Does the Buddha's concept of Citta contradict the Mahayana doctrine of emptiness?

In [the suttas quoted in this answer](https://buddhism.stackexchange.com/a/11081/254) , the Buddha describes the Citta as pure, free from defilement and transcending the 5 aggregates, and its liberation from samsara as the highest aim of his teaching. Is this evidence that the Buddha never taught "emptiness" (in the Mahayana sense of "emptiness of inherent existence"), and does it contradict the Mahayana doctrine of "emptiness? [Pabhassara Sutta AN 1.49-52 PTS: A i 10 (I,v,9-10; I,vi,1-2)](http://www.accesstoinsight.org/tipitaka/an/an01/an01.049.than.html)