diff --git a/src/Mod/Arch/Dice3DS/dom3ds.py b/src/Mod/Arch/Dice3DS/dom3ds.py
index 900f647a08..1234edc465 100644
--- a/src/Mod/Arch/Dice3DS/dom3ds.py
+++ b/src/Mod/Arch/Dice3DS/dom3ds.py
@@ -20,8 +20,6 @@ import sys, struct
 
 import numpy
 
-# xrange is not available in python3
-xrange = range
 
 # Exceptions
 
@@ -393,11 +391,11 @@ class ChunkBase(object):
         for attr in self.single_order:
             self.out_chunk(attr,flo,indent,flags)
         for attr in self.multiple_order:
-            for i in xrange(len(getattr(self,attr))):
+            for i in range(len(getattr(self,attr))):
                 self.out_chunk_index(attr,i,flo,indent,flags)
         if self.freechunks:
             attr = "subchunks"
-            for i in xrange(len(self.subchunks)):
+            for i in range(len(self.subchunks)):
                 self.out_chunk_index(attr,i,flo,indent,flags)
 
     # Dump self to stream flo at a certain indentation
@@ -635,7 +633,7 @@ class MatrixChunk(ArrayChunk):
         super(MatrixChunk,self).dump_array(flo,indent,flags)
         if flags['arraylines'] == 0:
             return
-        for i in xrange(4):
+        for i in range(4):
             flo.write("%s    %12.4g%12.4g%12.4g%12.4g\n"
                       % (indent,self.array[i,0],self.array[i,1],
                          self.array[i,2],self.array[i,3]))
@@ -649,7 +647,7 @@ class TrackChunk(ChunkBase):
     struct = "short flags, long unused1, long unused2, long nkeys"
     def read_array(self,fbuf,flags):
         self.keys = []
-        for i in xrange(self.nkeys):
+        for i in range(self.nkeys):
             kf = self.Key()
             kf.frameno = self.get_long(fbuf,flags)
             kf.flags = self.get_short(fbuf,flags)
@@ -692,7 +690,7 @@ class TrackChunk(ChunkBase):
             n = self.nkeys
         else:
             n = min(flags['arraylines'],self.nkeys)
-        for i in xrange(n):
+        for i in range(n):
             kf = self.keys[i]
             flo.write("%skeys[0] = %s.Key\n" % (indent,self.label))
             flo.write("%s    frameno = %r\n" % (indent,kf.frameno))
@@ -1006,7 +1004,7 @@ class POINT_ARRAY(ArrayChunk):
             n = self.npoints
         else:
             n = min(flags['arraylines'],self.npoints)
-        for i in xrange(n):
+        for i in range(n):
             flo.write("%s    %12.4g%12.4g%12.4g\n"
                       % (indent,self.array[i,0],self.array[i,1],
                          self.array[i,2]))
@@ -1046,7 +1044,7 @@ class FACE_ARRAY(ArrayChunk):
             n = self.nfaces
         else:
             n = min(flags['arraylines'],self.nfaces)
-        for i in xrange(n):
+        for i in range(n):
             flo.write("%s    %10d%10d%10d%10d\n"
                       % (indent,self.array[i,0],self.array[i,1],
                          self.array[i,2],self.array[i,3]))
@@ -1070,7 +1068,7 @@ class MSH_MAT_GROUP(ArrayChunk):
             n = self.mfaces
         else:
             n = min(flags['arraylines'],self.mfaces)
-        for i in xrange(n):
+        for i in range(n):
             flo.write("%s    %10d\n" % (indent,self.array[i]))
         if n < self.mfaces:
             flo.write("%s            ...\n" % indent)
@@ -1095,7 +1093,7 @@ class TEX_VERTS(ArrayChunk):
             n = self.npoints
         else:
             n = min(flags['arraylines'],self.npoints)
-        for i in xrange(n):
+        for i in range(n):
             flo.write("%s    %12.4g%12.4g\n"
                       % (indent,self.array[i,0],self.array[i,1]))
         if n < self.npoints:
@@ -1117,7 +1115,7 @@ class SMOOTH_GROUP(ArrayChunk):
             n = len(self.array)
         else:
             n = min(flags['arraylines'],len(self.array))
-        for i in xrange(n):
+        for i in range(n):
             flo.write("%s    %10d\n" % (indent,self.array[i]))
         if n < len(self.array):
             flo.write("%s            ...\n" % indent)
diff --git a/src/Mod/Arch/Dice3DS/util.py b/src/Mod/Arch/Dice3DS/util.py
index 57b5523e1d..b623c73c67 100644
--- a/src/Mod/Arch/Dice3DS/util.py
+++ b/src/Mod/Arch/Dice3DS/util.py
@@ -8,8 +8,6 @@ Defines some routines for calculating normals and transforming points.
 
 import numpy
 
-# xrange is not available in python3
-xrange = range
 
 # Can push numpy.float64 (or even numpy.float80) into this if you
 # would like to use higher precision when calculating; results will be
@@ -151,7 +149,7 @@ def calculate_normals_by_cross_product(pointarray,facearray,smarray):
     rslice = numpy.empty((len(brs)+1,),numpy.int)
     rslice[:-1] = brs
     rslice[-1] = 3*m
-    for i in xrange(len(brs)+1):
+    for i in range(len(brs)+1):
         rgroup = lex[lslice[i]:rslice[i]]
         xgroup = exarray[rgroup]
         normpat = numpy.logical_or(
@@ -256,7 +254,7 @@ def calculate_normals_by_angle_subtended(pointarray,facearray,smarray):
     rslice = numpy.empty((len(brs)+1,),numpy.int)
     rslice[:-1] = brs
     rslice[-1] = 3*m
-    for i in xrange(len(brs)+1):
+    for i in range(len(brs)+1):
         rgroup = lex[lslice[i]:rslice[i]]
         xgroup = exarray[rgroup]
         normpat = numpy.logical_or(