diff --git a/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/SettingsActivity.java b/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/SettingsActivity.java
index 6d8d9a1..19d45ed 100644
--- a/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/SettingsActivity.java
+++ b/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/SettingsActivity.java
@@ -156,9 +156,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
      */
     protected boolean isValidFragment(String fragmentName) {
         return PreferenceFragment.class.getName().equals(fragmentName)
-                || GeneralPreferenceFragment.class.getName().equals(fragmentName)
-                || DataSyncPreferenceFragment.class.getName().equals(fragmentName)
-                || NotificationPreferenceFragment.class.getName().equals(fragmentName);
+                || GeneralPreferenceFragment.class.getName().equals(fragmentName);
     }
 
     /**
@@ -172,73 +170,6 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             super.onCreate(savedInstanceState);
             addPreferencesFromResource(R.xml.pref_general);
             setHasOptionsMenu(true);
-
-            // Bind the summaries of EditText/List/Dialog/Ringtone preferences
-            // to their values. When their values change, their summaries are
-            // updated to reflect the new value, per the Android Design
-            // guidelines.
-            bindPreferenceSummaryToValue(findPreference("example_text"));
-            bindPreferenceSummaryToValue(findPreference("example_list"));
-        }
-
-        @Override
-        public boolean onOptionsItemSelected(MenuItem item) {
-            int id = item.getItemId();
-            if (id == android.R.id.home) {
-                startActivity(new Intent(getActivity(), SettingsActivity.class));
-                return true;
-            }
-            return super.onOptionsItemSelected(item);
-        }
-    }
-
-    /**
-     * This fragment shows notification preferences only. It is used when the
-     * activity is showing a two-pane settings UI.
-     */
-    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
-    public static class NotificationPreferenceFragment extends PreferenceFragment {
-        @Override
-        public void onCreate(Bundle savedInstanceState) {
-            super.onCreate(savedInstanceState);
-            addPreferencesFromResource(R.xml.pref_notification);
-            setHasOptionsMenu(true);
-
-            // Bind the summaries of EditText/List/Dialog/Ringtone preferences
-            // to their values. When their values change, their summaries are
-            // updated to reflect the new value, per the Android Design
-            // guidelines.
-            bindPreferenceSummaryToValue(findPreference("notifications_new_message_ringtone"));
-        }
-
-        @Override
-        public boolean onOptionsItemSelected(MenuItem item) {
-            int id = item.getItemId();
-            if (id == android.R.id.home) {
-                startActivity(new Intent(getActivity(), SettingsActivity.class));
-                return true;
-            }
-            return super.onOptionsItemSelected(item);
-        }
-    }
-
-    /**
-     * This fragment shows data and sync preferences only. It is used when the
-     * activity is showing a two-pane settings UI.
-     */
-    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
-    public static class DataSyncPreferenceFragment extends PreferenceFragment {
-        @Override
-        public void onCreate(Bundle savedInstanceState) {
-            super.onCreate(savedInstanceState);
-            addPreferencesFromResource(R.xml.pref_data_sync);
-            setHasOptionsMenu(true);
-
-            // Bind the summaries of EditText/List/Dialog/Ringtone preferences
-            // to their values. When their values change, their summaries are
-            // updated to reflect the new value, per the Android Design
-            // guidelines.
-            bindPreferenceSummaryToValue(findPreference("sync_frequency"));
         }
 
         @Override
diff --git a/app/src/main/res/xml/pref_data_sync.xml b/app/src/main/res/xml/pref_data_sync.xml
deleted file mode 100644
index 6bd9192..0000000
--- a/app/src/main/res/xml/pref_data_sync.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <!-- NOTE: Hide buttons to simplify the UI. Users can touch outside the dialog to
-         dismiss it. -->
-    <!-- NOTE: ListPreference's summary should be set to its value by the activity code. -->
-    <ListPreference
-        android:defaultValue="180"
-        android:entries="@array/pref_sync_frequency_titles"
-        android:entryValues="@array/pref_sync_frequency_values"
-        android:key="sync_frequency"
-        android:negativeButtonText="@null"
-        android:positiveButtonText="@null"
-        android:title="@string/pref_title_sync_frequency" />
-
-    <!-- This preference simply launches an intent when selected. Use this UI sparingly, per
-         design guidelines. -->
-    <Preference android:title="@string/pref_title_system_sync_settings">
-        <intent android:action="android.settings.SYNC_SETTINGS" />
-    </Preference>
-
-</PreferenceScreen>
diff --git a/app/src/main/res/xml/pref_general.xml b/app/src/main/res/xml/pref_general.xml
index 6a6e981..513c8f2 100644
--- a/app/src/main/res/xml/pref_general.xml
+++ b/app/src/main/res/xml/pref_general.xml
@@ -1,34 +1,5 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <SwitchPreference
-        android:defaultValue="true"
-        android:key="example_switch"
-        android:summary="@string/pref_description_social_recommendations"
-        android:title="@string/pref_title_social_recommendations" />
-
-    <!-- NOTE: EditTextPreference accepts EditText attributes. -->
-    <!-- NOTE: EditTextPreference's summary should be set to its value by the activity code. -->
-    <EditTextPreference
-        android:capitalize="words"
-        android:defaultValue="@string/pref_default_display_name"
-        android:inputType="textCapWords"
-        android:key="example_text"
-        android:maxLines="1"
-        android:selectAllOnFocus="true"
-        android:singleLine="true"
-        android:title="@string/pref_title_display_name" />
-
-    <!-- NOTE: Hide buttons to simplify the UI. Users can touch outside the dialog to
-         dismiss it. -->
-    <!-- NOTE: ListPreference's summary should be set to its value by the activity code. -->
-    <ListPreference
-        android:defaultValue="-1"
-        android:entries="@array/pref_example_list_titles"
-        android:entryValues="@array/pref_example_list_values"
-        android:key="example_list"
-        android:negativeButtonText="@null"
-        android:positiveButtonText="@null"
-        android:title="@string/pref_title_add_friends_to_messages" />
     <EditTextPreference
         android:defaultValue="@string/pref_default_hostname"
         android:key="hostname"
diff --git a/app/src/main/res/xml/pref_headers.xml b/app/src/main/res/xml/pref_headers.xml
index 0039062..10f0c53 100644
--- a/app/src/main/res/xml/pref_headers.xml
+++ b/app/src/main/res/xml/pref_headers.xml
@@ -7,15 +7,5 @@
         android:icon="@drawable/ic_info_black_24dp"
         android:title="@string/pref_header_general" />
 
-    <header
-        android:fragment="fr.utbm.lo53.p2017.positionningapp.SettingsActivity$NotificationPreferenceFragment"
-        android:icon="@drawable/ic_notifications_black_24dp"
-        android:title="@string/pref_header_notifications" />
-
-    <header
-        android:fragment="fr.utbm.lo53.p2017.positionningapp.SettingsActivity$DataSyncPreferenceFragment"
-        android:icon="@drawable/ic_sync_black_24dp"
-        android:title="@string/pref_header_data_sync" />
-
 </preference-headers>
 
diff --git a/app/src/main/res/xml/pref_notification.xml b/app/src/main/res/xml/pref_notification.xml
deleted file mode 100644
index e5a319e..0000000
--- a/app/src/main/res/xml/pref_notification.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <!-- A 'parent' preference, which enables/disables child preferences (below)
-         when checked/unchecked. -->
-    <SwitchPreference
-        android:defaultValue="true"
-        android:key="notifications_new_message"
-        android:title="@string/pref_title_new_message_notifications" />
-
-    <!-- Allows the user to choose a ringtone in the 'notification' category. -->
-    <!-- NOTE: This preference will be enabled only when the checkbox above is checked. -->
-    <!-- NOTE: RingtonePreference's summary should be set to its value by the activity code. -->
-    <RingtonePreference
-        android:defaultValue="content://settings/system/notification_sound"
-        android:dependency="notifications_new_message"
-        android:key="notifications_new_message_ringtone"
-        android:ringtoneType="notification"
-        android:title="@string/pref_title_ringtone" />
-
-    <!-- NOTE: This preference will be enabled only when the checkbox above is checked. -->
-    <SwitchPreference
-        android:defaultValue="true"
-        android:dependency="notifications_new_message"
-        android:key="notifications_new_message_vibrate"
-        android:title="@string/pref_title_vibrate" />
-
-</PreferenceScreen>
--
libgit2 0.21.4