diff --git a/.gitignore b/.gitignore
index c0e8fb5..bcabfa7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-work/*
\ No newline at end of file
+*/work/*
diff --git a/alu/Makefile b/alu/Makefile
index d1c6b73..b884e4a 100644
--- a/alu/Makefile
+++ b/alu/Makefile
@@ -1,2 +1,6 @@
 alu: alu.vhd alu_t.sv alu_f.sby
 	sby -f -d work alu_f.sby
+
+
+clean:
+	rm -rf work
diff --git a/alu/alu_t.sv b/alu/alu_t.sv
index 6b35426..2f98064 100644
--- a/alu/alu_t.sv
+++ b/alu/alu_t.sv
@@ -1,5 +1,5 @@
 module alu_t (
-    inout        Reset_n_i,
+    input        Reset_n_i,
     input        Clk_i,
     input  [1:0] Opc_i,
     input  [31:0] DinA_i,