diff --git a/doc/__init__.py b/doc/__init__.py
index 10b6fb15..e69de29b 100644
--- a/doc/__init__.py
+++ b/doc/__init__.py
@@ -1 +0,0 @@
-__author__ = 'olivier'
diff --git a/skimage/filter/rank/bilateral_rank.py b/skimage/filter/rank/bilateral_rank.py
index ff4e7878..dd2942b4 100644
--- a/skimage/filter/rank/bilateral_rank.py
+++ b/skimage/filter/rank/bilateral_rank.py
@@ -81,7 +81,6 @@ def bilateral_mean(image, selem, out=None, mask=None, shift_x=False, shift_y=Fal
 
     Examples
     --------
-    to be updated
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -147,7 +146,6 @@ def bilateral_pop(image, selem, out=None, mask=None, shift_x=False, shift_y=Fals
 
     Examples
     --------
-    to be updated
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
diff --git a/skimage/filter/rank/percentile_rank.py b/skimage/filter/rank/percentile_rank.py
index 5191bec4..3817e1cd 100644
--- a/skimage/filter/rank/percentile_rank.py
+++ b/skimage/filter/rank/percentile_rank.py
@@ -73,7 +73,6 @@ def percentile_autolevel(image, selem, out=None, mask=None, shift_x=False, shift
 
     Examples
     --------
-    to be updated
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -139,7 +138,7 @@ def percentile_gradient(image, selem, out=None, mask=None, shift_x=False, shift_
 
     Examples
     --------
-    to be updated
+    
     >>> # Local gradient
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -205,7 +204,7 @@ def percentile_mean(image, selem, out=None, mask=None, shift_x=False, shift_y=Fa
 
     Examples
     --------
-    to be updated
+    
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -271,7 +270,7 @@ def percentile_mean_substraction(image, selem, out=None, mask=None, shift_x=Fals
 
     Examples
     --------
-    to be updated
+    
     >>> # Local mean_substraction
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -337,7 +336,7 @@ def percentile_morph_contr_enh(image, selem, out=None, mask=None, shift_x=False,
 
     Examples
     --------
-    to be updated
+    
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -403,7 +402,7 @@ def percentile(image, selem, out=None, mask=None, shift_x=False, shift_y=False,
 
     Examples
     --------
-    to be updated
+    
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -470,7 +469,7 @@ def percentile_pop(image, selem, out=None, mask=None, shift_x=False, shift_y=Fal
 
     Examples
     --------
-    to be updated
+    
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -536,7 +535,7 @@ def percentile_threshold(image, selem, out=None, mask=None, shift_x=False, shift
 
     Examples
     --------
-    to be updated
+    
     >>> # Local mean
     >>> from skimage.morphology import square
     >>> import skimage.filter.rank as rank
@@ -572,9 +571,3 @@ def percentile_threshold(image, selem, out=None, mask=None, shift_x=False, shift
         shift_x=shift_x, shift_y=shift_y, p0=p0, p1=p1)
 
 
-if __name__ == "__main__":
-    import sys
-    sys.path.append('.')
-
-    import doctest
-    doctest.testmod(verbose=True)