diff --git a/unoptimized_lr/simple_lr_stack.py b/unoptimized_lr/simple_lr_stack.py
index 4881347413a1e81e879a79ff361437c61bba68b8..46f2fea0d9c6e320a496f06ff01c3cceeab0ea62 100644
--- a/unoptimized_lr/simple_lr_stack.py
+++ b/unoptimized_lr/simple_lr_stack.py
@@ -63,25 +63,6 @@ class ParseStack(Elaboratable):
 
         self.bus = ParseStackBus(data_width = width, index_width=len(dummy_index), command_width=3)
 
-        #self.strobe       = Signal(1) # replace this with valid_in
-
-        # Data inputs
-        #self.in_data_port      = Signal(width) # data_in
-        #self.in_aux_port       = Signal(range(depth)) #Index_in
-        #self.in_data_valid     = Signal(1) # merge this and the one below, replace with valid_in
-        #self.in_aux_valid      = Signal(1) #
-
-
-        # Control outputs
-        #self.internal_fault    = Signal(1) # keep
-
-        # Data outputs
-#        self.out_data_port       = Signal(width) #data_out
-        #self.out_aux_port        = Signal(range(depth)) # index_out
-        #self.out_data_valid      = Signal(1) # merge these as valid_out
-        self.out_aux_valid       = Signal(1)#
-
-
         self.mem = Memory(width=self.width, depth=self.depth)
 
 
@@ -189,7 +170,7 @@ class ParseStack(Elaboratable):
 
                         with m.Case(self.READ_SP):
                             m.d.comb += self.bus.index_out.eq(stack_pointer)
-                            m.d.comb += self.out_aux_valid.eq(1)
+                            m.d.comb += self.bus.valid_out.eq(1)
                             m.next = "AT_LEAST_ONE_ITEM"
 
             with m.State("FAULTED"):