diff --git a/java/res/drawable-hdpi/emoji_category_tab_selected_lxx_dark.9.png b/java/res/drawable-hdpi/emoji_category_tab_selected_lxx_dark.9.png
deleted file mode 100644
index ca981f4..0000000
--- a/java/res/drawable-hdpi/emoji_category_tab_selected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-hdpi/emoji_category_tab_unselected_lxx_dark.9.png b/java/res/drawable-hdpi/emoji_category_tab_unselected_lxx_dark.9.png
deleted file mode 100644
index 10b1dd2..0000000
--- a/java/res/drawable-hdpi/emoji_category_tab_unselected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-mdpi/emoji_category_tab_selected_lxx_dark.9.png b/java/res/drawable-mdpi/emoji_category_tab_selected_lxx_dark.9.png
deleted file mode 100644
index a08735c..0000000
--- a/java/res/drawable-mdpi/emoji_category_tab_selected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-mdpi/emoji_category_tab_unselected_lxx_dark.9.png b/java/res/drawable-mdpi/emoji_category_tab_unselected_lxx_dark.9.png
deleted file mode 100644
index 4cf8f5c..0000000
--- a/java/res/drawable-mdpi/emoji_category_tab_unselected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-xhdpi/emoji_category_tab_selected_lxx_dark.9.png b/java/res/drawable-xhdpi/emoji_category_tab_selected_lxx_dark.9.png
deleted file mode 100644
index 65a54b8..0000000
--- a/java/res/drawable-xhdpi/emoji_category_tab_selected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-xhdpi/emoji_category_tab_unselected_lxx_dark.9.png b/java/res/drawable-xhdpi/emoji_category_tab_unselected_lxx_dark.9.png
deleted file mode 100644
index 666b354..0000000
--- a/java/res/drawable-xhdpi/emoji_category_tab_unselected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-xxhdpi/emoji_category_tab_selected_lxx_dark.9.png b/java/res/drawable-xxhdpi/emoji_category_tab_selected_lxx_dark.9.png
deleted file mode 100644
index 084554f..0000000
--- a/java/res/drawable-xxhdpi/emoji_category_tab_selected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/drawable-xxhdpi/emoji_category_tab_unselected_lxx_dark.9.png b/java/res/drawable-xxhdpi/emoji_category_tab_unselected_lxx_dark.9.png
deleted file mode 100644
index 62547a9..0000000
--- a/java/res/drawable-xxhdpi/emoji_category_tab_unselected_lxx_dark.9.png
+++ /dev/null
Binary files differ
diff --git a/java/res/layout/emoji_palettes_view.xml b/java/res/layout/emoji_palettes_view.xml
index e2933f9..68fd372 100644
--- a/java/res/layout/emoji_palettes_view.xml
+++ b/java/res/layout/emoji_palettes_view.xml
@@ -41,9 +41,7 @@
                 android:id="@android:id/tabs"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                android:divider="@null"
-                android:tabStripEnabled="true"
-                style="?attr/emojiTabWidgetStyle" />
+                android:divider="@null" />
             <FrameLayout
                 android:id="@android:id/tabcontent"
                 android:layout_width="0dip"
@@ -77,8 +75,7 @@
     <com.android.inputmethod.keyboard.emoji.EmojiCategoryPageIndicatorView
         android:id="@+id/emoji_category_page_id_view"
         android:layout_width="match_parent"
-        android:layout_height="2dip"
-        style="?attr/emojiCategoryPageIndicatorViewStyle" />
+        android:layout_height="2dip" />
     <LinearLayout
         android:id="@+id/emoji_action_bar"
         android:orientation="horizontal"
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 307ef13..775a90c 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -30,10 +30,6 @@
         <attr name="keyPreviewTextViewStyle" format="reference"/>
         <!-- EmojiPalettesView style -->
         <attr name="emojiPalettesViewStyle" format="reference" />
-        <!-- TabWidget of EmojiPlettesView style -->
-        <attr name="emojiTabWidgetStyle" format="reference" />
-        <!-- EmojiCategoryPageIndicatorView style -->
-        <attr name="emojiCategoryPageIndicatorViewStyle" format="reference" />
         <!-- MoreKeysKeyboard style -->
         <attr name="moreKeysKeyboardStyle" format="reference" />
         <!-- MoreKeysKeyboardView style -->
@@ -176,6 +172,11 @@
     </declare-styleable>
 
     <declare-styleable name="EmojiPalettesView">
+        <attr name="categoryIndicatorEnabled" format="boolean" />
+        <attr name="categoryIndicatorDrawable" format="reference" />
+        <attr name="categoryIndicatorBackground" format="reference" />
+        <attr name="categoryPageIndicatorColor" format="color" />
+        <attr name="categoryPageIndicatorBackground" format="color" />
         <attr name="iconEmojiRecentsTab" format="reference" />
         <attr name="iconEmojiCategory1Tab" format="reference" />
         <attr name="iconEmojiCategory2Tab" format="reference" />
@@ -185,10 +186,6 @@
         <attr name="iconEmojiCategory6Tab" format="reference" />
     </declare-styleable>
 
-    <declare-styleable name="EmojiCategoryPageIndicatorView">
-        <attr name="emojiCategoryPageIndicatorColor" format="color" />
-    </declare-styleable>
-
     <declare-styleable name="SuggestionStripView">
         <attr name="suggestionStripOptions" format="integer">
             <!-- This should be aligned with SuggestionStripLayoutHelper.AUTO_CORRECT_* and etc. -->
diff --git a/java/res/values/themes-common.xml b/java/res/values/themes-common.xml
index c5d3f55..df26fb3 100644
--- a/java/res/values/themes-common.xml
+++ b/java/res/values/themes-common.xml
@@ -110,8 +110,6 @@
     <!-- Though {@link EmojiPalettesView} doesn't extend {@link KeyboardView}, some views inside it,
          for instance delete button, need themed {@link KeyboardView} attributes. -->
     <style name="EmojiPalettesView" />
-    <style name="EmojiTabWidget" />
-    <style name="EmojiCategoryPageIndicatorView" />
     <style name="MoreKeysKeyboard" />
     <style
         name="MoreKeysKeyboardView"
diff --git a/java/res/values/themes-ics.xml b/java/res/values/themes-ics.xml
index f7ca5a3..319b4ae 100644
--- a/java/res/values/themes-ics.xml
+++ b/java/res/values/themes-ics.xml
@@ -25,8 +25,6 @@
         <item name="mainKeyboardViewStyle">@style/MainKeyboardView.ICS</item>
         <item name="keyPreviewTextViewStyle">@style/KeyPreviewTextView.ICS</item>
         <item name="emojiPalettesViewStyle">@style/EmojiPalettesView.ICS</item>
-        <item name="emojiTabWidgetStyle">@style/EmojiTabWidget.ICS</item>
-        <item name="emojiCategoryPageIndicatorViewStyle">@style/EmojiCategoryPageIndicatorView.ICS</item>
         <item name="moreKeysKeyboardStyle">@style/MoreKeysKeyboard.ICS</item>
         <item name="moreKeysKeyboardViewStyle">@style/MoreKeysKeyboardView.ICS</item>
         <item name="suggestionStripViewStyle">@style/SuggestionStripView.ICS</item>
@@ -89,6 +87,11 @@
         name="EmojiPalettesView.ICS"
         parent="MainKeyboardView.ICS"
     >
+        <item name="categoryIndicatorEnabled">true</item>
+        <item name="categoryIndicatorDrawable">@drawable/emoji_category_tab_selected_ics</item>
+        <item name="categoryIndicatorBackground">@drawable/emoji_category_tab_unselected_holo_dark</item>
+        <item name="categoryPageIndicatorColor">@color/highlight_color_ics</item>
+        <item name="categoryPageIndicatorBackground">@color/emoji_tab_page_indicator_background_holo</item>
         <item name="iconEmojiRecentsTab">@drawable/ic_emoji_recents_holo_dark</item>
         <item name="iconEmojiCategory1Tab">@drawable/ic_emoji_people_holo_dark</item>
         <item name="iconEmojiCategory2Tab">@drawable/ic_emoji_objects_holo_dark</item>
@@ -97,15 +100,6 @@
         <item name="iconEmojiCategory5Tab">@drawable/ic_emoji_symbols_holo_dark</item>
         <item name="iconEmojiCategory6Tab">@drawable/ic_emoji_emoticons_holo_dark</item>
     </style>
-    <style name="EmojiCategoryPageIndicatorView.ICS">
-        <item name="android:background">@color/emoji_tab_page_indicator_background_holo</item>
-        <item name="emojiCategoryPageIndicatorColor">@color/highlight_color_ics</item>
-    </style>
-    <style name="EmojiTabWidget.ICS">
-        <item name="android:background">@drawable/emoji_category_tab_selected_ics</item>
-        <item name="android:tabStripLeft">@drawable/emoji_category_tab_unselected_holo_dark</item>
-        <item name="android:tabStripRight">@drawable/emoji_category_tab_unselected_holo_dark</item>
-    </style>
     <style
         name="MoreKeysKeyboard.ICS"
         parent="Keyboard.ICS"
diff --git a/java/res/values/themes-klp.xml b/java/res/values/themes-klp.xml
index 96d0478..208723d 100644
--- a/java/res/values/themes-klp.xml
+++ b/java/res/values/themes-klp.xml
@@ -25,8 +25,6 @@
         <item name="mainKeyboardViewStyle">@style/MainKeyboardView.KLP</item>
         <item name="keyPreviewTextViewStyle">@style/KeyPreviewTextView.KLP</item>
         <item name="emojiPalettesViewStyle">@style/EmojiPalettesView.KLP</item>
-        <item name="emojiTabWidgetStyle">@style/EmojiTabWidget.KLP</item>
-        <item name="emojiCategoryPageIndicatorViewStyle">@style/EmojiCategoryPageIndicatorView.KLP</item>
         <item name="moreKeysKeyboardStyle">@style/MoreKeysKeyboard.KLP</item>
         <item name="moreKeysKeyboardViewStyle">@style/MoreKeysKeyboardView.KLP</item>
         <item name="suggestionStripViewStyle">@style/SuggestionStripView.KLP</item>
@@ -89,6 +87,11 @@
         name="EmojiPalettesView.KLP"
         parent="MainKeyboardView.KLP"
     >
+        <item name="categoryIndicatorEnabled">true</item>
+        <item name="categoryIndicatorDrawable">@drawable/emoji_category_tab_selected_klp</item>
+        <item name="categoryIndicatorBackground">@drawable/emoji_category_tab_unselected_holo_dark</item>
+        <item name="categoryPageIndicatorColor">@color/highlight_color_klp</item>
+        <item name="categoryPageIndicatorBackground">@color/emoji_tab_page_indicator_background_holo</item>
         <item name="iconEmojiRecentsTab">@drawable/ic_emoji_recents_holo_dark</item>
         <item name="iconEmojiCategory1Tab">@drawable/ic_emoji_people_holo_dark</item>
         <item name="iconEmojiCategory2Tab">@drawable/ic_emoji_objects_holo_dark</item>
@@ -97,15 +100,6 @@
         <item name="iconEmojiCategory5Tab">@drawable/ic_emoji_symbols_holo_dark</item>
         <item name="iconEmojiCategory6Tab">@drawable/ic_emoji_emoticons_holo_dark</item>
     </style>
-    <style name="EmojiCategoryPageIndicatorView.KLP">
-        <item name="android:background">@color/emoji_tab_page_indicator_background_holo</item>
-        <item name="emojiCategoryPageIndicatorColor">@color/highlight_color_klp</item>
-    </style>
-    <style name="EmojiTabWidget.KLP">
-        <item name="android:background">@drawable/emoji_category_tab_selected_klp</item>
-        <item name="android:tabStripLeft">@drawable/emoji_category_tab_unselected_holo_dark</item>
-        <item name="android:tabStripRight">@drawable/emoji_category_tab_unselected_holo_dark</item>
-    </style>
     <style
         name="MoreKeysKeyboard.KLP"
         parent="Keyboard.KLP"
diff --git a/java/res/values/themes-lxx-dark.xml b/java/res/values/themes-lxx-dark.xml
index 98c045d..e9a295c 100644
--- a/java/res/values/themes-lxx-dark.xml
+++ b/java/res/values/themes-lxx-dark.xml
@@ -25,8 +25,6 @@
         <item name="mainKeyboardViewStyle">@style/MainKeyboardView.LXX_Dark</item>
         <item name="keyPreviewTextViewStyle">@style/KeyPreviewTextView.LXX_Dark</item>
         <item name="emojiPalettesViewStyle">@style/EmojiPalettesView.LXX_Dark</item>
-        <item name="emojiTabWidgetStyle">@style/EmojiTabWidget.LXX_Dark</item>
-        <item name="emojiCategoryPageIndicatorViewStyle">@style/EmojiCategoryPageIndicatorView.LXX_Dark</item>
         <item name="moreKeysKeyboardStyle">@style/MoreKeysKeyboard.LXX_Dark</item>
         <item name="moreKeysKeyboardViewStyle">@style/MoreKeysKeyboardView.LXX_Dark</item>
         <item name="suggestionStripViewStyle">@style/SuggestionStripView.LXX_Dark</item>
@@ -90,6 +88,9 @@
         name="EmojiPalettesView.LXX_Dark"
         parent="MainKeyboardView.LXX_Dark"
     >
+        <item name="categoryIndicatorEnabled">false</item>
+        <item name="categoryPageIndicatorColor">@color/highlight_color_lxx_dark</item>
+        <item name="categoryPageIndicatorBackground">@color/emoji_tab_page_indicator_background_lxx_dark</item>
         <!-- TODO: Update those icons to LXX_Dark theme. -->
         <item name="iconEmojiRecentsTab">@drawable/ic_emoji_recents_holo_dark</item>
         <item name="iconEmojiCategory1Tab">@drawable/ic_emoji_people_holo_dark</item>
@@ -99,15 +100,6 @@
         <item name="iconEmojiCategory5Tab">@drawable/ic_emoji_symbols_holo_dark</item>
         <item name="iconEmojiCategory6Tab">@drawable/ic_emoji_emoticons_holo_dark</item>
     </style>
-    <style name="EmojiCategoryPageIndicatorView.LXX_Dark">
-        <item name="android:background">@color/emoji_tab_page_indicator_background_lxx_dark</item>
-        <item name="emojiCategoryPageIndicatorColor">@color/highlight_color_lxx_dark</item>
-    </style>
-    <style name="EmojiTabWidget.LXX_Dark">
-        <item name="android:background">@drawable/emoji_category_tab_selected_lxx_dark</item>
-        <item name="android:tabStripLeft">@drawable/emoji_category_tab_unselected_lxx_dark</item>
-        <item name="android:tabStripRight">@drawable/emoji_category_tab_unselected_lxx_dark</item>
-    </style>
     <style
         name="MoreKeysKeyboard.LXX_Dark"
         parent="Keyboard.LXX_Dark"