diff --git a/taiga/mdrender/extensions/autolink.py b/taiga/mdrender/extensions/autolink.py
index e09898bf..1b662a27 100644
--- a/taiga/mdrender/extensions/autolink.py
+++ b/taiga/mdrender/extensions/autolink.py
@@ -37,7 +37,7 @@ class AutolinkExtension(markdown.Extension):
     * GitHub only accepts URLs with protocols or "www.", whereas Gruber's regex
       accepts things like "foo.com/bar".
     """
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         url_re = r'(?i)\b((?:(?:ftp|https?)://|www\d{0,3}[.])([^\s<>]+))'
         autolink = AutolinkPattern(url_re, md)
         md.inlinePatterns.add('gfm-autolink', autolink, '_end')
diff --git a/taiga/mdrender/extensions/automail.py b/taiga/mdrender/extensions/automail.py
index 7c98520c..8319a8d5 100644
--- a/taiga/mdrender/extensions/automail.py
+++ b/taiga/mdrender/extensions/automail.py
@@ -19,7 +19,7 @@ class AutomailPattern(markdown.inlinepatterns.Pattern):
 class AutomailExtension(markdown.Extension):
     """An extension that turns all email addresses into links."""
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         mail_re = r'\b(?i)([a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]+)\b'
         automail = AutomailPattern(mail_re, md)
         md.inlinePatterns.add('gfm-automail', automail, '_end')
diff --git a/taiga/mdrender/extensions/emojify.py b/taiga/mdrender/extensions/emojify.py
index 020ba329..d8872579 100644
--- a/taiga/mdrender/extensions/emojify.py
+++ b/taiga/mdrender/extensions/emojify.py
@@ -152,7 +152,7 @@ EMOJIS_SET = {
 
 class EmojifyExtension(Extension):
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         md.registerExtension(self)
         md.preprocessors.add('emojify',
                              EmojifyPreprocessor(md),
diff --git a/taiga/mdrender/extensions/mentions.py b/taiga/mdrender/extensions/mentions.py
index d4620449..2b8e88b1 100644
--- a/taiga/mdrender/extensions/mentions.py
+++ b/taiga/mdrender/extensions/mentions.py
@@ -30,7 +30,7 @@ from markdown.util import etree, AtomicString
 
 
 class MentionsExtension(Extension):
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         MENTION_RE = r"(@)([\w.-]+)"
         mentionsPattern = MentionsPattern(MENTION_RE)
         mentionsPattern.md = md
diff --git a/taiga/mdrender/extensions/references.py b/taiga/mdrender/extensions/references.py
index 6828c739..0457bbe2 100644
--- a/taiga/mdrender/extensions/references.py
+++ b/taiga/mdrender/extensions/references.py
@@ -36,7 +36,7 @@ class TaigaReferencesExtension(Extension):
         self.project = project
         return super().__init__(*args, **kwargs)
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         TAIGA_REFERENCE_RE = r'(?<=^|(?<=[^a-zA-Z0-9-\[]))#(\d+)'
         referencesPattern = TaigaReferencesPattern(TAIGA_REFERENCE_RE, self.project)
         referencesPattern.md = md
diff --git a/taiga/mdrender/extensions/semi_sane_lists.py b/taiga/mdrender/extensions/semi_sane_lists.py
index 3a6c4343..ae9a9c5a 100644
--- a/taiga/mdrender/extensions/semi_sane_lists.py
+++ b/taiga/mdrender/extensions/semi_sane_lists.py
@@ -28,6 +28,6 @@ class SemiSaneListExtension(markdown.Extension):
     newlines.
     """
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         md.parser.blockprocessors['olist'] = SemiSaneOListProcessor(md.parser)
         md.parser.blockprocessors['ulist'] = SemiSaneUListProcessor(md.parser)
diff --git a/taiga/mdrender/extensions/spaced_link.py b/taiga/mdrender/extensions/spaced_link.py
index 7c96dda9..d476f0d2 100644
--- a/taiga/mdrender/extensions/spaced_link.py
+++ b/taiga/mdrender/extensions/spaced_link.py
@@ -31,7 +31,7 @@ class SpacedLinkExtension(markdown.Extension):
     extension adds such support.
     """
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         md.inlinePatterns["link"] = \
             markdown.inlinepatterns.LinkPattern(SPACED_LINK_RE, md)
         md.inlinePatterns["reference"] = \
diff --git a/taiga/mdrender/extensions/strikethrough.py b/taiga/mdrender/extensions/strikethrough.py
index c9517225..3ee8467e 100644
--- a/taiga/mdrender/extensions/strikethrough.py
+++ b/taiga/mdrender/extensions/strikethrough.py
@@ -14,6 +14,6 @@ class StrikethroughExtension(markdown.Extension):
     For example: ``~~strike~~``.
     """
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         pattern = markdown.inlinepatterns.SimpleTagPattern(STRIKE_RE, 'del')
         md.inlinePatterns.add('gfm-strikethrough', pattern, '_end')
diff --git a/taiga/mdrender/extensions/target_link.py b/taiga/mdrender/extensions/target_link.py
index 1f12b66d..1b04b0b2 100644
--- a/taiga/mdrender/extensions/target_link.py
+++ b/taiga/mdrender/extensions/target_link.py
@@ -28,7 +28,7 @@ from taiga.front.templatetags.functions import resolve
 
 class TargetBlankLinkExtension(markdown.Extension):
     """An extension that add target="_blank" to all external links."""
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         md.treeprocessors.add("target_blank_links",
                               TargetBlankLinksTreeprocessor(md),
                               "<prettify")
diff --git a/taiga/mdrender/extensions/wikilinks.py b/taiga/mdrender/extensions/wikilinks.py
index 890ce3ca..930611bf 100644
--- a/taiga/mdrender/extensions/wikilinks.py
+++ b/taiga/mdrender/extensions/wikilinks.py
@@ -34,7 +34,7 @@ class WikiLinkExtension(Extension):
         self.project = project
         return super().__init__(*args, **kwargs)
 
-    def extendMarkdown(self, md, md_globals):
+    def extendMarkdown(self, md):
         WIKILINK_RE = r"\[\[([\w0-9_ -]+)(\|[^\]]+)?\]\]"
         md.inlinePatterns.add("wikilinks",
                               WikiLinksPattern(md, WIKILINK_RE, self.project),