In Part 1 of the Acts of the Oireachtas, several Irish companies laws have been repealed in their entirety or in part, corresponding with specific sections of the "Companies Act 2014":

• The "Companies Act 1963" (No. 33 of 1963)
• The "Companies (Amendment) Act 1977" (No. 31 of 1977)
• The "Companies (Amendment) Act 1982" (No. 10 of 1982)
• The "Companies (Amendment) Act 1983" (No. 13 of 1983)
• The "Companies (Amendment) Act 1986" (No. 25 of 1986)
• The "Companies (Amendment) Act 1990" (No. 27 of 1990)
• The "Companies Act 1990" (No. 33 of 1990)
• The "Companies (Amendment) Act 1999" (No. 8 of 1999)
• The "Companies (Amendment) (No. 2) Act 1999" (No. 30 of 1999)
• The "Company Law Enforcement Act 2001" (No. 28 of 2001)
• The "Companies (Auditing and Accounting) Act 2003" (No. 44 of 2003)
• The "Companies (Amendment) Act 2009" (No. 20 of 2009)
• The "Companies (Amendment) Act 2012" (No. 22 of 2012)

The "Bankruptcy Act 1988" (No. 27 of 1988), the "Investment Funds, Companies and Miscellaneous Provisions Act 2005" (No. 12 of 2005), and the "Investment Funds, Companies and Miscellaneous Provisions Act 2006" (No. 41 of 2006) have been repealed in part.

Several sections of the "Companies (Miscellaneous Provisions) Act 2009" (No. 45 of 2009) and the "Companies (Miscellaneous Provisions) Act 2013" (No. 46 of 2013) have specifically been repealed.