diff --git a/src/address/address.cpp b/src/address/address.cpp
index 84bdd37b7..033c027c8 100644
--- a/src/address/address.cpp
+++ b/src/address/address.cpp
@@ -34,6 +34,8 @@ LINPHONE_BEGIN_NAMESPACE
 // -----------------------------------------------------------------------------
 
 void AddressPrivate::setInternalAddress (const SalAddress *addr) {
+	if (internalAddress)
+		sal_address_unref(internalAddress);
 	internalAddress = sal_address_clone(addr);
 }
 
diff --git a/src/conference/local-conference.cpp b/src/conference/local-conference.cpp
index 50848259a..d9d757aba 100644
--- a/src/conference/local-conference.cpp
+++ b/src/conference/local-conference.cpp
@@ -34,6 +34,11 @@ LocalConference::LocalConference (const shared_ptr<Core> &core, const IdentityAd
 	d->eventHandler.reset(new LocalConferenceEventHandler(this));
 }
 
+LocalConference::~LocalConference () {
+	L_D();
+	d->eventHandler.reset();
+}
+
 // -----------------------------------------------------------------------------
 
 void LocalConference::addParticipant (const IdentityAddress &addr, const CallSessionParams *params, bool hasMedia) {
diff --git a/src/conference/local-conference.h b/src/conference/local-conference.h
index a53f77b90..c7984f101 100644
--- a/src/conference/local-conference.h
+++ b/src/conference/local-conference.h
@@ -33,6 +33,7 @@ class LocalConference : public Conference {
 
 public:
 	LocalConference (const std::shared_ptr<Core> &core, const IdentityAddress &myAddress, CallSessionListener *listener);
+	virtual ~LocalConference ();
 
 	/* ConferenceInterface */
 	void addParticipant (const IdentityAddress &addr, const CallSessionParams *params, bool hasMedia) override;
diff --git a/src/conference/remote-conference.cpp b/src/conference/remote-conference.cpp
index 55d46e619..7837cb1da 100644
--- a/src/conference/remote-conference.cpp
+++ b/src/conference/remote-conference.cpp
@@ -37,6 +37,11 @@ RemoteConference::RemoteConference (
 	d->eventHandler.reset(new RemoteConferenceEventHandler(this));
 }
 
+RemoteConference::~RemoteConference () {
+	L_D();
+	d->eventHandler.reset();
+}
+
 // -----------------------------------------------------------------------------
 
 void RemoteConference::addParticipant (const IdentityAddress &addr, const CallSessionParams *params, bool hasMedia) {
diff --git a/src/conference/remote-conference.h b/src/conference/remote-conference.h
index 1b5e62f47..e0e3b8f5d 100644
--- a/src/conference/remote-conference.h
+++ b/src/conference/remote-conference.h
@@ -35,6 +35,7 @@ class LINPHONE_PUBLIC RemoteConference : public Conference, public ConferenceLis
 
 public:
 	RemoteConference (const std::shared_ptr<Core> &core, const IdentityAddress &myAddress, CallSessionListener *listener);
+	virtual ~RemoteConference ();
 
 	/* ConferenceInterface */
 	void addParticipant (const IdentityAddress &addr, const CallSessionParams *params, bool hasMedia) override;
diff --git a/tester/register_tester.c b/tester/register_tester.c
index cf7dc0c1f..44e83945f 100644
--- a/tester/register_tester.c
+++ b/tester/register_tester.c
@@ -1252,7 +1252,9 @@ static void register_get_gruu(void) {
 	if(cfg) {
 		const LinphoneAddress *addr = linphone_proxy_config_get_contact(cfg);
 		BC_ASSERT_PTR_NOT_NULL(addr);
-		BC_ASSERT_PTR_NOT_NULL(strstr(linphone_address_as_string_uri_only(addr), "gr"));
+		char *addrStr = linphone_address_as_string_uri_only(addr);
+		BC_ASSERT_PTR_NOT_NULL(strstr(addrStr, "gr"));
+		bctbx_free(addrStr);
 	}
 	linphone_core_manager_destroy(marie);
 }
diff --git a/tester/tester.c b/tester/tester.c
index 48e067f41..63783b0b1 100644
--- a/tester/tester.c
+++ b/tester/tester.c
@@ -489,6 +489,8 @@ void linphone_core_manager_uninit(LinphoneCoreManager *mgr) {
 	if (mgr->identity) {
 		linphone_address_unref(mgr->identity);
 	}
+	if (mgr->rc_path)
+		bctbx_free(mgr->rc_path);
 
 	manager_count--;
 	linphone_core_set_log_level(old_log_level);