diff --git a/app/src/main/java/org/linphone/LinphoneManager.java b/app/src/main/java/org/linphone/LinphoneManager.java
index 1096ca4d4..288ccd21e 100644
--- a/app/src/main/java/org/linphone/LinphoneManager.java
+++ b/app/src/main/java/org/linphone/LinphoneManager.java
@@ -686,9 +686,8 @@ public class LinphoneManager implements CoreListener, SensorEventListener, Accou
     }
 
     public void restartCore() {
-        destroyCore();
-        startLibLinphone(mServiceContext, false);
-        sExited = false;
+        mCore.stop();
+        mCore.start();
     }
 
     private synchronized void startLibLinphone(Context c, boolean isPush) {
@@ -877,7 +876,7 @@ public class LinphoneManager implements CoreListener, SensorEventListener, Accou
                 mCore.setNetworkReachable(false);
             }
         }
-        mCore = null;
+        mCore.stop();
     }
 
     public void enableProximitySensing(boolean enable) {
diff --git a/app/src/main/java/org/linphone/LinphoneService.java b/app/src/main/java/org/linphone/LinphoneService.java
index 89ea219d7..7d788ce0a 100644
--- a/app/src/main/java/org/linphone/LinphoneService.java
+++ b/app/src/main/java/org/linphone/LinphoneService.java
@@ -425,13 +425,6 @@ public final class LinphoneService extends Service {
 
         sInstance = null;
         LinphoneManager.destroy();
-        // The following are required if we want for the Core's finalize() method to be called
-        // before the super.onDestroy() call.
-        // We have to so there are no more ref on the native LinphoneCore object and thus call
-        // it's uninit() method which will free the AndroidPlatformHelper resources...
-        // Problem is both the below methods do not guaranty the finalize will be called in time...
-        // System.gc();
-        // System.runFinalization();
 
         // Make sure our notification is gone.
         mNotificationManager.destroy();