diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 4bf5414..7cad3f5 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -308,14 +308,10 @@
         <attr name="visualInsetsRight" format="dimension|fraction" />
         <!-- Width of the key, in pixels or percentage of display width.
              If the value is fillRight, the actual key width will be determined to fill out the area
-             up to the right edge of the keyboard.
-             If the value is fillBoth, the actual key width will be determined to fill out the
-             area between the nearest key on the left hand side and the right edge of the keyboard.
-             -->
+             up to the right edge of the keyboard. -->
         <!-- This should be aligned with KeyboardBuilder.Row.KEYWIDTH_* -->
         <attr name="keyWidth" format="dimension|fraction|enum">
             <enum name="fillRight" value="-1" />
-            <enum name="fillBoth" value="-2" />
         </attr>
         <!-- The X-coordinate of upper right corner of this key including horizontal gap.
              If the value is negative, the origin is the right edge of the keyboard. -->
diff --git a/java/res/xml/rows_georgian.xml b/java/res/xml/rows_georgian.xml
index 9bddfc7..8c81dd0 100644
--- a/java/res/xml/rows_georgian.xml
+++ b/java/res/xml/rows_georgian.xml
@@ -47,7 +47,7 @@
             latin:keyboardLayout="@xml/rowkeys_georgian3" />
         <Key
             latin:keyStyle="deleteKeyStyle"
-            latin:keyWidth="fillBoth"
+            latin:keyWidth="fillRight"
             latin:visualInsetsLeft="1%p" />
     </Row>
     <include
diff --git a/java/res/xml/rows_qwerty.xml b/java/res/xml/rows_qwerty.xml
index 716d106..cdd4203 100644
--- a/java/res/xml/rows_qwerty.xml
+++ b/java/res/xml/rows_qwerty.xml
@@ -47,7 +47,7 @@
             latin:keyboardLayout="@xml/rowkeys_qwerty3" />
         <Key
             latin:keyStyle="deleteKeyStyle"
-            latin:keyWidth="fillBoth"
+            latin:keyWidth="fillRight"
             latin:visualInsetsLeft="1%p" />
     </Row>
     <include
diff --git a/java/res/xml/rows_spanish.xml b/java/res/xml/rows_spanish.xml
index b311297..ecda4a4 100644
--- a/java/res/xml/rows_spanish.xml
+++ b/java/res/xml/rows_spanish.xml
@@ -46,7 +46,7 @@
             latin:keyboardLayout="@xml/rowkeys_qwerty3" />
         <Key
             latin:keyStyle="deleteKeyStyle"
-            latin:keyWidth="fillBoth"
+            latin:keyWidth="fillRight"
             latin:visualInsetsLeft="1%p" />
     </Row>
     <include