diff --git a/src/arch/x86/isa/rom.isa b/src/arch/x86/isa/rom.isa
index 4f97ac817a..c7ba67574a 100644
--- a/src/arch/x86/isa/rom.isa
+++ b/src/arch/x86/isa/rom.isa
@@ -41,10 +41,6 @@ let {{
     from micro_asm import Rom
 
     class X86MicrocodeRom(Rom):
-        def __init__(self, name):
-            super().__init__(name)
-            self.directives = {}
-
         def add_microop(self, mnemonic, microop):
             microop.mnemonic = mnemonic
             microop.micropc = len(self.microops)