diff --git a/lib/CPUs/MIPS/sim/tb_mips_top.fdo b/lib/CPUs/MIPS/sim/tb_mips_top.fdo
index 52dde4f..b64f076 100644
--- a/lib/CPUs/MIPS/sim/tb_mips_top.fdo
+++ b/lib/CPUs/MIPS/sim/tb_mips_top.fdo
@@ -35,7 +35,6 @@ vcom -explicit  -93 "../../../misc/rom_wb.vhd"
 # MIPS
 vcom -explicit  -93 "../src/core/mips_types.vhd"
 vcom -explicit  -93 "../src/core/mips_instr.vhd"
-vcom -explicit  -93 "../src/core/mips_idecode_rom.vhd"
 vcom -explicit  -93 "../src/core/mips_reg.vhd"
 vcom -explicit  -93 "../src/core/mips_shifter.vhd"
 vcom -explicit  -93 "../src/core/mips_alu.vhd"