diff --git a/etc/disktab b/etc/disktab
index 432ec416a695..dbd9fc2012d9 100644
--- a/etc/disktab
+++ b/etc/disktab
@@ -191,11 +191,6 @@ mta3230|mo230|IBM MTA-3230 230 Meg 3.5inch Magneto-Optical:\
 	:pc#444384:oc#0:
 
 minimum:ty=mfs:se#512:nt#1:rm#300:\
-	:ns#2400:nc#1:\
-	:pa#2400:oa#0:ba#4096:fa#512:\
-	:pc#2400:oc#0:bc#4096:fc#512:
-
-	:ty=removable:dt=SCSI:se#512:nt#64:ns#32:nc#634:ts#1:rm#4800:\
-	:pc#1298431:oc#0:\
-	:pa#1298431:oa#0:ta=4.2BSD:ba#8192:fa#1024:
-
+	:ns#2880:nc#1:\
+	:pa#2880:oa#0:ba#4096:fa#512:\
+	:pc#2880:oc#0:bc#4096:fc#512:
diff --git a/etc/etc.i386/disktab b/etc/etc.i386/disktab
index 432ec416a695..dbd9fc2012d9 100644
--- a/etc/etc.i386/disktab
+++ b/etc/etc.i386/disktab
@@ -191,11 +191,6 @@ mta3230|mo230|IBM MTA-3230 230 Meg 3.5inch Magneto-Optical:\
 	:pc#444384:oc#0:
 
 minimum:ty=mfs:se#512:nt#1:rm#300:\
-	:ns#2400:nc#1:\
-	:pa#2400:oa#0:ba#4096:fa#512:\
-	:pc#2400:oc#0:bc#4096:fc#512:
-
-	:ty=removable:dt=SCSI:se#512:nt#64:ns#32:nc#634:ts#1:rm#4800:\
-	:pc#1298431:oc#0:\
-	:pa#1298431:oa#0:ta=4.2BSD:ba#8192:fa#1024:
-
+	:ns#2880:nc#1:\
+	:pa#2880:oa#0:ba#4096:fa#512:\
+	:pc#2880:oc#0:bc#4096:fc#512: