diff --git a/java/res/values-ja/strings.xml b/java/res/values-ja/strings.xml
index 17e32e4..813da0a 100644
--- a/java/res/values-ja/strings.xml
+++ b/java/res/values-ja/strings.xml
@@ -144,6 +144,8 @@
     <string name="not_now" msgid="6172462888202790482">"後で行う"</string>
     <string name="custom_input_style_already_exists" msgid="8008728952215449707">"同じ入力スタイルが既に存在します: <xliff:g id="INPUT_STYLE_NAME">%s</xliff:g>"</string>
     <string name="prefs_usability_study_mode" msgid="1261130555134595254">"使いやすさの研究モード"</string>
+    <!-- no translation found for prefs_key_longpress_timeout_settings (1881822418815012326) -->
+    <skip />
     <string name="prefs_keypress_vibration_duration_settings" msgid="1829950405285211668">"キー操作バイブの振動時間の設定"</string>
     <string name="prefs_keypress_sound_volume_settings" msgid="5875933757082305040">"キー操作音の音量設定"</string>
     <string name="prefs_read_external_dictionary" msgid="2588931418575013067">"外部辞書ファイルの読み取り"</string>