The Central Bank of Ireland produce monthly figures showing the assets and liabilities of the guaranteed banks.
In January 2013, the Central Bank shows that €427 billion of liabilities (yellow)
In February 2013, the report shows that liabilities had fallen by €42 billion to €385 billion.
€27 billion of this decrease applies to Irish Resident "Remaining Liabilities"
(Jan 2013 = €49 billion, Feb 2013 = €22 billion )
The other €15 billion decrease is made of reductions of liabilities to the Eurosystem (€5.5 billion) and reduction of liabilities to Monetary Financial Institutions (€4.1 billion), and a reduction of liabilities to Irish Resident Capital and Reserves (€4.5 billion).
€27 billion decrease is curious, as to a lesser extent is the €5.5 billion, €4.1 billion and €4.5 billion decreases too.
The only thing I can assume these decreases relate to is the liquidation of Anglo/IBRC.