diff --git a/skimage/feature/brief.py b/skimage/feature/brief.py
index cc926113..d1626f17 100644
--- a/skimage/feature/brief.py
+++ b/skimage/feature/brief.py
@@ -71,7 +71,7 @@ class BRIEF(DescriptorExtractor):
            [0, 0, 1, 1, 1, 1, 0, 0],
            [0, 0, 1, 1, 1, 1, 0, 0],
            [0, 0, 0, 0, 0, 0, 0, 0],
-           [0, 0, 0, 0, 0, 0, 0, 0]], dtype=np.int32)
+           [0, 0, 0, 0, 0, 0, 0, 0]], dtype=int32)
     >>> square2 = np.zeros((9, 9), dtype=np.int32)
     >>> square2[2:7, 2:7] = 1
     >>> square2
@@ -83,7 +83,7 @@ class BRIEF(DescriptorExtractor):
            [0, 0, 1, 1, 1, 1, 1, 0, 0],
            [0, 0, 1, 1, 1, 1, 1, 0, 0],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
-           [0, 0, 0, 0, 0, 0, 0, 0, 0]], dtype=np.int32)
+           [0, 0, 0, 0, 0, 0, 0, 0, 0]], dtype=int32)
     >>> keypoints1 = corner_peaks(corner_harris(square1), min_distance=1)
     >>> keypoints2 = corner_peaks(corner_harris(square2), min_distance=1)
     >>> extractor = BRIEF(patch_size=5)
diff --git a/skimage/segmentation/random_walker_segmentation.py b/skimage/segmentation/random_walker_segmentation.py
index f5b265a2..bcb57739 100644
--- a/skimage/segmentation/random_walker_segmentation.py
+++ b/skimage/segmentation/random_walker_segmentation.py
@@ -332,7 +332,7 @@ def random_walker(data, labels, beta=130, mode='bf', tol=1.e-3, copy=True,
            [1, 1, 1, 1, 1, 2, 2, 2, 1, 1],
            [1, 1, 1, 1, 1, 2, 2, 2, 1, 1],
            [1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
-           [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]])
+           [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]], dtype=int32)
 
     """
     # Parse input data