88..9b02d3e 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -2455,6 +2455,21 @@
     return true;
 }
 
+bool Layer::detachChildren() {
+    traverseInZOrder([this](Layer* child) {
+        if (child == this) {
+            return;
+        }
+
+        sp<Client> client(child->mClientRef.promote());
+        if (client != nullptr) {
+            client->detachLayer(child);
+        }
+    });
+
+    return true;
+}
+
 void Layer::setParent(const sp<Layer>& layer) {
     mParent = layer;
 }