diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index 3e3bedf15..7d86dbd5d 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -157,13 +157,6 @@
                 android:summary="@string/include_other_imes_in_language_switch_list_summary"
                 android:persistent="true"
                 android:defaultValue="false" />
-            <!-- Values for popup dismiss delay are added programmatically -->
-            <CheckBoxPreference
-                android:key="pref_sliding_key_input_preview"
-                android:title="@string/sliding_key_input_preview"
-                android:summary="@string/sliding_key_input_preview_summary"
-                android:persistent="true"
-                android:defaultValue="true" />
             <ListPreference
                 android:key="pref_keyboard_layout_20110916"
                 android:title="@string/keyboard_color_scheme"
@@ -179,12 +172,6 @@
             <ListPreference
                 android:key="pref_key_preview_popup_dismiss_delay"
                 android:title="@string/key_preview_popup_dismiss_delay" />
-            <com.android.inputmethod.latin.settings.SeekBarDialogPreference
-                android:key="pref_key_longpress_timeout"
-                android:title="@string/prefs_key_longpress_timeout_settings"
-                latin:minValue="@integer/config_min_longpress_timeout"
-                latin:maxValue="@integer/config_max_longpress_timeout"
-                latin:stepValue="@integer/config_longpress_timeout_step" />
             <com.android.inputmethod.latin.settings.SeekBarDialogPreference
                 android:key="pref_vibration_duration_settings"
                 android:title="@string/prefs_keypress_vibration_duration_settings"
diff --git a/java/res/xml/prefs_for_debug.xml b/java/res/xml/prefs_for_debug.xml
index bb6a64118..c333b0751 100644
--- a/java/res/xml/prefs_for_debug.xml
+++ b/java/res/xml/prefs_for_debug.xml
@@ -41,6 +41,18 @@
         android:title="@string/prefs_usability_study_mode"
         android:persistent="true"
         android:defaultValue="false" />
+    <CheckBoxPreference
+        android:key="pref_sliding_key_input_preview"
+        android:title="@string/sliding_key_input_preview"
+        android:summary="@string/sliding_key_input_preview_summary"
+        android:persistent="true"
+        android:defaultValue="true" />
+    <com.android.inputmethod.latin.settings.SeekBarDialogPreference
+        android:key="pref_key_longpress_timeout"
+        android:title="@string/prefs_key_longpress_timeout_settings"
+        latin:minValue="@integer/config_min_longpress_timeout"
+        latin:maxValue="@integer/config_max_longpress_timeout"
+        latin:stepValue="@integer/config_longpress_timeout_step" />
     <com.android.inputmethod.latin.settings.SeekBarDialogPreference
         android:key="pref_key_preview_show_up_start_scale"
         android:title="@string/prefs_key_popup_show_up_start_scale_settings"
diff --git a/java/src/com/android/inputmethod/latin/settings/DebugSettings.java b/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
index 11d369282..c4c1234fc 100644
--- a/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
+++ b/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
@@ -55,6 +55,8 @@ public final class DebugSettings extends PreferenceFragment
     private static final String PREF_DUMP_USER_DICT = "dump_user_dict";
     private static final String PREF_DUMP_USER_HISTORY_DICT = "dump_user_history_dict";
     private static final String PREF_DUMP_PERSONALIZATION_DICT = "dump_personalization_dict";
+    public static final String PREF_SLIDING_KEY_INPUT_PREVIEW = "pref_sliding_key_input_preview";
+    public static final String PREF_KEY_LONGPRESS_TIMEOUT = "pref_key_longpress_timeout";
 
     private static final boolean SHOW_STATISTICS_LOGGING = false;
 
@@ -110,6 +112,7 @@ public final class DebugSettings extends PreferenceFragment
         findPreference(PREF_DUMP_PERSONALIZATION_DICT).setOnPreferenceClickListener(
                 dictDumpPrefClickListener);
         final Resources res = getResources();
+        setupKeyLongpressTimeoutSettings(prefs, res);
         setupKeyPreviewAnimationDuration(prefs, res, PREF_KEY_PREVIEW_SHOW_UP_DURATION,
                 res.getInteger(R.integer.config_key_preview_show_up_duration));
         setupKeyPreviewAnimationDuration(prefs, res, PREF_KEY_PREVIEW_DISMISS_DURATION,
@@ -200,6 +203,44 @@ public final class DebugSettings extends PreferenceFragment
         }
     }
 
+    private void setupKeyLongpressTimeoutSettings(final SharedPreferences sp,
+            final Resources res) {
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                PREF_KEY_LONGPRESS_TIMEOUT);
+        if (pref == null) {
+            return;
+        }
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            @Override
+            public void writeValue(final int value, final String key) {
+                sp.edit().putInt(key, value).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                sp.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return Settings.readKeyLongpressTimeout(sp, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeyLongpressTimeout(res);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
+
     private void setupKeyPreviewAnimationScale(final SharedPreferences sp, final Resources res,
             final String prefKey, final float defaultValue) {
         final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(prefKey);
diff --git a/java/src/com/android/inputmethod/latin/settings/Settings.java b/java/src/com/android/inputmethod/latin/settings/Settings.java
index 353b7463d..a3aae8cb3 100644
--- a/java/src/com/android/inputmethod/latin/settings/Settings.java
+++ b/java/src/com/android/inputmethod/latin/settings/Settings.java
@@ -72,8 +72,6 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static final String PREF_BIGRAM_PREDICTIONS = "next_word_prediction";
     public static final String PREF_GESTURE_SETTINGS = "gesture_typing_settings";
     public static final String PREF_GESTURE_INPUT = "gesture_input";
-    public static final String PREF_SLIDING_KEY_INPUT_PREVIEW = "pref_sliding_key_input_preview";
-    public static final String PREF_KEY_LONGPRESS_TIMEOUT = "pref_key_longpress_timeout";
     public static final String PREF_VIBRATION_DURATION_SETTINGS =
             "pref_vibration_duration_settings";
     public static final String PREF_KEYPRESS_SOUND_VOLUME =
@@ -196,7 +194,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     // Accessed from the settings interface, hence public
     public static boolean readKeypressSoundEnabled(final SharedPreferences prefs,
             final Resources res) {
-        return prefs.getBoolean(Settings.PREF_SOUND_ON,
+        return prefs.getBoolean(PREF_SOUND_ON,
                 res.getBoolean(R.bool.config_default_sound_enabled));
     }
 
@@ -216,7 +214,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
 
     public static boolean readBlockPotentiallyOffensive(final SharedPreferences prefs,
             final Resources res) {
-        return prefs.getBoolean(Settings.PREF_BLOCK_POTENTIALLY_OFFENSIVE,
+        return prefs.getBoolean(PREF_BLOCK_POTENTIALLY_OFFENSIVE,
                 res.getBoolean(R.bool.config_block_potentially_offensive));
     }
 
@@ -227,12 +225,12 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static boolean readGestureInputEnabled(final SharedPreferences prefs,
             final Resources res) {
         return readFromBuildConfigIfGestureInputEnabled(res)
-                && prefs.getBoolean(Settings.PREF_GESTURE_INPUT, true);
+                && prefs.getBoolean(PREF_GESTURE_INPUT, true);
     }
 
     public static boolean readPhraseGestureEnabled(final SharedPreferences prefs,
             final Resources res) {
-        return prefs.getBoolean(Settings.PREF_PHRASE_GESTURE_ENABLED,
+        return prefs.getBoolean(PREF_PHRASE_GESTURE_ENABLED,
                 res.getBoolean(R.bool.config_default_phrase_gesture_enabled));
     }
 
@@ -278,7 +276,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
 
     public static void writePrefAdditionalSubtypes(final SharedPreferences prefs,
             final String prefSubtypes) {
-        prefs.edit().putString(Settings.PREF_CUSTOM_INPUT_STYLES, prefSubtypes).apply();
+        prefs.edit().putString(PREF_CUSTOM_INPUT_STYLES, prefSubtypes).apply();
     }
 
     public static float readKeypressSoundVolume(final SharedPreferences prefs,
@@ -301,7 +299,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static int readKeyLongpressTimeout(final SharedPreferences prefs,
             final Resources res) {
         final int milliseconds = prefs.getInt(
-                PREF_KEY_LONGPRESS_TIMEOUT, UNDEFINED_PREFERENCE_VALUE_INT);
+                DebugSettings.PREF_KEY_LONGPRESS_TIMEOUT, UNDEFINED_PREFERENCE_VALUE_INT);
         return (milliseconds != UNDEFINED_PREFERENCE_VALUE_INT) ? milliseconds
                 : readDefaultKeyLongpressTimeout(res);
     }
@@ -354,18 +352,18 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
         if (!enableSetupWizardByConfig) {
             return false;
         }
-        if (!prefs.contains(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) {
+        if (!prefs.contains(PREF_SHOW_SETUP_WIZARD_ICON)) {
             final ApplicationInfo appInfo = context.getApplicationInfo();
             final boolean isApplicationInSystemImage =
                     (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
             // Default value
             return !isApplicationInSystemImage;
         }
-        return prefs.getBoolean(Settings.PREF_SHOW_SETUP_WIZARD_ICON, false);
+        return prefs.getBoolean(PREF_SHOW_SETUP_WIZARD_ICON, false);
     }
 
     public static boolean isInternal(final SharedPreferences prefs) {
-        return prefs.getBoolean(Settings.PREF_KEY_IS_INTERNAL, false);
+        return prefs.getBoolean(PREF_KEY_IS_INTERNAL, false);
     }
 
     public void writeLastUsedPersonalizationToken(byte[] token) {
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java b/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java
index bb5547fc9..22cbd204c 100644
--- a/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java
@@ -228,7 +228,6 @@ public final class SettingsFragment extends InputMethodSettingsFragment
 
         AdditionalFeaturesSettingUtils.addAdditionalFeaturesPreferences(context, this);
 
-        setupKeyLongpressTimeoutSettings(prefs, res);
         setupKeypressVibrationDurationSettings(prefs, res);
         setupKeypressSoundVolumeSettings(prefs, res);
         refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res);
@@ -368,44 +367,6 @@ public final class SettingsFragment extends InputMethodSettingsFragment
         });
     }
 
-    private void setupKeyLongpressTimeoutSettings(final SharedPreferences sp,
-            final Resources res) {
-        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
-                Settings.PREF_KEY_LONGPRESS_TIMEOUT);
-        if (pref == null) {
-            return;
-        }
-        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
-            @Override
-            public void writeValue(final int value, final String key) {
-                sp.edit().putInt(key, value).apply();
-            }
-
-            @Override
-            public void writeDefaultValue(final String key) {
-                sp.edit().remove(key).apply();
-            }
-
-            @Override
-            public int readValue(final String key) {
-                return Settings.readKeyLongpressTimeout(sp, res);
-            }
-
-            @Override
-            public int readDefaultValue(final String key) {
-                return Settings.readDefaultKeyLongpressTimeout(res);
-            }
-
-            @Override
-            public String getValueText(final int value) {
-                return res.getString(R.string.abbreviation_unit_milliseconds, value);
-            }
-
-            @Override
-            public void feedbackValue(final int value) {}
-        });
-    }
-
     private void setupKeypressSoundVolumeSettings(final SharedPreferences sp, final Resources res) {
         final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
                 Settings.PREF_KEYPRESS_SOUND_VOLUME);
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsValues.java b/java/src/com/android/inputmethod/latin/settings/SettingsValues.java
index d47a61ed1..dde50ccaf 100644
--- a/java/src/com/android/inputmethod/latin/settings/SettingsValues.java
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsValues.java
@@ -119,7 +119,7 @@ public final class SettingsValues {
         mSoundOn = Settings.readKeypressSoundEnabled(prefs, res);
         mKeyPreviewPopupOn = Settings.readKeyPreviewPopupEnabled(prefs, res);
         mSlidingKeyInputPreviewEnabled = prefs.getBoolean(
-                Settings.PREF_SLIDING_KEY_INPUT_PREVIEW, true);
+                DebugSettings.PREF_SLIDING_KEY_INPUT_PREVIEW, true);
         mShowsVoiceInputKey = needsToShowVoiceInputKey(prefs, res);
         final String autoCorrectionThresholdRawValue = prefs.getString(
                 Settings.PREF_AUTO_CORRECTION_THRESHOLD,