diff --git a/tests/SilkFX/src/com/android/test/silkfx/common/ColorModeControls.kt b/tests/SilkFX/src/com/android/test/silkfx/common/ColorModeControls.kt
index b41ee3a9ef2c0..046174cf83255 100644
--- a/tests/SilkFX/src/com/android/test/silkfx/common/ColorModeControls.kt
+++ b/tests/SilkFX/src/com/android/test/silkfx/common/ColorModeControls.kt
@@ -19,11 +19,7 @@ package com.android.test.silkfx.common
 import android.content.Context
 import android.content.pm.ActivityInfo
 import android.hardware.display.DisplayManager
-import android.os.IBinder
 import android.util.AttributeSet
-import android.util.Log
-import android.view.SurfaceControl
-import android.view.SurfaceControlHdrLayerInfoListener
 import android.view.Window
 import android.widget.Button
 import android.widget.LinearLayout
@@ -39,7 +35,6 @@ class ColorModeControls : LinearLayout, WindowObserver {
     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
         displayManager = context.getSystemService(DisplayManager::class.java)!!
         displayId = context.getDisplayId()
-        displayToken = SurfaceControl.getInternalDisplayToken()
     }
 
     private var window: Window? = null
@@ -47,7 +42,6 @@ class ColorModeControls : LinearLayout, WindowObserver {
     private val displayManager: DisplayManager
     private var targetSdrWhitePointIndex = 0
     private var displayId: Int
-    private var displayToken: IBinder
 
     private val whitePoint get() = SDR_WHITE_POINTS[targetSdrWhitePointIndex]
 
@@ -115,36 +109,10 @@ class ColorModeControls : LinearLayout, WindowObserver {
         // Imperfect, but close enough, synchronization by waiting for frame commit to set the value
         viewTreeObserver.registerFrameCommitCallback {
             try {
-                SurfaceControl.setDisplayBrightness(displayToken, level)
                 displayManager.setTemporaryBrightness(displayId, level)
             } catch (ex: Exception) {
                 // Ignore a permission denied rejection - it doesn't meaningfully change much
             }
         }
     }
-
-    private val listener = object : SurfaceControlHdrLayerInfoListener() {
-        override fun onHdrInfoChanged(
-            displayToken: IBinder?,
-            numberOfHdrLayers: Int,
-            maxW: Int,
-            maxH: Int,
-            flags: Int
-        ) {
-            Log.d("HDRInfo", "onHdrInfoChanged: numLayer = $numberOfHdrLayers ($maxW x $maxH)" +
-                    ", flags = $flags")
-        }
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-
-        threadedRenderer?.setColorMode(window!!.colorMode, whitePoint)
-        listener.register(displayToken)
-    }
-
-    override fun onDetachedFromWindow() {
-        super.onDetachedFromWindow()
-        listener.unregister(displayToken)
-    }
-}
\ No newline at end of file
+}