diff --git a/app/src/main/java/fr/chteufleur/mytrackingdog/MainActivity.java b/app/src/main/java/fr/chteufleur/mytrackingdog/MainActivity.java
index 0298fdc..e8ea1b0 100644
--- a/app/src/main/java/fr/chteufleur/mytrackingdog/MainActivity.java
+++ b/app/src/main/java/fr/chteufleur/mytrackingdog/MainActivity.java
@@ -330,6 +330,7 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
         _menu.findItem(R.id.action_active_vibration_object).setIcon(getResources().getDrawable(
                 serviceTrackingDog.isVibrationNearObjectEnabled() ? R.drawable.ic_check_box_checked : R.drawable.ic_check_box_unchecked));
         _menu.findItem(R.id.action_active_vibration_object).setChecked(serviceTrackingDog.isVibrationNearObjectEnabled());
+        navigationView.getMenu().findItem(R.id.action_clear_dog).setEnabled(false);
         updateSendTraceMenu();
         return false;
         //return super.onCreateOptionsMenu(menu);
@@ -340,6 +341,8 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
         boolean isXmppActive = serviceTrackingDog.isXmppEnabled();
         navigationView.getMenu().findItem(R.id.action_send_gpx_trail).setEnabled(isTrailFileExist);
         navigationView.getMenu().findItem(R.id.action_send_gpx_trail_by_xmpp).setEnabled(isXmppActive && isTrailFileExist);
+        navigationView.getMenu().findItem(R.id.action_clear_trail).setEnabled(isTrailFileExist);
+        navigationView.getMenu().findItem(R.id.action_clear_dog).setEnabled(lastDogPolyline != null);
     }
 
     @Override
@@ -363,6 +366,14 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
             startActivitySendGpxFile();
             mDrawerLayout.closeDrawers();
             return true;
+        } else if (id == R.id.action_clear_trail) {
+            clearTrail();
+            mDrawerLayout.closeDrawers();
+            return true;
+        } else if (id == R.id.action_clear_dog) {
+            clearDog();
+            mDrawerLayout.closeDrawers();
+            return true;
         } else if (id == R.id.action_active_vibration_object) {
             activeVibrationObject(item);
             return true;
@@ -407,6 +418,30 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
         }
     }
 
+    private void clearTrail() {
+        serviceTrackingDog.clearTrail();
+        updateSendTraceMenu();
+        if (lastTrailPolyline != null) {
+            map.getOverlayManager().remove(lastTrailPolyline);
+            lastTrailPolyline = null;
+        }
+        map.getOverlayManager().removeAll(listTrailObject);
+        listTrailObject.clear();
+        this.textViewCurrentLocation.setVisibility(View.GONE);
+    }
+
+    private void clearDog() {
+        serviceTrackingDog.clearDog();
+        navigationView.getMenu().findItem(R.id.action_clear_dog).setEnabled(false);
+        if (lastDogPolyline != null) {
+            map.getOverlayManager().remove(lastDogPolyline);
+            lastDogPolyline = null;
+        }
+        map.getOverlayManager().removeAll(listDogObject);
+        listDogObject.clear();
+        this.textViewCurrentLocation.setVisibility(View.GONE);
+    }
+
     private void activeVibrationObject(MenuItem item) {
         boolean checked = item.isChecked();
         item.setChecked(!checked);
@@ -570,6 +605,11 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
 
 
     //<editor-fold defaultstate="collapsed" desc="Map management">
+    private Polyline lastDogPolyline = null;
+    private Polyline lastTrailPolyline = null;
+    private final List<Marker> listTrailObject = new ArrayList<>();
+    private final List<Marker> listDogObject = new ArrayList<>();
+
     private void changeStatusTrace() {
         serviceTrackingDog.toggleTraceurActivation();
         if (serviceTrackingDog.isTraceurActivated()) {
@@ -599,6 +639,7 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
             this.start_stop_dog_trace.setText(R.string.dog_start);
             this.add_object.setVisibility(View.GONE);
             this.start_stop_trace.setVisibility(View.VISIBLE);
+            navigationView.getMenu().findItem(R.id.action_clear_dog).setEnabled(true);
         }
     }
 
@@ -625,6 +666,11 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
             }
         });
         map.getOverlays().add(marker);
+        if (isFound) {
+            listDogObject.add(marker);
+        } else {
+            listTrailObject.add(marker);
+        }
     }
 
     private void markAsFound() {
@@ -663,15 +709,18 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
             return ;
         }
 
-        Polyline line = new Polyline(map);
-        line.setTitle("Chien");
-        line.setSubDescription("Départ: "+listLoc.getFirstLocation().getDatePrint());
-        line.setColor(Color.BLUE);
-        line.setPoints(convertListLocation(listLoc));
-        line.setWidth(LINE_WIDTH_BIG);
-        line.setGeodesic(true);
-        line.setInfoWindow(new BasicInfoWindow(R.layout.bonuspack_bubble, map));
-        map.getOverlayManager().add(line);
+        if (lastDogPolyline != null) {
+            map.getOverlayManager().remove(lastDogPolyline);
+        }
+        lastDogPolyline = new Polyline(map);
+        lastDogPolyline.setTitle("Chien");
+        lastDogPolyline.setSubDescription("Départ: "+listLoc.getFirstLocation().getDatePrint());
+        lastDogPolyline.setColor(Color.BLUE);
+        lastDogPolyline.setPoints(convertListLocation(listLoc));
+        lastDogPolyline.setWidth(LINE_WIDTH_BIG);
+        lastDogPolyline.setGeodesic(true);
+        lastDogPolyline.setInfoWindow(new BasicInfoWindow(R.layout.bonuspack_bubble, map));
+        map.getOverlayManager().add(lastDogPolyline);
         map.invalidate();
     }
 
@@ -681,15 +730,18 @@ public class MainActivity extends AppCompatActivity implements IOrientationConsu
             return ;
         }
 
-        Polyline line = new Polyline(map);
-        line.setTitle("Traceur");
-        line.setSubDescription("Départ: "+listLoc.getFirstLocation().getDatePrint());
-        line.setColor(Color.RED);
-        line.setPoints(convertListLocation(listLoc));
-        line.setWidth(LINE_WIDTH_BIG);
-        line.setGeodesic(true);
-        line.setInfoWindow(new BasicInfoWindow(R.layout.bonuspack_bubble, map));
-        map.getOverlayManager().add(line);
+        if (lastTrailPolyline != null) {
+            map.getOverlayManager().remove(lastTrailPolyline);
+        }
+        lastTrailPolyline = new Polyline(map);
+        lastTrailPolyline.setTitle("Traceur");
+        lastTrailPolyline.setSubDescription("Départ: "+listLoc.getFirstLocation().getDatePrint());
+        lastTrailPolyline.setColor(Color.RED);
+        lastTrailPolyline.setPoints(convertListLocation(listLoc));
+        lastTrailPolyline.setWidth(LINE_WIDTH_BIG);
+        lastTrailPolyline.setGeodesic(true);
+        lastTrailPolyline.setInfoWindow(new BasicInfoWindow(R.layout.bonuspack_bubble, map));
+        map.getOverlayManager().add(lastTrailPolyline);
         map.invalidate();
     }
 
diff --git a/app/src/main/java/fr/chteufleur/mytrackingdog/models/Traces.java b/app/src/main/java/fr/chteufleur/mytrackingdog/models/Traces.java
index a8e0578..b7e8f6c 100644
--- a/app/src/main/java/fr/chteufleur/mytrackingdog/models/Traces.java
+++ b/app/src/main/java/fr/chteufleur/mytrackingdog/models/Traces.java
@@ -92,4 +92,17 @@ public class Traces {
     public boolean isDogActivated() {
         return this.dogActivated;
     }
+
+    public void clearListPointTraceur() {
+        listPointTraceur.clear();
+    }
+    public void clearListPointDog() {
+        listPointDog.clear();
+    }
+    public void clearListObjectsTrail() {
+        listPointObjectsTrail.clear();
+    }
+    public void clearListObjectDog() {
+        listPointObjectsDog.clear();
+    }
 }
diff --git a/app/src/main/java/fr/chteufleur/mytrackingdog/services/ServiceTrackingDog.java b/app/src/main/java/fr/chteufleur/mytrackingdog/services/ServiceTrackingDog.java
index 7bc4e05..3516da0 100644
--- a/app/src/main/java/fr/chteufleur/mytrackingdog/services/ServiceTrackingDog.java
+++ b/app/src/main/java/fr/chteufleur/mytrackingdog/services/ServiceTrackingDog.java
@@ -230,6 +230,15 @@ public class ServiceTrackingDog implements Observer {
         }
         return distance;
     }
+    public void clearTrail() {
+        traces.clearListObjectsTrail();
+        traces.clearListPointTraceur();
+        lastExportedTrailFile = null;
+    }
+    public void clearDog() {
+        traces.clearListObjectDog();
+        traces.clearListPointDog();
+    }
     //</editor-fold>
     //</editor-fold>
 
diff --git a/app/src/main/res/drawable/ic_clear_dog.xml b/app/src/main/res/drawable/ic_clear_dog.xml
new file mode 100644
index 0000000..39e64d6
--- /dev/null
+++ b/app/src/main/res/drawable/ic_clear_dog.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_clear_trail.xml b/app/src/main/res/drawable/ic_clear_trail.xml
new file mode 100644
index 0000000..39e64d6
--- /dev/null
+++ b/app/src/main/res/drawable/ic_clear_trail.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+</vector>
diff --git a/app/src/main/res/menu/drawer_view.xml b/app/src/main/res/menu/drawer_view.xml
index 37d4cd8..e3fb7be 100644
--- a/app/src/main/res/menu/drawer_view.xml
+++ b/app/src/main/res/menu/drawer_view.xml
@@ -8,6 +8,14 @@
         android:id="@+id/action_send_gpx_trail"
         android:title="@string/action_send_gpx_trail"
         android:icon="@drawable/ic_share" />
+    <item
+        android:id="@+id/action_clear_trail"
+        android:title="@string/action_clear_trail"
+        android:icon="@drawable/ic_clear_trail" />
+    <item
+        android:id="@+id/action_clear_dog"
+        android:title="@string/action_clear_dog"
+        android:icon="@drawable/ic_clear_dog" />
     <item
         android:id="@+id/action_active_vibration_object"
         android:title="@string/action_active_vibration_object"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 66c9d9c..1073bd2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -10,10 +10,12 @@
     <string name="action_import_gpx">Import GPX</string>
     <string name="action_send_gpx_trail">Envoyer trace du traceur</string>
     <string name="action_send_to">Envoyer par</string>
+    <string name="action_clear_trail">Supprimer données traceur</string>
+    <string name="action_clear_dog">Supprimer données chien</string>
     <string name="action_active_vibration_object">Active vibration objets</string>
     <string name="action_qr_code_generator">Affiche identifiant</string>
     <string name="action_qr_code_reader">Lecture identifiant</string>
     <string name="menu_title_xmpp">XMPP</string>
     <string name="action_active_xmpp">Active XMPP</string>
-    <string name="action_send_gpx_trail_by_xmpp">Envoyer trace du traceur par XMPP</string>
+    <string name="action_send_gpx_trail_by_xmpp">Envoyer trace du traceur</string>
 </resources>