diff --git a/core/res/res/drawable-hdpi/watch_switch_track_mtrl.png b/core/res/res/drawable-hdpi/watch_switch_track_mtrl_alpha.png
similarity index 100%
rename from core/res/res/drawable-hdpi/watch_switch_track_mtrl.png
rename to core/res/res/drawable-hdpi/watch_switch_track_mtrl_alpha.png
diff --git a/core/res/res/drawable-xhdpi/watch_switch_track_mtrl.png b/core/res/res/drawable-xhdpi/watch_switch_track_mtrl_alpha.png
similarity index 100%
rename from core/res/res/drawable-xhdpi/watch_switch_track_mtrl.png
rename to core/res/res/drawable-xhdpi/watch_switch_track_mtrl_alpha.png
diff --git a/core/res/res/drawable-xxhdpi/watch_switch_track_mtrl.png b/core/res/res/drawable-xxhdpi/watch_switch_track_mtrl_alpha.png
similarity index 100%
rename from core/res/res/drawable-xxhdpi/watch_switch_track_mtrl.png
rename to core/res/res/drawable-xxhdpi/watch_switch_track_mtrl_alpha.png
diff --git a/core/res/res/color/watch_switch_track_color_material.xml b/core/res/res/drawable/watch_switch_track_material.xml
similarity index 74%
rename from core/res/res/color/watch_switch_track_color_material.xml
rename to core/res/res/drawable/watch_switch_track_material.xml
index 402a536b4d128..79e92a3310710 100644
--- a/core/res/res/color/watch_switch_track_color_material.xml
+++ b/core/res/res/drawable/watch_switch_track_material.xml
@@ -1,21 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (C) 2016 The Android Open Source Project
-
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
      You may obtain a copy of the License at
-
           http://www.apache.org/licenses/LICENSE-2.0
-
      Unless required by applicable law or agreed to in writing, software
      distributed under the License is distributed on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<!-- Used for the background of switch track for watch switch preference. -->
+
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_enabled="false"
-          android:alpha="0.4" android:color="?attr/colorPrimary" />
-    <item android:color="?attr/colorPrimary" />
+    <item android:state_enabled="false">
+        <bitmap android:alpha="0.1" android:src="@drawable/watch_switch_track_mtrl_alpha" />
+    </item>
+    <item>
+        <bitmap android:alpha="0.2" android:src="@drawable/watch_switch_track_mtrl_alpha" />
+    </item>
 </selector>
diff --git a/core/res/res/layout-watch/preference_widget_switch.xml b/core/res/res/layout-watch/preference_widget_switch.xml
index a1a845abfe3ab..5881cf0c4d1ea 100644
--- a/core/res/res/layout-watch/preference_widget_switch.xml
+++ b/core/res/res/layout-watch/preference_widget_switch.xml
@@ -24,8 +24,7 @@
     android:thumb="@drawable/watch_switch_thumb_material_anim"
     android:thumbTint="@color/watch_switch_thumb_color_material"
     android:thumbTintMode="multiply"
-    android:track="@drawable/watch_switch_track_mtrl"
-    android:trackTint="@color/watch_switch_track_color_material"
+    android:track="@drawable/watch_switch_track_material"
     android:focusable="false"
     android:clickable="false"
     android:background="@null" />