diff --git a/scripts/rfc868-time.nse b/scripts/rfc868-time.nse
index a426aa4eb..7b4636ec6 100644
--- a/scripts/rfc868-time.nse
+++ b/scripts/rfc868-time.nse
@@ -2,7 +2,7 @@ local comm = require "comm"
 local datetime = require "datetime"
 local shortport = require "shortport"
 local stdnse = require "stdnse"
-local bin = require "bin"
+local string = require "string"
 local nmap = require "nmap"
 local os = require "os"
 
@@ -29,13 +29,13 @@ action = function(host, port)
   local status, result = comm.exchange(host, port, "", {bytes=4})
 
   if status then
-    local _, stamp
+    local stamp
     local width = #result
     if width == 4 then
-      _, stamp = bin.unpack(">I", result)
+      stamp = string.unpack(">I4", result)
       port.version.extrainfo = "32 bits"
     elseif width == 8 then
-      _, stamp = bin.unpack(">I", result)
+      stamp = string.unpack(">I4", result)
       port.version.extrainfo = "64 bits"
     else
       stdnse.debug1("Odd response: %s", stdnse.filename_escape(result))
diff --git a/scripts/snmp-info.nse b/scripts/snmp-info.nse
index 4bb1a9c83..11d8c0921 100644
--- a/scripts/snmp-info.nse
+++ b/scripts/snmp-info.nse
@@ -1,10 +1,10 @@
-local bin = require "bin"
 local datafiles = require "datafiles"
 local ipOps = require "ipOps"
 local nmap = require "nmap"
 local shortport = require "shortport"
 local snmp = require "snmp"
 local stdnse = require "stdnse"
+local string = require "string"
 local U = require "lpeg-utility"
 local comm = require "comm"
 
@@ -98,12 +98,12 @@ action = function (host, port)
   local output = stdnse.output_table()
   -- Decode the msgAuthoritativeEngineID octet-string
   local engineID = decoded[1]
-  local pos, enterprise = bin.unpack(">I", engineID)
+  local enterprise, pos = string.unpack(">I4", engineID)
   if enterprise > 0x80000000 then
     enterprise = enterprise - 0x80000000
     output.enterprise = ENTERPRISE_NUMS[enterprise]
     local format, data
-    pos, format = bin.unpack("C", engineID, pos)
+    format, pos = string.unpack("B", engineID, pos)
     if format == 1 then
       output.engineIDFormat = "ipv4"
       output.engineIDData = ipOps.str_to_ip(engineID:sub(pos,pos+3))