diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 199392c..9182feb 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -126,12 +126,8 @@
     // ----- BEGIN NEW INTERFACE -----
 
     // queries that are required to be thread safe
-    virtual bool isProtected() const = 0;
     virtual bool supportsProtectedContent() const = 0;
 
-    // Attempt to switch RenderEngine into and out of protectedContext mode
-    virtual void useProtectedContext(bool useProtectedContext) = 0;
-
     // Notify RenderEngine of changes to the dimensions of the active display
     // so that it can configure its internal caches accordingly.
     virtual void onActiveDisplaySizeChanged(ui::Size size) = 0;
@@ -238,6 +234,13 @@
     friend class RenderEngineTest_cleanupPostRender_cleansUpOnce_Test;
     const RenderEngineType mRenderEngineType;
 
+    // Update protectedContext mode depending on whether or not any layer has a protected buffer.
+    void updateProtectedContext(const std::vector<LayerSettings>&,
+                                const std::shared_ptr<ExternalTexture>&);
+
+    // Attempt to switch RenderEngine into and out of protectedContext mode
+    virtual void useProtectedContext(bool useProtectedContext) = 0;
+
     virtual void drawLayersInternal(
             const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
             const DisplaySettings& display, const std::vector<LayerSettings>& layers,