diff --git a/dataflow_neuro/cell_lib_std.act b/dataflow_neuro/cell_lib_std.act
index a50a921..6a8254c 100644
--- a/dataflow_neuro/cell_lib_std.act
+++ b/dataflow_neuro/cell_lib_std.act
@@ -24,7 +24,7 @@
  **************************************************************************
  */
 
-namespace std_cell_template {
+namespace tmpl {
   namespace dataflow_neuro {
 
     export defproc TIELO_X1(bool! y; bool vdd, vss)
@@ -59,26 +59,6 @@ namespace std_cell_template {
     export defcell INV_X4<: szinv<2>() { }
     export defcell INV_X8<: szinv<4>() { }
 
-    /*-- clock delay buffers --*/
-
-    template<pint N>
-    defproc dbuf (bool! y; bool? a, vdd, vss)
-    {
-      {N > 0 : "Delay buffer needs at least one stage!"};
-      bool sig[2*N+1];
-      sig[0] = a;
-      sig[2*N] = y;
-      prs {
-        (i:2*N: ~sig[i] <80;2> -> sig[i+1]+
-                sig[i] <40;2> -> sig[i+1]-
-        )
-      }
-    }
-
-    export defproc CLKBUF1 <: dbuf<2>() { }
-    export defproc CLKBUF2 <: dbuf<3>() { }
-    export defproc CLKBUF3 <: dbuf<4>() { }
-
 
     /*--  signal buffers --*/