diff --git a/dataflow_neuro/primitives.act b/dataflow_neuro/primitives.act
index 624ab34..c963043 100644
--- a/dataflow_neuro/primitives.act
+++ b/dataflow_neuro/primitives.act
@@ -685,33 +685,6 @@ namespace tmpl {
             (i:((1<<N)-1):dly[i].vss = supply.vss;)
         }
 
-        export
-        defproc line_end_pull_up (a1of1 in; bool? reset_B; power supply; bool! out)
-        {
-          bool _out, __out, nor_out;
-          BUF_X4 buf1(.a=in.a, .y=_out, .vdd=supply.vdd,.vss=supply.vss);
-          BUF_X4 buf2(.a=_out, .y=__out, .vdd=supply.vdd,.vss=supply.vss);
-
-          NOR2_X1 aenor(.a=_out, .b=reset_B, .y = nor_out, .vdd=supply.vdd,.vss=supply.vss);
-
-          PULLUP_X4 pull_up(.a=nor_out, .y=out);
-        }
-
-        export
-        defproc line_end_pull_down (a1of1 in; bool? reset_B; power supply; bool! out)
-        {
-          bool _out, __out, nor_out;
-          BUF_X4 buf1(.a=in.a, .y=_out, .vdd=supply.vdd,.vss=supply.vss);
-          BUF_X4 buf2(.a=_out, .y=__out, .vdd=supply.vdd,.vss=supply.vss);
-
-          NOR2_X1 aenor(.a=_out, .b=reset_B, .y = nor_out, .vdd=supply.vdd,.vss=supply.vss);
-
-          PULLUP_X4 pull_down(.a=nor_out, .y=out);
-        }
-        
-
-        
-
         /**
          * Appends a hard-coded word "VAL" to an input.
          * Works by piping through all sigs, but adding
@@ -719,6 +692,9 @@ namespace tmpl {
          * N is size of channel to pipe through.
          * NVAL is size of word to be put on output.
          * VAL is word to be put on output.
+         * Output looks like
+         * 0..............N........N+NVAL-1
+         * --input_data----LSB....MSB
          *
          */
         export template<pint N, NVAL, VAL>