diff --git a/python/helicalscan.py b/python/helicalscan.py
index d1f475f..a60a4d3 100755
--- a/python/helicalscan.py
+++ b/python/helicalscan.py
@@ -1001,77 +1001,6 @@ close
     if fnRec:
       np.savez_compressed(fnRec, rec=rec, points=self.points, param=self.param, meta=self.meta)
 
-  def download(self,prg=None,mode=0,file='/tmp/helicalscan.cfg'):
-    '''
-      mode bits:
-       bit 0 (1): wait execution finished (P1000==1)
-       bit 1 (2): gather and save data
-       bit 2 (4): ...
-    '''
-    host=self.host
-    if prg is not None and self.verbose & 4:
-      for ln in prg:
-        print(ln)
-
-    if file is not None and prg is not None:
-      fh=open(file,'w')
-      fh.write('\n'.join(prg))
-      fh.close()
-    if host is not None:
-      # ***download and start the program***
-      cmd ='gpasciiCommander --host '+host+' '+ file
-      print(cmd)
-      p = sprc.Popen(cmd, shell=True)#, stdout=sprc.PIPE, stderr=sprc.STDOUT)
-      #res=p.stdout.readlines();  print res
-      retval = p.wait()
-
-      if mode &1:
-        # ***wait program finished P1000=1***
-        com=GpasciiCommunicator().connect(host,prompt='# ')
-        ack=GpasciiCommunicator.gpascii_ack
-        sys.stdout.write('wait execution...');sys.stdout.flush()
-        while(True):
-          #Gather.MaxLines calculates maximum numbewr of gathering into memory
-          com.write('P1000\n')
-          val=com.read_until(ack)
-          #print val
-          val=int(val[val.find('=')+1:].rstrip(ack))
-          if val==1:break
-          #com.write('Gather.Index\n')
-          #val=com.read_until(ack)
-          #print val
-          time.sleep(.2)
-          sys.stdout.write('.');sys.stdout.flush()
-      if mode &2:
-        fnRmt = '/var/ftp/gather/out.txt'
-        fnLoc = '/tmp/gather.txt'
-        print('\ngather data to %s...' % fnRmt)
-        p = sprc.Popen(('ssh', 'root@' + host, 'gather ', '-u', fnRmt), shell=False, stdin=sprc.PIPE, stdout=sprc.PIPE,
-                       stderr=sprc.PIPE)
-        res = p.wait()
-        if res:
-          print('ssh failed. ssh root@%s to open a session' % host)
-          return
-
-        print('transfer data to %s...' % fnLoc)
-        p = sprc.Popen(('scp', 'root@' + host + ':' + fnRmt, fnLoc), shell=False, stdin=sprc.PIPE, stdout=sprc.PIPE,
-                       stderr=sprc.PIPE)
-        res = p.wait()
-        self.rec = np.genfromtxt(fnLoc, delimiter=' ')
-        com=GpasciiCommunicator().connect(host,prompt='# ')
-        ack=GpasciiCommunicator.gpascii_ack
-
-        channels=["Motor[4].HomePos","Motor[5].HomePos","Motor[3].HomePos","Motor[1].HomePos"]
-        ofs=np.ndarray(len(channels))
-        for i,v in enumerate(channels):
-          com.write(v+'\n')
-          val=com.read_until(ack)
-          #print val
-          #regexp: https://docs.python.org/2/library/re.html -> %e, %E, %f, %g
-          ofs[i]=float(re.search('=([-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?)',val).group(1))
-        self.rec-=ofs
-        self.save_rec()
-
 
 if __name__=='__main__':
   def run_test(args):