diff --git a/java/res/xml/key_styles_common.xml b/java/res/xml/key_styles_common.xml
index 819cdc6..622da21 100644
--- a/java/res/xml/key_styles_common.xml
+++ b/java/res/xml/key_styles_common.xml
@@ -105,8 +105,7 @@
     <key-style
         latin:styleName="spaceKeyStyle"
         latin:code="!code/key_space"
-        latin:keyActionFlags="noKeyPreview|enableLongPress"
-        latin:backgroundType="functional" />
+        latin:keyActionFlags="noKeyPreview|enableLongPress" />
     <!-- U+200C: ZERO WIDTH NON-JOINER
          U+200D: ZERO WIDTH JOINER -->
     <key-style
@@ -115,8 +114,7 @@
         latin:keyIcon="!icon/zwnj_key"
         latin:moreKeys="!icon/zwj_key|&#x200D;"
         latin:keyLabelFlags="hasPopupHint"
-        latin:keyActionFlags="noKeyPreview"
-        latin:backgroundType="functional" />
+        latin:keyActionFlags="noKeyPreview" />
     <key-style
         latin:styleName="shortcutKeyStyle"
         latin:code="!code/key_shortcut"
@@ -137,8 +135,7 @@
         latin:code="!code/key_language_switch"
         latin:keyIcon="!icon/language_switch_key"
         latin:keyActionFlags="noKeyPreview|altCodeWhileTyping|enableLongPress"
-        latin:altCode="!code/key_space"
-        latin:backgroundType="functional" />
+        latin:altCode="!code/key_space" />
     <key-style
         latin:styleName="tabKeyStyle"
         latin:code="!code/key_tab"
diff --git a/java/res/xml/row_qwerty4.xml b/java/res/xml/row_qwerty4.xml
index ecb95e7..43385d2 100644
--- a/java/res/xml/row_qwerty4.xml
+++ b/java/res/xml/row_qwerty4.xml
@@ -38,15 +38,14 @@
             >
                 <!-- U+064B: "ً" ARABIC FATHATAN -->
                 <Key
-                    latin:keyLabel="."
                     latin:keyHintLabel="&#x064B;"
                     latin:keyLabelFlags="hasPopupHint|hasShiftedLetterHint"
                     latin:moreKeys="!text/more_keys_for_arabic_diacritics"
-                    latin:backgroundType="functional" />
+                    latin:keyStyle="punctuationKeyStyle" />
             </case>
             <default>
                 <Key
-                latin:keyStyle="punctuationKeyStyle" />
+                    latin:keyStyle="punctuationKeyStyle" />
             </default>
         </switch>
         <Key