2 files changed, 2 insertions, 6 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index d4babdbd79..9a5173ba9b 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -2325,15 +2325,11 @@ void Layer::writeToProtoCommonState(perfetto::protos::LayerProto* layerInfo,
     auto parent = useDrawing ? mDrawingParent.promote() : mCurrentParent.promote();
     if (parent != nullptr) {
         layerInfo->set_parent(parent->sequence);
-    } else {
-        layerInfo->set_parent(-1);
     }
 
     auto zOrderRelativeOf = state.zOrderRelativeOf.promote();
     if (zOrderRelativeOf != nullptr) {
         layerInfo->set_z_order_relative_of(zOrderRelativeOf->sequence);
-    } else {
-        layerInfo->set_z_order_relative_of(-1);
     }
 
     layerInfo->set_is_relative_of(state.isRelativeOf);
diff --git a/services/surfaceflinger/layerproto/LayerProtoParser.cpp b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
index 8d48070e13..c3d0a40261 100644
--- a/services/surfaceflinger/layerproto/LayerProtoParser.cpp
+++ b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
@@ -193,13 +193,13 @@ void LayerProtoParser::updateChildrenAndRelative(const perfetto::protos::LayerPr
         }
     }
 
-    if (layerProto.parent() != -1) {
+    if (layerProto.has_parent()) {
         if (layerMap.count(layerProto.parent()) > 0) {
             currLayer->parent = layerMap[layerProto.parent()];
         }
     }
 
-    if (layerProto.z_order_relative_of() != -1) {
+    if (layerProto.has_z_order_relative_of()) {
         if (layerMap.count(layerProto.z_order_relative_of()) > 0) {
             currLayer->zOrderRelativeOf = layerMap[layerProto.z_order_relative_of()];
         }