diff --git a/hw/cpu-all.vl b/hw/cpu-all.vl
index e445a099b637e14f860f39c28c43dbbf7a4086f5..3bcb07edf318da8d05211e032888fb2ec9c7fb90 100644
--- a/hw/cpu-all.vl
+++ b/hw/cpu-all.vl
@@ -22,7 +22,6 @@
  `include "reg-file.vl"
 `endif
 `include "unary-unit.vl"
-`include "mul-unit.vl"
 `include "reciprocal-unit.vl"
 `include "instr-decode.vl"
 `include "instr-fetch.vl"
diff --git a/hw/mul-unit.vl b/hw/cpu/lib/mul_unit.v
similarity index 100%
rename from hw/mul-unit.vl
rename to hw/cpu/lib/mul_unit.v