diff --git a/src/org/linphone/AccountPreferencesFragment.java b/src/org/linphone/AccountPreferencesFragment.java
index 5c08f1449..a7e982cb1 100644
--- a/src/org/linphone/AccountPreferencesFragment.java
+++ b/src/org/linphone/AccountPreferencesFragment.java
@@ -35,7 +35,6 @@ import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceScreen;
-import android.text.InputType;
 import android.view.WindowManager;
 
 /**
diff --git a/src/org/linphone/ChatListFragment.java b/src/org/linphone/ChatListFragment.java
index 64abbcea1..d5d9fba20 100644
--- a/src/org/linphone/ChatListFragment.java
+++ b/src/org/linphone/ChatListFragment.java
@@ -19,7 +19,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 import java.util.List;
 
-import org.linphone.HistoryListFragment.CallHistoryAdapter;
 import org.linphone.core.LinphoneAddress;
 import org.linphone.core.LinphoneChatMessage;
 import org.linphone.core.LinphoneChatRoom;
diff --git a/src/org/linphone/ContactsManager.java b/src/org/linphone/ContactsManager.java
index e21c0de78..000e9cf3b 100644
--- a/src/org/linphone/ContactsManager.java
+++ b/src/org/linphone/ContactsManager.java
@@ -19,7 +19,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 package org.linphone;
 
-import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
diff --git a/src/org/linphone/LinphoneActivity.java b/src/org/linphone/LinphoneActivity.java
index f51a62717..553b275cd 100644
--- a/src/org/linphone/LinphoneActivity.java
+++ b/src/org/linphone/LinphoneActivity.java
@@ -1143,6 +1143,7 @@ public class LinphoneActivity extends Activity implements OnClickListener, Conta
 		super.onPause();
 	}
 
+	@SuppressWarnings("deprecation")
 	public static boolean isApplicationBroughtToBackground(final Activity activity) {
 		ActivityManager activityManager = (ActivityManager) activity.getSystemService(Context.ACTIVITY_SERVICE);
 		List<ActivityManager.RunningTaskInfo> tasks = activityManager.getRunningTasks(1);