diff --git a/bob/bio/base/algorithm/__init__.py b/bob/bio/base/algorithm/__init__.py
index d5e2f3fd6a94c926f0b65d8d6ef79328aa77be48..710306daf7e33664c989f92fcc23ccc1b05a7158 100644
--- a/bob/bio/base/algorithm/__init__.py
+++ b/bob/bio/base/algorithm/__init__.py
@@ -5,14 +5,6 @@ from .LDA import LDA
 from .PLDA import PLDA
 from .BIC import BIC
 
-# # to fix sphinx warnings of not being able to find classes, when path is shortened
-# Algorithm.__module__ = "bob.bio.base.algorithm"
-# Distance.__module__ = "bob.bio.base.algorithm"
-# PCA.__module__ = "bob.bio.base.algorithm"
-# LDA.__module__ = "bob.bio.base.algorithm"
-# PLDA.__module__ = "bob.bio.base.algorithm"
-# BIC.__module__ = "bob.bio.base.algorithm"
-
 # gets sphinx autodoc done right - don't remove it
 def __appropriate__(*args):
   """Says object was actually declared here, and not in the import module.
diff --git a/bob/bio/base/database/__init__.py b/bob/bio/base/database/__init__.py
index f0d04d6697c2f91cc6aa409a91e91d8bd21abed9..e0c15ef0577778483ad3ceb73d704fb25eb670e8 100644
--- a/bob/bio/base/database/__init__.py
+++ b/bob/bio/base/database/__init__.py
@@ -3,12 +3,6 @@ from .file import BioFileSet
 from .database import BioDatabase
 from .database import ZTBioDatabase
 
-# to fix sphinx warnings of not being able to find classes, when path is shortened
-BioFile.__module__ = "bob.bio.base.database"
-BioFileSet.__module__ = "bob.bio.base.database"
-BioDatabase.__module__ = "bob.bio.base.database"
-ZTBioDatabase.__module__ = "bob.bio.base.database"
-
 # gets sphinx autodoc done right - don't remove it
 def __appropriate__(*args):
   """Says object was actually declared here, and not in the import module.
diff --git a/bob/bio/base/extractor/__init__.py b/bob/bio/base/extractor/__init__.py
index e8aab1a33840f4145c85a466d9f48ef9b2c4afd8..7b55d4216a26ce981cc567022db2e8347096e263 100644
--- a/bob/bio/base/extractor/__init__.py
+++ b/bob/bio/base/extractor/__init__.py
@@ -1,10 +1,6 @@
 from .Extractor import Extractor
 from .Linearize import Linearize
 
-# to fix sphinx warnings of not being able to find classes, when path is shortened
-Extractor.__module__ = "bob.bio.base.extractor"
-Linearize.__module__ = "bob.bio.base.extractor"
-
 # gets sphinx autodoc done right - don't remove it
 def __appropriate__(*args):
   """Says object was actually declared here, and not in the import module.
diff --git a/bob/bio/base/preprocessor/__init__.py b/bob/bio/base/preprocessor/__init__.py
index 3f426657336da86df2f9037624bcf9b7000ab9b9..0f981ce2d483eb6ad0e4eaec1df18a09e0bfd5ac 100644
--- a/bob/bio/base/preprocessor/__init__.py
+++ b/bob/bio/base/preprocessor/__init__.py
@@ -1,10 +1,6 @@
 from .Preprocessor import Preprocessor
 from .Filename import Filename
 
-# to fix sphinx warnings of not being able to find classes, when path is shortened
-Preprocessor.__module__ = "bob.bio.base.preprocessor"
-Filename.__module__ = "bob.bio.base.preprocessor"
-
 # gets sphinx autodoc done right - don't remove it
 def __appropriate__(*args):
   """Says object was actually declared here, and not in the import module.