diff --git a/coreapi/proxy.c b/coreapi/proxy.c
index 8268edff6..a74eefa0b 100644
--- a/coreapi/proxy.c
+++ b/coreapi/proxy.c
@@ -248,6 +248,8 @@ void _linphone_proxy_config_destroy(LinphoneProxyConfig *cfg){
 	}
 
 	if (cfg->contact_address) linphone_address_unref(cfg->contact_address);
+	if (cfg->contact_address_without_params)
+		linphone_address_unref(cfg->contact_address_without_params);
 
 	_linphone_proxy_config_release_ops(cfg);
 }
diff --git a/src/c-wrapper/api/c-address.cpp b/src/c-wrapper/api/c-address.cpp
index e258d888a..f4a38b414 100644
--- a/src/c-wrapper/api/c-address.cpp
+++ b/src/c-wrapper/api/c-address.cpp
@@ -36,6 +36,7 @@ LinphoneAddress *linphone_address_new (const char *address) {
 
 	LinphoneAddress *object = L_INIT(Address);
 	L_SET_CPP_PTR_FROM_C_OBJECT(object, cppPtr);
+	delete cppPtr;
 	return object;
 }