diff --git a/dataflow_neuro/primitives.act b/dataflow_neuro/primitives.act
index e492527..8cbb3da 100644
--- a/dataflow_neuro/primitives.act
+++ b/dataflow_neuro/primitives.act
@@ -886,21 +886,8 @@ defproc slice_data(avMx1of2<N> in; avMx1of2<std::min(N1,N)-std::max(N0,0)> out;
       export template<pint N>
         defproc demux_bit_msb (avMx1of2<N+1> in; avMx1of2<N> out1; avMx1of2<N> out2; bool? reset_B; power supply)
         {
-            demux<N> demux(.reset_B = reset_B, .out1=out1, .out2=out2);
-
-            in.d.d[N+1].f = demux.cond.d.d[0].f;
-            in.d.d[N+1].t = demux.cond.d.d[0].t;
-
-            in.v = demux.in.v;
-            in.a = demux.in.a;
-
-
-            (i:0..N:
-                in.d.d[i].f = demux.in.d.d[i].f;
-                in.d.d[i].t = demux.in.d.d[i].t;)
+            demux_bit<N,N> demux(.in = in, .out1 = out1, .out2 = out2, .reset_B = reset_B, .out1=out1, .out2=out2);
         }
 
 
-
-
 }}