diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 5e1a858..dfff8fe 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -575,7 +575,7 @@
 // ---------------------------------------------------------------------------
 
 std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientComposition(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) const {
     if (!getCompositionState()) {
         return {};
     }
@@ -653,30 +653,6 @@
     layerSettings.name = getName();
 }
 
-// TODO(b/188891810): This method now only ever returns 0 or 1 layers so we should return
-// std::optional instead of a vector.  Additionally, we should consider removing
-// this method entirely in favor of calling prepareClientComposition directly.
-std::vector<compositionengine::LayerFE::LayerSettings> Layer::prepareClientCompositionList(
-        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
-    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
-            prepareClientComposition(targetSettings);
-    // Nothing to render.
-    if (!layerSettings) {
-        return {};
-    }
-
-    // HWC requests to clear this layer.
-    if (targetSettings.clearContent) {
-        prepareClearClientComposition(*layerSettings, false /* blackout */);
-        return {*layerSettings};
-    }
-
-    // set the shadow for the layer if needed
-    prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
-
-    return {*layerSettings};
-}
-
 aidl::android::hardware::graphics::composer3::Composition Layer::getCompositionType(
         const DisplayDevice& display) const {
     const auto outputLayer = findOutputLayerForDisplay(&display);
@@ -2006,7 +1982,7 @@
 }
 
 void Layer::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
-                                           const Rect& layerStackRect) {
+                                           const Rect& layerStackRect) const {
     renderengine::ShadowSettings state = mFlinger->mDrawingState.globalShadowSettings;
 
     // Note: this preserves existing behavior of shadowing the entire layer and not cropping it if