diff --git a/pubmed_parser/medline_parser.py b/pubmed_parser/medline_parser.py
index 31a469e..a431f91 100644
--- a/pubmed_parser/medline_parser.py
+++ b/pubmed_parser/medline_parser.py
@@ -9,8 +9,6 @@
 from collections import defaultdict
 from pubmed_parser.utils import read_xml, stringify_children, month_or_day_formater
 
-__all__ = ["parse_medline_xml",  "parse_grant_id", "split_mesh"]
-
 
 def parse_pmid(pubmed_article):
     """
diff --git a/pubmed_parser/pubmed_oa_parser.py b/pubmed_parser/pubmed_oa_parser.py
index 156352a..21217ac 100644
--- a/pubmed_parser/pubmed_oa_parser.py
+++ b/pubmed_parser/pubmed_oa_parser.py
@@ -7,14 +7,6 @@
 from .utils import read_xml, stringify_affiliation_rec, stringify_children
 from unidecode import unidecode
 
-__all__ = [
-    "list_xml_path",
-    "parse_pubmed_xml",
-    "parse_pubmed_paragraph",
-    "parse_pubmed_references",
-    "parse_pubmed_caption",
-]
-
 
 def list_xml_path(path_dir):
     """
diff --git a/pubmed_parser/pubmed_web_parser.py b/pubmed_parser/pubmed_web_parser.py
index 6227b12..97df0af 100644
--- a/pubmed_parser/pubmed_web_parser.py
+++ b/pubmed_parser/pubmed_web_parser.py
@@ -12,8 +12,6 @@
     from urllib2 import urlopen
 from .utils import stringify_children
 
-__all__ = ["parse_xml_web", "parse_citation_web", "parse_outgoing_citation_web"]
-
 
 def load_xml(pmid, sleep=None):
     """