--- a/tools/pygrub/src/pygrub
+++ b/tools/pygrub/src/pygrub
@@ -17,7 +17,6 @@
 import copy
 import logging
 import platform
-import xen.lowlevel.xc
 
 import curses, _curses, curses.wrapper, curses.textpad, curses.ascii
 import getopt
@@ -639,51 +638,6 @@
 
     return grubcfg
 
-def supports64bitPVguest():
-    xc = xen.lowlevel.xc.xc()
-    caps = xc.xeninfo()['xen_caps'].split(" ")
-    for cap in caps:
-        if cap == "xen-3.0-x86_64":
-            return True
-    return False
-
-# If nothing has been specified, look for a Solaris domU. If found, perform the
-# necessary tweaks.
-def sniff_solaris(fs, cfg):
-    if not fs.file_exists("/platform/i86xpv/kernel/unix") and \
-       not fs.file_exists("/platform/i86xpv/kernel/amd64/unix"):
-        return cfg
-
-    if not cfg["kernel"]:
-        if supports64bitPVguest() and \
-          fs.file_exists("/platform/i86xpv/kernel/amd64/unix"):
-            cfg["kernel"] = "/platform/i86xpv/kernel/amd64/unix"
-            cfg["ramdisk"] = "/platform/i86pc/amd64/boot_archive"
-        elif fs.file_exists("/platform/i86xpv/kernel/unix"):
-            cfg["kernel"] = "/platform/i86xpv/kernel/unix"
-            cfg["ramdisk"] = "/platform/i86pc/boot_archive"
-        else:
-            return cfg
-
-    # Unpleasant. Typically we'll have 'root=foo -k' or 'root=foo /kernel -k',
-    # and we need to maintain Xen properties (root= and ip=) and the kernel
-    # before any user args.
-    
-    xenargs = ""
-    userargs = ""
-    
-    if not cfg["args"]:
-        cfg["args"] = cfg["kernel"]
-    else:
-        for arg in cfg["args"].split():
-            if re.match("^root=", arg) or re.match("^ip=", arg):
-                xenargs += arg + " "
-            elif arg != cfg["kernel"]:
-                userargs += arg + " "
-        cfg["args"] = xenargs + " " + cfg["kernel"] + " " + userargs
-
-    return cfg
- 
 def sniff_netware(fs, cfg):
     if not fs.file_exists("/nwserver/xnloader.sys"):
         return cfg
@@ -848,10 +802,7 @@
         try:
             fs = fsimage.open(file, offset, bootfsoptions)
 
-            chosencfg = sniff_solaris(fs, incfg)
-
-            if not chosencfg["kernel"]:
-                chosencfg = sniff_netware(fs, incfg)
+            chosencfg = sniff_netware(fs, incfg)
 
             if not chosencfg["kernel"]:
                 chosencfg = run_grub(file, entry, fs, incfg["args"])
