diff --git a/PRIVATE b/PRIVATE
index e2301f7d1..52e51c6a6 160000
--- a/PRIVATE
+++ b/PRIVATE
@@ -1 +1 @@
-Subproject commit e2301f7d12ff0ae12218d9b58e33a814eb5431c9
+Subproject commit 52e51c6a69dec5046eef3e369484256b655acbd9
diff --git a/python/damask/_asciitable.py b/python/damask/_asciitable.py
index 9d762369a..de7596aea 100644
--- a/python/damask/_asciitable.py
+++ b/python/damask/_asciitable.py
@@ -385,38 +385,3 @@ class ASCIItable():
     self.data = np.loadtxt(self.__IO__['in'],usecols=use,ndmin=2)
 
     return labels_missing
-
-# ------------------------------------------------------------------
-  def data_write(self):
-    """Write current data array and report alive output back."""
-    if len(self.data) == 0: return True
-
-    if isinstance(self.data[0],list):
-      return self.output_write(['\t'.join(map(self._quote,items)) for items in self.data])
-    else:
-      return self.output_write( '\t'.join(map(self._quote,self.data)))
-
-# ------------------------------------------------------------------
-  def data_writeArray(self):
-    """Write whole numpy array data."""
-    for row in self.data:
-      try:
-        output = list(map(repr,row))
-      except Exception:
-        output = [repr(row)]
-
-      try:
-        self.__IO__['out'].write('\t'.join(output) + '\n')
-      except Exception:
-        pass
-
-# ------------------------------------------------------------------
-  def data_append(self,
-                  what):
-    if isinstance(what, str):
-      self.data += [what]
-    else:
-      try:
-        for item in what: self.data_append(item)
-      except TypeError:
-        self.data += [str(what)]
diff --git a/python/damask/_test.py b/python/damask/_test.py
index 5cadc9dfe..000b76e0e 100644
--- a/python/damask/_test.py
+++ b/python/damask/_test.py
@@ -316,12 +316,6 @@ class Test:
     return self.compare_Array(refName,curName)
 
 
-  def compare_ArrayCurCur(self,cur0,cur1):
-
-    cur0Name = self.fileInCurrent(cur0)
-    cur1Name = self.fileInCurrent(cur1)
-    return self.compare_Array(cur0Name,cur1Name)
-
   def compare_Table(self,headings0,file0,
                          headings1,file1,
                          normHeadings='',normType=None,