Constitutional reformism in Mexico has been explained from the analysis of its causes and consequences. Among the causes, have been postulated: political pluralism, product of the democratic transition process; the strategic need to protect relevant political agreements and also to shield decisions against review from the Supreme Court. Other accounts have focused on the consequences, such as the unintelligible physiognomy that the constitution has acquired due to its loss of coherence, reiterations, excess of technicalities and its regulatory contents, and perhaps even more relevant, the loss of both legal and political effectiveness. Our work inquires on the deep consequences that the loss of effectiveness can generate in the political community. The inquiry will be illuminated by the question that Carlos Nino asked about why the Constitution is relevant. We argue that constitutional reformism in Mexico empties the constitution of meaning and thus affects its relevance.