diff --git a/gfx/layers/ipc/CompositorBridgeParent.cpp b/gfx/layers/ipc/CompositorBridgeParent.cpp
index 23639683019..25fadf921fe 100644
--- a/gfx/layers/ipc/CompositorBridgeParent.cpp
+++ b/gfx/layers/ipc/CompositorBridgeParent.cpp
@@ -1119,8 +1119,7 @@ PWebRenderBridgeParent* CompositorBridgeParent::AllocPWebRenderBridgeParent(
       });
 
   mWrBridge = new WebRenderBridgeParent(this, aPipelineId, mWidget, mVsyncRate);
-  mWrBridge.get()->AddRef();  // IPDL reference
-  {                           // scope lock
+  {  // scope lock
     StaticMonitorAutoLock lock(sIndirectLayerTreesLock);
     MOZ_ASSERT(sIndirectLayerTrees[mRootLayerTreeID].mWrBridge == nullptr);
     sIndirectLayerTrees[mRootLayerTreeID].mWrBridge = mWrBridge;
@@ -1139,7 +1138,6 @@ bool CompositorBridgeParent::DeallocPWebRenderBridgeParent(
       it->second.mWebRenderAPI = nullptr;
     }
   }
-  parent->Release();  // IPDL reference
   return true;
 }
 
diff --git a/gfx/layers/ipc/ContentCompositorBridgeParent.cpp b/gfx/layers/ipc/ContentCompositorBridgeParent.cpp
index 3a44a73fbfd..24085930889 100644
--- a/gfx/layers/ipc/ContentCompositorBridgeParent.cpp
+++ b/gfx/layers/ipc/ContentCompositorBridgeParent.cpp
@@ -177,7 +177,6 @@ ContentCompositorBridgeParent::AllocPWebRenderBridgeParent(
     nsCString error("NO_PARENT");
     WebRenderBridgeParent* parent =
         WebRenderBridgeParent::CreateDestroyed(aPipelineId, std::move(error));
-    parent->AddRef();  // IPDL reference
     return parent;
   }
 
@@ -186,7 +185,6 @@ ContentCompositorBridgeParent::AllocPWebRenderBridgeParent(
   WebRenderBridgeParent* parent = new WebRenderBridgeParent(
       this, aPipelineId, root->CompositorScheduler(), std::move(api),
       std::move(holder), cbp->GetVsyncInterval());
-  parent->AddRef();  // IPDL reference
 
   {  // scope lock
     StaticMonitorAutoLock lock(CompositorBridgeParent::sIndirectLayerTreesLock);
@@ -202,7 +200,6 @@ bool ContentCompositorBridgeParent::DeallocPWebRenderBridgeParent(
     PWebRenderBridgeParent* aActor) {
   WebRenderBridgeParent* parent = static_cast<WebRenderBridgeParent*>(aActor);
   EraseLayerState(wr::AsLayersId(parent->PipelineId()));
-  parent->Release();  // IPDL reference
   return true;
 }
 
diff --git a/gfx/layers/ipc/PWebRenderBridge.ipdl b/gfx/layers/ipc/PWebRenderBridge.ipdl
index f22b5d0aa0e..aa24586a5c7 100644
--- a/gfx/layers/ipc/PWebRenderBridge.ipdl
+++ b/gfx/layers/ipc/PWebRenderBridge.ipdl
@@ -32,7 +32,7 @@ using mozilla::VsyncId from "mozilla/VsyncDispatcher.h";
 namespace mozilla {
 namespace layers {
 
-[ManualDealloc, ParentImpl=virtual]
+[ParentImpl=virtual]
 sync protocol PWebRenderBridge
 {
   manager PCompositorBridge;
diff --git a/gfx/layers/wr/WebRenderBridgeParent.h b/gfx/layers/wr/WebRenderBridgeParent.h
index 782fef2fd77..eccf2f87aac 100644
--- a/gfx/layers/wr/WebRenderBridgeParent.h
+++ b/gfx/layers/wr/WebRenderBridgeParent.h
@@ -64,6 +64,9 @@ class WebRenderBridgeParent final : public PWebRenderBridgeParent,
                                     public CompositableParentManager,
                                     public FrameRecorder {
  public:
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(WebRenderBridgeParent,
+                                       ISurfaceAllocator);
+
   // Constructor for root WebRenderBridgeParents.
   WebRenderBridgeParent(CompositorBridgeParent* aCompositorBridge,
                         const wr::PipelineId& aPipelineId,
diff --git a/gfx/layers/wr/WebRenderLayerManager.cpp b/gfx/layers/wr/WebRenderLayerManager.cpp
index 0bc1c139baa..f349de77155 100644
--- a/gfx/layers/wr/WebRenderLayerManager.cpp
+++ b/gfx/layers/wr/WebRenderLayerManager.cpp
@@ -79,9 +79,12 @@ RefPtr<WebRenderLayerManager> WebRenderLayerManager::Create(
                         << " isParent: " << XRE_IsParentProcess();
   }
 
-  PWebRenderBridgeChild* bridge =
-      aCBChild->SendPWebRenderBridgeConstructor(aPipelineId, size, windowKind);
-  if (!bridge) {
+  PWebRenderBridgeChild* wrBridge =
+      (static_cast<CompositorBridgeChild*>(aCBChild))
+          ->AllocPWebRenderBridgeChild(aPipelineId, size, windowKind);
+  PWebRenderBridgeChild* actor = aCBChild->SendPWebRenderBridgeConstructor(
+      wrBridge, aPipelineId, size, windowKind);
+  if (!actor) {
     // This should only fail if we attempt to access a layer we don't have
     // permission for, or more likely, the GPU process crashed again during
     // reinitialization. We can expect to be notified again to reinitialize
@@ -94,7 +97,7 @@ RefPtr<WebRenderLayerManager> WebRenderLayerManager::Create(
   }
 
   RefPtr<WebRenderBridgeChild> wrChild =
-      static_cast<WebRenderBridgeChild*>(bridge);
+      static_cast<WebRenderBridgeChild*>(actor);
   return new WebRenderLayerManager(aWidget, wrChild.forget());
 }