diff --git a/skimage/morphology/selem.py b/skimage/morphology/selem.py
index f2234ffb..41be0737 100644
--- a/skimage/morphology/selem.py
+++ b/skimage/morphology/selem.py
@@ -84,7 +84,7 @@ def diamond(radius, dtype=np.uint8):
        are 1 and 0 otherwise.
     """
     half = radius
-    (I, J) = np.meshgrid(xrange(0, radius * 2 + 1), xrange(0, radius * 2 + 1))
+    (I, J) = np.meshgrid(range(0, radius * 2 + 1), range(0, radius * 2 + 1))
     s = np.abs(I - half) + np.abs(J - half)
     return np.array(s <= radius, dtype=dtype)
 
diff --git a/skimage/segmentation/tests/test_felzenszwalb.py b/skimage/segmentation/tests/test_felzenszwalb.py
index ebda2a38..8a7abfc4 100644
--- a/skimage/segmentation/tests/test_felzenszwalb.py
+++ b/skimage/segmentation/tests/test_felzenszwalb.py
@@ -14,7 +14,7 @@ def test_grey():
     # we expect 4 segments:
     assert_equal(len(np.unique(seg)), 4)
     # that mostly respect the 4 regions:
-    for i in xrange(4):
+    for i in range(4):
         hist = np.histogram(img[seg == i], bins=[0, 0.1, 0.3, 0.5, 1])[0]
         assert_greater(hist[i], 40)
 
diff --git a/skimage/segmentation/tests/test_quickshift.py b/skimage/segmentation/tests/test_quickshift.py
index 5c6eb024..eebcaf0d 100644
--- a/skimage/segmentation/tests/test_quickshift.py
+++ b/skimage/segmentation/tests/test_quickshift.py
@@ -16,7 +16,7 @@ def test_grey():
     # we expect 4 segments:
     assert_equal(len(np.unique(seg)), 4)
     # that mostly respect the 4 regions:
-    for i in xrange(4):
+    for i in range(4):
         hist = np.histogram(img[seg == i], bins=[0, 0.1, 0.3, 0.5, 1])[0]
         assert_greater(hist[i], 20)