diff --git a/skimage/segmentation/__init__.py b/skimage/segmentation/__init__.py
index a0fab77a..c3aa1afc 100644
--- a/skimage/segmentation/__init__.py
+++ b/skimage/segmentation/__init__.py
@@ -5,3 +5,15 @@ from ._quickshift import quickshift
 from .boundaries import find_boundaries, visualize_boundaries, mark_boundaries
 from ._clear_border import clear_border
 from ._join import join_segmentations, relabel_from_one
+
+
+__all__ = ['random_walker',
+           'felzenszwalb',
+           'slic',
+           'quickshift',
+           'find_boundaries',
+           'visualize_boundaries',
+           'mark_boundaries',
+           'clear_border',
+           'join_segmentations',
+           'relabel_from_one']