diff --git a/tgt-vvp/draw_mux.c b/tgt-vvp/draw_mux.c
index ded4732a7..8e21c2f18 100644
--- a/tgt-vvp/draw_mux.c
+++ b/tgt-vvp/draw_mux.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002-2009 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2002-2010 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -53,17 +53,6 @@ static void draw_lpm_mux_ab(ivl_lpm_t net, const char*muxz)
 		  assert( ! number_is_unknown(d_fall));
 		  assert( ! number_is_unknown(d_decay));
 
-		  // .delay (x,y,z) only supports a 64 bit delay value.
-		  if ((! number_is_immediate(d_rise, 64, 0)) ||
-		      (! number_is_immediate(d_fall, 64, 0)) ||
-		      (! number_is_immediate(d_decay, 64, 0))) {
-			fprintf(stderr, "%s:%u: vvp-tgt sorry: only 64 bit "
-			        "delays are supported in a continuous "
-			        "assignment.\n", ivl_expr_file(d_rise),
-			        ivl_expr_lineno(d_rise));
-			exit(1);
-		  }
-
 		  fprintf(vvp_out, "L_%p .delay (%" PRIu64 ",%" PRIu64 ",%" PRIu64 ") L_%p/d;\n",
 		                   net, get_number_immediate64(d_rise),
 		                   get_number_immediate64(d_fall),
diff --git a/tgt-vvp/vvp_scope.c b/tgt-vvp/vvp_scope.c
index 412eb5e45..eb3a200ef 100644
--- a/tgt-vvp/vvp_scope.c
+++ b/tgt-vvp/vvp_scope.c
@@ -878,17 +878,6 @@ static void draw_logic_in_scope(ivl_net_logic_t lptr)
 		  assert(! number_is_unknown(fall_exp));
 		  assert(! number_is_unknown(decay_exp));
 
-		  // .delay (x,y,z) only supports a 64 bit delay value.
-		  if ((! number_is_immediate(rise_exp, 64, 0)) ||
-		      (! number_is_immediate(fall_exp, 64, 0)) ||
-		      (! number_is_immediate(decay_exp, 64, 0))) {
-			fprintf(stderr, "%s:%u: vvp-tgt sorry: only 64 bit "
-			        "delays are supported in a continuous "
-			        "assignment.\n", ivl_expr_file(rise_exp),
-			        ivl_expr_lineno(rise_exp));
-			assert(0);
-		  }
-
 		  fprintf(vvp_out, "L_%p .delay (%" PRIu64 ",%" PRIu64 ",%" PRIu64 ") L_%p/d;\n",
 			  lptr, get_number_immediate64(rise_exp),
 			  get_number_immediate64(fall_exp),
@@ -1099,17 +1088,6 @@ static const char* draw_lpm_output_delay(ivl_lpm_t net)
 	    assert(! number_is_unknown(d_fall));
 	    assert(! number_is_unknown(d_decay));
 
-	    // .delay (x,y,z) only supports a 64 bit delay value.
-	    if ((! number_is_immediate(d_rise, 64, 0)) ||
-	        (! number_is_immediate(d_fall, 64, 0)) ||
-	        (! number_is_immediate(d_decay, 64, 0))) {
-		  fprintf(stderr, "%s:%u: vvp-tgt sorry: only 64 bit "
-		          "delays are supported in a continuous "
-		          "assignment.\n", ivl_expr_file(d_rise),
-		          ivl_expr_lineno(d_rise));
-		  assert(0);
-	    }
-
 	    dly = "/d";
 	    fprintf(vvp_out, "L_%p .delay (%" PRIu64 ",%" PRIu64 ",%" PRIu64 ")"
 		    " L_%p/d;\n", net, get_number_immediate64(d_rise),