diff --git a/java/res/xml/prefs_for_debug.xml b/java/res/xml/prefs_for_debug.xml
index 8d9508e..124c443 100644
--- a/java/res/xml/prefs_for_debug.xml
+++ b/java/res/xml/prefs_for_debug.xml
@@ -58,6 +58,12 @@
         android:persistent="true"
         android:title="@string/prefs_use_only_personalization_dictionary" />
 
+    <CheckBoxPreference
+        android:defaultValue="false"
+        android:key="boost_personalization_dictionary_for_debug"
+        android:persistent="true"
+        android:title="@string/prefs_boost_personalization_dictionary" />
+
     <PreferenceScreen
         android:key="read_external_dictionary"
         android:title="@string/prefs_read_external_dictionary" />
diff --git a/java/src/com/android/inputmethod/latin/settings/DebugSettings.java b/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
index da1fb73..d060485 100644
--- a/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
+++ b/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
@@ -112,8 +112,7 @@
                 updateDebugMode();
                 mServiceNeedsRestart = true;
             }
-        } else if (key.equals(PREF_FORCE_NON_DISTINCT_MULTITOUCH)
-                || key.equals(PREF_USE_ONLY_PERSONALIZATION_DICTIONARY_FOR_DEBUG)) {
+        } else if (key.equals(PREF_FORCE_NON_DISTINCT_MULTITOUCH)) {
             mServiceNeedsRestart = true;
         }
     }