diff --git a/java/com/android/dialer/theme/base/res/values/theme_dialer_dark.xml b/java/com/android/dialer/theme/base/res/values/theme_dialer_dark.xml
index 142bb89..4b50340 100644
--- a/java/com/android/dialer/theme/base/res/values/theme_dialer_dark.xml
+++ b/java/com/android/dialer/theme/base/res/values/theme_dialer_dark.xml
@@ -56,7 +56,7 @@
     <item name="colorControlActivated">?android:attr/colorPrimary</item>
 
     <!-- Dialer specific attributes. -->
-    <item name="colorIcon">?android:attr/textColorSecondary</item>
+    <item name="colorIcon">@color/google_grey_400</item>
     <item name="colorIconSecondary">?android:attr/textColorSecondary</item>
     <item name="colorTextOnUnthemedDarkBackground">@android:color/white</item>
     <item name="colorIconOnUnthemedDarkBackground">@android:color/white</item>
diff --git a/java/com/android/dialer/theme/common/res/values/colors.xml b/java/com/android/dialer/theme/common/res/values/colors.xml
index 1831862..6fea436 100644
--- a/java/com/android/dialer/theme/common/res/values/colors.xml
+++ b/java/com/android/dialer/theme/common/res/values/colors.xml
@@ -16,7 +16,7 @@
   -->
 <!-- The colors in this file aren't configured at the theme level. -->
 <resources>
-  <color name="dialer_call_green">#00C853</color>
+  <color name="dialer_call_green">#34A853</color>
   <color name="dialer_end_call_button_color">#BD2A2A</color>
   <color name="dialer_divider_line_color">#D8D8D8</color>
   <color name="dialer_link_color">#2A56C6</color>
diff --git a/java/com/android/incallui/AnswerScreenPresenter.java b/java/com/android/incallui/AnswerScreenPresenter.java
index 8b789f3..35290de 100644
--- a/java/com/android/incallui/AnswerScreenPresenter.java
+++ b/java/com/android/incallui/AnswerScreenPresenter.java
@@ -18,7 +18,6 @@
 
 import android.content.Context;
 import android.os.SystemClock;
-import android.support.annotation.FloatRange;
 import android.support.annotation.NonNull;
 import android.support.v4.os.UserManagerCompat;
 import android.telecom.VideoProfile;
@@ -216,14 +215,6 @@
     }
   }
 
-  @Override
-  public void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress) {
-    InCallActivity activity = (InCallActivity) answerScreen.getAnswerScreenFragment().getActivity();
-    if (activity != null) {
-      activity.updateWindowBackgroundColor(progress);
-    }
-  }
-
   private class AnswerOnDisconnected implements DialerCallListener {
 
     private final DialerCall disconnectingCall;
diff --git a/java/com/android/incallui/AnswerScreenPresenterStub.java b/java/com/android/incallui/AnswerScreenPresenterStub.java
index e85fdaa..a96fee3 100644
--- a/java/com/android/incallui/AnswerScreenPresenterStub.java
+++ b/java/com/android/incallui/AnswerScreenPresenterStub.java
@@ -16,7 +16,6 @@
 
 package com.android.incallui;
 
-import android.support.annotation.FloatRange;
 import com.android.incallui.answer.protocol.AnswerScreenDelegate;
 import com.android.incallui.incalluilock.InCallUiLock;
 
@@ -50,9 +49,6 @@
   public void onAnswerAndReleaseButtonDisabled() {}
 
   @Override
-  public void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress) {}
-
-  @Override
   public boolean isActionTimeout() {
     return false;
   }
diff --git a/java/com/android/incallui/InCallActivity.java b/java/com/android/incallui/InCallActivity.java
index 46affdf..82139e2 100644
--- a/java/com/android/incallui/InCallActivity.java
+++ b/java/com/android/incallui/InCallActivity.java
@@ -25,12 +25,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
-import android.graphics.drawable.GradientDrawable;
-import android.graphics.drawable.GradientDrawable.Orientation;
 import android.os.Bundle;
 import android.os.Trace;
-import android.support.annotation.ColorInt;
-import android.support.annotation.FloatRange;
 import android.support.annotation.IntDef;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -40,7 +36,6 @@
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.content.res.ResourcesCompat;
-import android.support.v4.graphics.ColorUtils;
 import android.telecom.Call;
 import android.telecom.CallAudioState;
 import android.telecom.PhoneAccountHandle;
@@ -137,7 +132,6 @@
   private Animation dialpadSlideInAnimation;
   private Animation dialpadSlideOutAnimation;
   private Dialog errorDialog;
-  private GradientDrawable backgroundDrawable;
   private InCallOrientationEventListener inCallOrientationEventListener;
   private View pseudoBlackScreenOverlay;
   private SelectPhoneAccountDialogFragment selectPhoneAccountDialogFragment;
@@ -156,7 +150,6 @@
   private boolean isVisible;
   private boolean needDismissPendingDialogs;
   private boolean touchDownWhenPseudoScreenOff;
-  private int[] backgroundDrawableColors;
   @DialpadRequestType private int showDialpadRequest = DIALPAD_REQUEST_NONE;
   private SpeakEasyCallManager speakEasyCallManager;
   private DialogFragment rttRequestDialogFragment;
@@ -874,11 +867,6 @@
 
   public void onForegroundCallChanged(DialerCall newForegroundCall) {
     updateTaskDescription();
-
-    if (newForegroundCall == null || !didShowAnswerScreen) {
-      LogUtil.v("InCallActivity.onForegroundCallChanged", "resetting background color");
-      updateWindowBackgroundColor(0 /* progress */);
-    }
   }
 
   private void updateTaskDescription() {
@@ -892,58 +880,6 @@
             getResources().getString(R.string.notification_ongoing_call), null /* icon */, color));
   }
 
-  public void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress) {
-    ThemeColorManager themeColorManager = InCallPresenter.getInstance().getThemeColorManager();
-    @ColorInt int top;
-    @ColorInt int middle;
-    @ColorInt int bottom;
-    @ColorInt int gray = 0x66000000;
-
-    if (isInMultiWindowMode()) {
-      top = themeColorManager.getBackgroundColorSolid();
-      middle = themeColorManager.getBackgroundColorSolid();
-      bottom = themeColorManager.getBackgroundColorSolid();
-    } else {
-      top = themeColorManager.getBackgroundColorTop();
-      middle = themeColorManager.getBackgroundColorMiddle();
-      bottom = themeColorManager.getBackgroundColorBottom();
-    }
-
-    if (progress < 0) {
-      float correctedProgress = Math.abs(progress);
-      top = ColorUtils.blendARGB(top, gray, correctedProgress);
-      middle = ColorUtils.blendARGB(middle, gray, correctedProgress);
-      bottom = ColorUtils.blendARGB(bottom, gray, correctedProgress);
-    }
-
-    boolean backgroundDirty = false;
-    if (backgroundDrawable == null) {
-      backgroundDrawableColors = new int[] {top, middle, bottom};
-      backgroundDrawable = new GradientDrawable(Orientation.TOP_BOTTOM, backgroundDrawableColors);
-      backgroundDirty = true;
-    } else {
-      if (backgroundDrawableColors[0] != top) {
-        backgroundDrawableColors[0] = top;
-        backgroundDirty = true;
-      }
-      if (backgroundDrawableColors[1] != middle) {
-        backgroundDrawableColors[1] = middle;
-        backgroundDirty = true;
-      }
-      if (backgroundDrawableColors[2] != bottom) {
-        backgroundDrawableColors[2] = bottom;
-        backgroundDirty = true;
-      }
-      if (backgroundDirty) {
-        backgroundDrawable.setColors(backgroundDrawableColors);
-      }
-    }
-
-    if (backgroundDirty) {
-      getWindow().setBackgroundDrawable(backgroundDrawable);
-    }
-  }
-
   public boolean isVisible() {
     return isVisible;
   }
diff --git a/java/com/android/incallui/ThemeColorManager.java b/java/com/android/incallui/ThemeColorManager.java
index 1d4c287..967fae9 100644
--- a/java/com/android/incallui/ThemeColorManager.java
+++ b/java/com/android/incallui/ThemeColorManager.java
@@ -17,10 +17,8 @@
 package com.android.incallui;
 
 import android.content.Context;
-import android.graphics.Color;
 import android.support.annotation.ColorInt;
 import android.support.annotation.Nullable;
-import android.support.v4.graphics.ColorUtils;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
@@ -36,10 +34,6 @@
   private final MaterialColorMapUtils colorMap;
   @ColorInt private int primaryColor;
   @ColorInt private int secondaryColor;
-  @ColorInt private int backgroundColorTop;
-  @ColorInt private int backgroundColorMiddle;
-  @ColorInt private int backgroundColorBottom;
-  @ColorInt private int backgroundColorSolid;
 
   /**
    * If there is no actual call currently in the call list, this will be used as a fallback to
@@ -57,38 +51,21 @@
 
   public void onForegroundCallChanged(Context context, @Nullable DialerCall newForegroundCall) {
     if (newForegroundCall == null) {
-      updateThemeColors(context, getHighlightColor(context, pendingPhoneAccountHandle), false);
+      updateThemeColors(getHighlightColor(context, pendingPhoneAccountHandle), false);
     } else {
       updateThemeColors(
-          context,
           getHighlightColor(context, newForegroundCall.getAccountHandle()),
           newForegroundCall.isSpam());
     }
   }
 
-  private void updateThemeColors(Context context, @ColorInt int highlightColor, boolean isSpam) {
+  private void updateThemeColors(@ColorInt int highlightColor, boolean isSpam) {
     MaterialPalette palette;
     if (isSpam) {
       palette =
           colorMap.calculatePrimaryAndSecondaryColor(R.color.incall_call_spam_background_color);
-      backgroundColorTop = context.getColor(R.color.incall_background_gradient_spam_top);
-      backgroundColorMiddle = context.getColor(R.color.incall_background_gradient_spam_middle);
-      backgroundColorBottom = context.getColor(R.color.incall_background_gradient_spam_bottom);
-      backgroundColorSolid = context.getColor(R.color.incall_background_multiwindow_spam);
     } else {
       palette = colorMap.calculatePrimaryAndSecondaryColor(highlightColor);
-      backgroundColorTop = context.getColor(R.color.incall_background_gradient_top);
-      backgroundColorMiddle = context.getColor(R.color.incall_background_gradient_middle);
-      backgroundColorBottom = context.getColor(R.color.incall_background_gradient_bottom);
-      backgroundColorSolid = context.getColor(R.color.incall_background_multiwindow);
-      if (highlightColor != PhoneAccount.NO_HIGHLIGHT_COLOR) {
-        // The default background gradient has a subtle alpha. We grab that alpha and apply it to
-        // the phone account color.
-        backgroundColorTop = applyAlpha(palette.mPrimaryColor, backgroundColorTop);
-        backgroundColorMiddle = applyAlpha(palette.mPrimaryColor, backgroundColorMiddle);
-        backgroundColorBottom = applyAlpha(palette.mPrimaryColor, backgroundColorBottom);
-        backgroundColorSolid = applyAlpha(palette.mPrimaryColor, backgroundColorSolid);
-      }
     }
 
     primaryColor = palette.mPrimaryColor;
@@ -115,29 +92,4 @@
   public int getSecondaryColor() {
     return secondaryColor;
   }
-
-  @ColorInt
-  public int getBackgroundColorTop() {
-    return backgroundColorTop;
-  }
-
-  @ColorInt
-  public int getBackgroundColorMiddle() {
-    return backgroundColorMiddle;
-  }
-
-  @ColorInt
-  public int getBackgroundColorBottom() {
-    return backgroundColorBottom;
-  }
-
-  @ColorInt
-  public int getBackgroundColorSolid() {
-    return backgroundColorSolid;
-  }
-
-  @ColorInt
-  private static int applyAlpha(@ColorInt int color, @ColorInt int sourceColorWithAlpha) {
-    return ColorUtils.setAlphaComponent(color, Color.alpha(sourceColorWithAlpha));
-  }
 }
diff --git a/java/com/android/incallui/answer/impl/AnswerFragment.java b/java/com/android/incallui/answer/impl/AnswerFragment.java
index 8d8b087..f5da3ef 100644
--- a/java/com/android/incallui/answer/impl/AnswerFragment.java
+++ b/java/com/android/incallui/answer/impl/AnswerFragment.java
@@ -880,8 +880,6 @@
     if (primaryCallState != null) {
       contactGridManager.setCallState(primaryCallState);
     }
-
-    restoreBackgroundMaskColor();
   }
 
   @Override
@@ -900,12 +898,6 @@
 
   @Override
   public void onAnswerProgressUpdate(@FloatRange(from = -1f, to = 1f) float answerProgress) {
-    // Don't fade the window background for call waiting or video upgrades. Fading the background
-    // shows the system wallpaper which looks bad because on reject we switch to another call.
-    if (primaryCallState.state() == DialerCallState.INCOMING && !isVideoCall()) {
-      answerScreenDelegate.updateWindowBackgroundColor(answerProgress);
-    }
-
     // Fade and scale contact name and video call text
     float startDelay = .25f;
     // Header progress is zero over positiveAdjustedProgress = [0, startDelay],
@@ -934,7 +926,6 @@
   @Override
   public void resetAnswerProgress() {
     affordanceHolderLayout.reset(true);
-    restoreBackgroundMaskColor();
   }
 
   private void animateEntry(@NonNull View rootView) {
@@ -1003,10 +994,6 @@
     }
   }
 
-  private void restoreBackgroundMaskColor() {
-    answerScreenDelegate.updateWindowBackgroundColor(0);
-  }
-
   private void restoreSwipeHintTexts() {
     if (getAnswerMethod() != null) {
       if (allowAnswerAndRelease()) {
diff --git a/java/com/android/incallui/answer/impl/answermethod/res/values/styles.xml b/java/com/android/incallui/answer/impl/answermethod/res/values/styles.xml
deleted file mode 100644
index fd3ca7c..0000000
--- a/java/com/android/incallui/answer/impl/answermethod/res/values/styles.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-  <style name="Dialer.Incall.TextAppearance.Hint">
-    <item name="android:textSize">14sp</item>
-    <item name="android:textStyle">italic</item>
-  </style>
-</resources>
diff --git a/java/com/android/incallui/answer/impl/res/layout/fragment_avatar.xml b/java/com/android/incallui/answer/impl/res/layout/fragment_avatar.xml
index f8e4894..246abc5 100644
--- a/java/com/android/incallui/answer/impl/res/layout/fragment_avatar.xml
+++ b/java/com/android/incallui/answer/impl/res/layout/fragment_avatar.xml
@@ -21,5 +21,4 @@
   android:id="@id/contactgrid_avatar"
   android:layout_width="@dimen/answer_avatar_size"
   android:layout_height="@dimen/answer_avatar_size"
-  android:layout_gravity="center"
-  android:elevation="@dimen/answer_data_elevation"/>
+  android:layout_gravity="center"/>
diff --git a/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java b/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java
index 172d964..db2af9b 100644
--- a/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java
+++ b/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java
@@ -16,7 +16,6 @@
 
 package com.android.incallui.answer.protocol;
 
-import android.support.annotation.FloatRange;
 import com.android.incallui.incalluilock.InCallUiLock;
 
 /** Callbacks implemented by the container app for this module. */
@@ -37,16 +36,6 @@
   void onAnswerAndReleaseButtonEnabled();
 
   void onAnswerAndReleaseButtonDisabled();
-  /**
-   * Sets the window background color based on foreground call's theme and the given progress. This
-   * is called from the answer UI to animate the accept and reject action.
-   *
-   * <p>When the user is rejecting we animate the background color to a mostly transparent gray. The
-   * end effect is that the home screen shows through.
-   *
-   * @param progress float from -1 to 1. -1 is fully rejected, 1 is fully accepted, and 0 is neutral
-   */
-  void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress);
 
   /** Returns true if any answer/reject action timed out. */
   boolean isActionTimeout();
diff --git a/java/com/android/incallui/commontheme/res/values/styles.xml b/java/com/android/incallui/commontheme/res/values/styles.xml
index 464eda5..f2ec2cc 100644
--- a/java/com/android/incallui/commontheme/res/values/styles.xml
+++ b/java/com/android/incallui/commontheme/res/values/styles.xml
@@ -17,15 +17,12 @@
 
 <resources>
 
-  <style name="Dialer.Incall.TextAppearance" parent="android:TextAppearance.Material">
+  <style name="Dialer.Incall.TextAppearance" parent="Dialer.TextAppearance.Header1">
     <item name="android:textColor">?android:attr/textColorSecondary</item>
-    <item name="android:textSize">18sp</item>
   </style>
 
-  <style name="Dialer.Incall.TextAppearance.Large">
-    <item name="android:textColor">?android:attr/textColorPrimary</item>
+  <style name="Dialer.Incall.TextAppearance.Large" parent="Dialer.TextAppearance.Header1">
     <item name="android:textSize">36sp</item>
-    <item name="android:fontFamily">sans-serif-light</item>
   </style>
 
   <style name="Dialer.Incall.TextAppearance.Label">
@@ -33,12 +30,18 @@
     <item name="android:textSize">12sp</item>
   </style>
 
+  <style name="Dialer.Incall.TextAppearance.Hint">
+    <item name="android:textColor">?android:attr/textColorHint</item>
+    <item name="android:textSize">14sp</item>
+    <item name="android:textStyle">italic</item>
+  </style>
+
   <style name="BottomRowIcon">
     <item name="android:layout_height">24dp</item>
     <item name="android:layout_width">24dp</item>
     <item name="android:layout_marginEnd">8dp</item>
     <item name="android:scaleType">fitCenter</item>
-    <item name="colorControlNormal">?android:attr/textColorSecondary</item>
+    <item name="colorControlNormal">?colorIcon</item>
   </style>
 
   <style name="Incall.Button.End" parent="android:Widget.Material.Button">
diff --git a/java/com/android/incallui/contactgrid/res/layout/incall_contactgrid_top_row.xml b/java/com/android/incallui/contactgrid/res/layout/incall_contactgrid_top_row.xml
index 2f9ca3e..bc8759e 100644
--- a/java/com/android/incallui/contactgrid/res/layout/incall_contactgrid_top_row.xml
+++ b/java/com/android/incallui/contactgrid/res/layout/incall_contactgrid_top_row.xml
@@ -15,33 +15,34 @@
   ~ limitations under the License
   -->
 <LinearLayout
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:tools="http://schemas.android.com/tools"
-  android:layout_width="wrap_content"
-  android:layout_height="wrap_content"
-  android:gravity="center"
-  android:orientation="horizontal"
-  tools:showIn="@layout/incall_contact_grid">
-  <ImageView
-    android:id="@id/contactgrid_connection_icon"
-    android:layout_width="24dp"
-    android:layout_height="24dp"
-    android:scaleType="fitCenter"
-    tools:src="@android:drawable/sym_def_app_icon"
-    tools:visibility="visible"
-    />
-  <Space
-      android:id="@id/contactgrid_top_row_space"
-      android:layout_height="match_parent"
-      android:layout_width="@dimen/contactgrid_connection_icon_margin_end"
-    />
-  <TextView
-    android:id="@id/contactgrid_status_text"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:singleLine="true"
-    android:ellipsize="marquee"
-    android:scrollHorizontally="true"
-    android:textAppearance="@style/Dialer.Incall.TextAppearance"
-    tools:text="Captain Holt"/>
+    android:gravity="center"
+    android:orientation="horizontal"
+    tools:showIn="@layout/incall_contact_grid">
+  <ImageView
+      android:id="@id/contactgrid_connection_icon"
+      android:layout_width="24dp"
+      android:layout_height="24dp"
+      android:scaleType="fitCenter"
+      android:tint="?colorIcon"
+      tools:src="@android:drawable/sym_def_app_icon"
+      tools:visibility="visible"
+      />
+  <Space
+      android:id="@id/contactgrid_top_row_space"
+      android:layout_width="@dimen/contactgrid_connection_icon_margin_end"
+      android:layout_height="match_parent"
+      />
+  <TextView
+      android:id="@id/contactgrid_status_text"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:ellipsize="marquee"
+      android:scrollHorizontally="true"
+      android:singleLine="true"
+      android:textAppearance="@style/Dialer.Incall.TextAppearance"
+      tools:text="Captain Holt"/>
 </LinearLayout>
diff --git a/java/com/android/incallui/theme/res/drawable/incall_background_gradient.xml b/java/com/android/incallui/theme/res/drawable/incall_background_gradient.xml
deleted file mode 100644
index 996f172..0000000
--- a/java/com/android/incallui/theme/res/drawable/incall_background_gradient.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2018 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
-  -->
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-  <gradient
-    android:angle="270"
-    android:startColor="@color/incall_background_gradient_top"
-    android:centerColor="@color/incall_background_gradient_middle"
-    android:endColor="@color/incall_background_gradient_bottom"/>
-</shape>
diff --git a/java/com/android/incallui/theme/res/values/colors.xml b/java/com/android/incallui/theme/res/values/colors.xml
index 059fe59..10a19ef 100644
--- a/java/com/android/incallui/theme/res/values/colors.xml
+++ b/java/com/android/incallui/theme/res/values/colors.xml
@@ -52,16 +52,4 @@
     <item>#B93221</item>
     <item>#841F10</item>
   </array>
-
-  <color name="incall_background_gradient_top">#E91141BB</color>
-  <color name="incall_background_gradient_middle">#E91141BB</color>
-  <color name="incall_background_gradient_bottom">#CC229FEB</color>
-
-  <color name="incall_background_multiwindow">#E91141BB</color>
-
-  <color name="incall_background_gradient_spam_top">#E5A30B0B</color>
-  <color name="incall_background_gradient_spam_middle">#D6C01111</color>
-  <color name="incall_background_gradient_spam_bottom">#B8E55135</color>
-
-  <color name="incall_background_multiwindow_spam">#E9C22E2E</color>
 </resources>
diff --git a/java/com/android/incallui/theme/res/values/styles.xml b/java/com/android/incallui/theme/res/values/styles.xml
index 3266c7d..ac66ffd 100644
--- a/java/com/android/incallui/theme/res/values/styles.xml
+++ b/java/com/android/incallui/theme/res/values/styles.xml
@@ -16,11 +16,7 @@
   -->
 
 <resources>
-  <!-- Theme for the InCallActivity activity. Should have a transparent background for the
-       circular reveal animation for a new outgoing call to work correctly. We don't just use
-       Theme.Black.NoTitleBar directly, since we want any popups or dialogs from the
-       InCallActivity to have the correct Material style. -->
-  <style name="Theme.InCallScreen.Light" parent="@style/Dialer.ThemeBase.NoActionBar">
+  <style name="Theme.InCallScreen" parent="@style/Dialer.ThemeBase.NoActionBar">
     <item name="android:statusBarColor">@android:color/transparent</item>
     <item name="android:navigationBarColor">@android:color/transparent</item>
     <item name="android:windowDrawsSystemBarBackgrounds">true</item>
@@ -29,25 +25,7 @@
     <item name="dialpad_style">@style/InCallDialpad</item>
     <item name="android:windowAnimationStyle">@null</item>
 
-    <item name="android:windowBackground">@drawable/incall_background_gradient</item>
-    <item name="android:windowShowWallpaper">true</item>
-  </style>
-
-  <style name="Theme.InCallScreen" parent="@style/Dialer.Dark.ThemeBase.NoActionBar">
-    <item name="android:textColorPrimary">@android:color/white</item>
-    <item name="android:textColorSecondary">#DDFFFFFF</item>
-    <item name="android:statusBarColor">@android:color/transparent</item>
-    <item name="android:navigationBarColor">@android:color/transparent</item>
-    <item name="android:windowDrawsSystemBarBackgrounds">true</item>
-    <item name="android:colorPrimaryDark">@color/dialer_theme_color_dark</item>
-    <item name="colorPrimaryDark">@color/dialer_theme_color_dark</item>
-
-    <item name="dialpad_key_button_touch_tint">?attr/colorPrimary20pct</item>
-    <item name="dialpad_style">@style/InCallDialpad</item>
-    <item name="android:windowAnimationStyle">@null</item>
-
-    <item name="android:windowBackground">@drawable/incall_background_gradient</item>
-    <item name="android:windowShowWallpaper">true</item>
+    <item name="android:windowBackground">?android:attr/colorBackground</item>
     <item name="android:windowLayoutInDisplayCutoutMode">never</item>
   </style>