diff --git a/VAX/vax730_stddev.c b/VAX/vax730_stddev.c
index 62946f17..8d340a74 100644
--- a/VAX/vax730_stddev.c
+++ b/VAX/vax730_stddev.c
@@ -386,8 +386,6 @@ REG td_reg[] = {
     { DRDATAD (STIME,  td_regval,24, "seek, per block"), PV_LEFT },
     { DRDATAD (XTIME,  td_regval,24, "tr set time"), PV_LEFT },
     { DRDATAD (ITIME,  td_regval,24, "init time"), PV_LEFT },
-    { BRDATAD (IBUF,   &td_regval,16, 8, 512, "input buffer"), },
-    { BRDATAD (OBUF,   &td_regval,16, 8, 512, "output buffer"), },
     { NULL }
     };
 
diff --git a/VAX/vax750_stddev.c b/VAX/vax750_stddev.c
index 2bb994de..1323afd7 100644
--- a/VAX/vax750_stddev.c
+++ b/VAX/vax750_stddev.c
@@ -379,8 +379,6 @@ REG td_reg[] = {
     { DRDATAD (STIME,  td_regval,24, "seek, per block"), PV_LEFT },
     { DRDATAD (XTIME,  td_regval,24, "tr set time"), PV_LEFT },
     { DRDATAD (ITIME,  td_regval,24, "init time"), PV_LEFT },
-    { BRDATAD (IBUF,   &td_regval,16, 8, 512, "input buffer"), },
-    { BRDATAD (OBUF,   &td_regval,16, 8, 512, "output buffer"), },
     { NULL }
     };