diff --git a/skimage/util/_warnings.py b/skimage/_shared/_warnings.py
similarity index 100%
rename from skimage/util/_warnings.py
rename to skimage/_shared/_warnings.py
diff --git a/skimage/_shared/utils.py b/skimage/_shared/utils.py
index 980ff639..9148e7ff 100644
--- a/skimage/_shared/utils.py
+++ b/skimage/_shared/utils.py
@@ -4,8 +4,9 @@ import sys
 
 import six
 
+from ._warnings import all_warnings
 
-__all__ = ['deprecated', 'get_bound_method_class']
+__all__ = ['deprecated', 'get_bound_method_class', 'all_warnings']
 
 
 class skimage_deprecation(Warning):
diff --git a/skimage/util/__init__.py b/skimage/util/__init__.py
index 07712230..5577e46b 100644
--- a/skimage/util/__init__.py
+++ b/skimage/util/__init__.py
@@ -7,8 +7,6 @@ from .arraypad import pad
 from ._regular_grid import regular_grid
 from .unique import unique_rows
 
-from ._warnings import all_warnings
-
 
 __all__ = ['img_as_float',
            'img_as_int',
diff --git a/skimage/util/tests/test_shape.py b/skimage/util/tests/test_shape.py
index 8f4c4291..ee897e7c 100644
--- a/skimage/util/tests/test_shape.py
+++ b/skimage/util/tests/test_shape.py
@@ -3,7 +3,7 @@ from nose.tools import raises
 from numpy.testing import assert_equal, assert_warns
 
 from skimage.util.shape import view_as_blocks, view_as_windows
-from skimage.util import all_warnings
+from skimage._shared.utils import all_warnings
 
 
 @raises(TypeError)