--- a/gfx/layers/wr/WebRenderLayerManager.cpp
+++ b/gfx/layers/wr/WebRenderLayerManager.cpp
@@ -251,16 +251,17 @@ WebRenderLayerManager::CreateWebRenderCo
       = item->GetSameCoordinateSystemChildren();
     if (item->ShouldFlattenAway(aDisplayListBuilder)) {
       aDisplayList->AppendToBottom(itemSameCoordinateSystemChildren);
       item->Destroy(aDisplayListBuilder);
       continue;
     }
 
     if (item->BackfaceIsHidden() && aSc.IsBackfaceVisible()) {
+      item->Destroy(aDisplayListBuilder);
       continue;
     }
 
     savedItems.AppendToTop(item);
 
     bool forceNewLayerData = false;
     size_t layerCountBeforeRecursing = mLayerScrollData.size();
     if (apzEnabled) {