--- a/ipc/ipdl/sync-messages.ini
+++ b/ipc/ipdl/sync-messages.ini
@@ -1002,16 +1002,18 @@ description =
 [PLayerTransaction::GetAnimationTransform]
 description =
 [PLayerTransaction::SetAsyncScrollOffset]
 description =
 [PLayerTransaction::SetAsyncZoom]
 description =
 [PLayerTransaction::GetAPZTestData]
 description =
+[PLayerTransaction::HitTest]
+description = test only
 [PLayerTransaction::RequestProperty]
 description =
 [PLayerTransaction::GetTextureFactoryIdentifier]
 description = bug 1350634
 [PUiCompositorController::Pause]
 description =
 [PUiCompositorController::Resume]
 description =
@@ -1030,16 +1032,18 @@ description = test only
 [PWebRenderBridge::GetAnimationTransform]
 description = test only
 [PWebRenderBridge::SetAsyncScrollOffset]
 description = test only
 [PWebRenderBridge::SetAsyncZoom]
 description = test only
 [PWebRenderBridge::GetAPZTestData]
 description = test only
+[PWebRenderBridge::HitTest]
+description = test only
 [PWebRenderBridge::ShutdownSync]
 description = bug 1377024
 [PHal::GetCurrentBatteryInformation]
 description =
 [PHal::GetCurrentNetworkInformation]
 description =
 [PHal::GetWakeLockInfo]
 description =