diff --git a/coreapi/bellesip_sal/sal_op_presence.c b/coreapi/bellesip_sal/sal_op_presence.c
index 321f2e0ac..a818fd511 100644
--- a/coreapi/bellesip_sal/sal_op_presence.c
+++ b/coreapi/bellesip_sal/sal_op_presence.c
@@ -41,6 +41,7 @@ void sal_add_presence_info(SalOp *op, belle_sip_message_t *notify, SalPresenceMo
 								,BELLE_SIP_HEADER(belle_sip_header_content_length_create(content_length=strlen(content))));
 	belle_sip_message_set_body(BELLE_SIP_MESSAGE(notify),content,content_length);
 	ms_free(contact_info);
+	ms_free(content);
 }
 
 static void presence_process_io_error(void *user_ctx, const belle_sip_io_error_event_t *event){
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 605521552..95d0e5d83 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -5490,6 +5490,8 @@ static void linphone_core_uninit(LinphoneCore *lc)
 
 	if (lc->friends) /* FIXME we should wait until subscription to complete*/
 		ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
+	if (lc->presence_model)
+		linphone_presence_model_delete(lc->presence_model);
 	linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
 #ifdef VIDEO_ENABLED
 	if (lc->previewstream!=NULL){
diff --git a/coreapi/presence.c b/coreapi/presence.c
index a002d5c49..67bbe666f 100644
--- a/coreapi/presence.c
+++ b/coreapi/presence.c
@@ -991,6 +991,7 @@ static int process_pidf_xml_presence_person_activities(xmlparsing_context_t *xml
 					}
 				}
 			}
+			if (activities_object != NULL) xmlXPathFreeObject(activities_object);
 			if (err < 0) break;
 		}
 	}