diff --git a/vvp/vpi_priv.cc b/vvp/vpi_priv.cc
index 2d5c65628..12c681224 100644
--- a/vvp/vpi_priv.cc
+++ b/vvp/vpi_priv.cc
@@ -325,7 +325,6 @@ PLI_INT32 vpi_get(int property, vpiHandle ref)
 			  ref, vpi_type_values(ref->vpi_type->type_code));
 	    }
 
-	    struct __vpiSignal*rfp = (struct __vpiSignal*)ref;
 	    if (ref->vpi_type->type_code == vpiMemory && is_net_array(ref))
 		  return vpiNetArray;
 	    else
@@ -379,7 +378,6 @@ char* vpi_get_str(PLI_INT32 property, vpiHandle ref)
 			  ref, vpi_type_values(ref->vpi_type->type_code));
 	    }
 
-	    struct __vpiSignal*rfp = (struct __vpiSignal*)ref;
             PLI_INT32 type;
 	    if (ref->vpi_type->type_code == vpiMemory && is_net_array(ref))
 		  type = vpiNetArray;
diff --git a/vvp/vpi_signal.cc b/vvp/vpi_signal.cc
index fe629ed0c..90e924e64 100644
--- a/vvp/vpi_signal.cc
+++ b/vvp/vpi_signal.cc
@@ -890,6 +890,9 @@ static const struct __vpirt vpip_integer_rt = {
       signal_put_value,
       signal_get_handle,
       signal_iterate,
+      0,
+      0,
+      0,
       0
 };
 
@@ -915,6 +918,9 @@ static const struct __vpirt vpip_byte_rt = {
       signal_put_value,
       signal_get_handle,
       signal_iterate,
+      0,
+      0,
+      0,
       0
 };
 
@@ -926,6 +932,9 @@ static const struct __vpirt vpip_shortint_rt = {
       signal_put_value,
       signal_get_handle,
       signal_iterate,
+      0,
+      0,
+      0,
       0
 };
 
@@ -937,6 +946,9 @@ static const struct __vpirt vpip_int_rt = {
       signal_put_value,
       signal_get_handle,
       signal_iterate,
+      0,
+      0,
+      0,
       0
 };
 
@@ -948,6 +960,9 @@ static const struct __vpirt vpip_longint_rt = {
       signal_put_value,
       signal_get_handle,
       signal_iterate,
+      0,
+      0,
+      0,
       0
 };