diff --git a/PWire.cc b/PWire.cc
index bf9b36954..5cba7ef97 100644
--- a/PWire.cc
+++ b/PWire.cc
@@ -98,12 +98,10 @@ bool PWire::set_port_type(NetNet::PortType pt)
 
       switch (port_type_) {
 	  case NetNet::PIMPLICIT:
+	  case NetNet::NOT_A_PORT:
 	    port_type_ = pt;
 	    return true;
 
-	  case NetNet::NOT_A_PORT:
-	    return false;
-
 	  default:
 	    if (port_type_ != pt)
 		  return false;
diff --git a/pform.cc b/pform.cc
index 374040291..8c211b1ef 100644
--- a/pform.cc
+++ b/pform.cc
@@ -3413,18 +3413,12 @@ static void pform_set_port_type(const struct vlltype&li,
       }
 
       switch (cur->get_port_type()) {
+	  case NetNet::NOT_A_PORT:
 	  case NetNet::PIMPLICIT:
 	    if (! cur->set_port_type(pt))
 		  VLerror("error setting port direction.");
 	    break;
 
-	  case NetNet::NOT_A_PORT:
-	    cerr << li << ": error: "
-		 << "port " << name << " is not in the port list."
-		 << endl;
-	    error_count += 1;
-	    break;
-
 	  default:
 	    cerr << li << ": error: "
 		 << "port " << name << " already has a port declaration."