diff --git a/skimage/filter/rank/__init__.py b/skimage/filter/rank/__init__.py
index cfd034f1..04a4b854 100644
--- a/skimage/filter/rank/__init__.py
+++ b/skimage/filter/rank/__init__.py
@@ -1,10 +1,10 @@
 from .generic import (autolevel, bottomhat, equalize, gradient, maximum, mean,
                       subtract_mean, median, minimum, modal, enhance_contrast,
                       pop, threshold, tophat, noise_filter, entropy, otsu)
-from .percentile import (autolevel_percentile, gradient_percentile,
-                         mean_percentile, subtract_mean_percentile,
-                         enhance_contrast_percentile, percentile,
-                         pop_percentile, threshold_percentile)
+from ._percentile import (autolevel_percentile, gradient_percentile,
+                          mean_percentile, subtract_mean_percentile,
+                          enhance_contrast_percentile, percentile,
+                          pop_percentile, threshold_percentile)
 from .bilateral import mean_bilateral, pop_bilateral
 
 from skimage._shared.utils import deprecated
diff --git a/skimage/filter/rank/percentile.py b/skimage/filter/rank/_percentile.py
similarity index 100%
rename from skimage/filter/rank/percentile.py
rename to skimage/filter/rank/_percentile.py