diff --git a/app/build.gradle b/app/build.gradle
index 596ca090e6..94e1318389 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -172,7 +172,6 @@ configurations {
 }
 
 dependencies {
-    implementation 'com.android.support:support-v4:27.1.1'
     wearApp project(':wear')
 
     implementation fileTree(include: ['*.jar'], dir: 'libs')
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a65f92d7b3..1b372a0cf9 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -160,8 +160,7 @@
         <activity
             android:name=".startupwizard.SetupWizardActivity"
             android:configChanges="orientation|keyboardHidden|screenSize"
-            android:label="@string/title_activity_setup_wizard"
-            android:theme="@style/FullscreenTheme"></activity>
+            android:label="@string/title_activity_setup_wizard"></activity>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
deleted file mode 100644
index 7ce840eb60..0000000000
--- a/app/src/main/res/values/attrs.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<resources>
-
-    <!-- Declare custom theme attributes that allow changing which styles are
-         used for button bars depending on the API level.
-         ?android:attr/buttonBarStyle is new as of API 11 so this is
-         necessary to support previous API levels. -->
-    <declare-styleable name="ButtonBarContainerTheme">
-        <attr name="metaButtonBarStyle" format="reference" />
-        <attr name="metaButtonBarButtonStyle" format="reference" />
-    </declare-styleable>
-
-</resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index c6859e3d2c..2ffdad85c2 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -24,17 +24,5 @@
         <item name="android:textSize">10sp</item>
     </style>
 
-    <style name="FullscreenTheme" parent="AppTheme">
-        <item name="android:actionBarStyle">@style/FullscreenActionBarStyle</item>
-        <item name="android:windowActionBarOverlay">true</item>
-        <item name="android:windowBackground">@null</item>
-        <item name="metaButtonBarStyle">?android:attr/buttonBarStyle</item>
-        <item name="metaButtonBarButtonStyle">?android:attr/buttonBarButtonStyle</item>
-    </style>
-
-    <style name="FullscreenActionBarStyle" parent="Widget.AppCompat.ActionBar">
-        <item name="android:background">@color/black_overlay</item>
-    </style>
-
-    <!-- Preferences -->
+     <!-- Preferences -->
 </resources>