diff --git a/scans/s1.s b/scans/s1.s
index 3a8fead..dd563c2 100644
--- a/scans/s1.s
+++ b/scans/s1.s
@@ -61,7 +61,7 @@ sysexit:
    jmp 1f
    jms copy; sysdata; dskbuf; 64
    cla
-   jms dskio; o7000
+   jms dskio; 07000
 1:
    dzm .insys
    jms chkint
diff --git a/scans/s2.s b/scans/s2.s
index 3847776..7e05049 100644
--- a/scans/s2.s
+++ b/scans/s2.s
@@ -115,7 +115,7 @@
    lac u.base
    jms iget
    lac ii
-   dac d.i	"** ??
+   dac d.i
    jms copy; name; d.name; 4
    lac i.uniq
    dac d.uniq
diff --git a/scans/s5.s b/scans/s5.s
index 8f12620..bc69bb9 100644
--- a/scans/s5.s
+++ b/scans/s5.s
@@ -16,7 +16,7 @@ t = t+1
 
 access: 0
    lac i.flags
-   idunno	"** ???
+   lmq
    lac u.uid
    spa
    jmp access i
@@ -74,7 +74,7 @@ fget: 0
 fput: 0
    lac 9f+t
    dac .+3
-   jms copy; ; fnode; ..; 3
+   jms copy; fnode; ..; 3
    jmp fput i
 t = t+1
 
@@ -103,7 +103,7 @@ sleep: 0
    law ulist-1
    dac 8
    lac o200000
-   lmq		"** ???
+   lmq
 1:
    lac u.ulistp i
    sad 8 i
diff --git a/scans/s7.s b/scans/s7.s
index 6d12062..8029670 100644
--- a/scans/s7.s
+++ b/scans/s7.s
@@ -87,14 +87,14 @@ dsprestart:
    lac d1
    dac .dspb
    lac dspbufp
-   beg		"** ???
+   beg
    -10
    dac .dsptm
    jmp piret
 
 1: sna ral
    jmp .+3
-   racf
+   dpcf
    jmp piret
    sma
    jmp 1f
diff --git a/scans/sx.s b/scans/sx.s
deleted file mode 100644
index 6b08758..0000000
--- a/scans/sx.s
+++ /dev/null
@@ -1,4 +0,0 @@
-" For now, this stuff is defined so that
-" the assembler doesn't complain about it
-
-o7000: 07000