diff --git a/projects/mips_sys/sim/tb_mips_sys.fdo b/projects/mips_sys/sim/tb_mips_sys.fdo
index 83b33c0..2eea9b0 100644
--- a/projects/mips_sys/sim/tb_mips_sys.fdo
+++ b/projects/mips_sys/sim/tb_mips_sys.fdo
@@ -26,7 +26,6 @@ vcom -explicit  -93 "../../../lib/FIFO/src/fifo_async_ctrl.vhd"
 vcom -explicit  -93 "../../../lib/FIFO/src/fifo_async.vhd"
 
 # CPU
-vcom -explicit  -93 "../../../lib/CPUs/MIPS/src/core/mips_idecode_rom.vhd"
 vcom -explicit  -93 "../../../lib/CPUs/MIPS/src/core/mips_reg.vhd"
 vcom -explicit  -93 "../../../lib/CPUs/MIPS/src/core/mips_shifter.vhd"
 vcom -explicit  -93 "../../../lib/CPUs/MIPS/src/core/mips_alu.vhd"