diff --git a/tests/test_i2c.c b/tests/test_i2c.c
index 067d551..89e7744 100644
--- a/tests/test_i2c.c
+++ b/tests/test_i2c.c
@@ -259,5 +259,10 @@
 
 	test_neigh_expiry(tx_test, rx_test);
 
+	free(tx_test->i2c);
+	free(rx_test->i2c);
+	mctp_destroy(tx_test->mctp);
+	mctp_destroy(rx_test->mctp);
+
 	return 0;
 }