diff --git a/lib/Docs/RST/RSTCopier.php b/lib/Docs/RST/RSTCopier.php
index 81a50a69..d70d2180 100644
--- a/lib/Docs/RST/RSTCopier.php
+++ b/lib/Docs/RST/RSTCopier.php
@@ -112,7 +112,6 @@ private function fixRSTSyntax(Project $project, string $content): string
         $content = str_replace('.. Note::', '.. note::', $content);
 
         // fix :maxdepth: to :depth:
-        $content = str_replace(':maxdepth:', ':depth:', $content);
         $content = str_replace('toctree::', 'menu::', $content);
 
         // get rid of .. include:: toc.rst
@@ -141,9 +140,6 @@ private function fixRSTSyntax(Project $project, string $content): string
 
         assert(is_string($content));
 
-        // replace .. code:: with .. code-block::
-        $content = str_replace('.. code::', '.. code-block::', $content);
-
         // fix list syntax
         $content = str_replace("\n- \n", "\n- ", $content);
 
@@ -176,11 +172,6 @@ private function fixRSTSyntax(Project $project, string $content): string
             $content = str_replace('.. sidebar::', '', $content);
         }
 
-        // we don't support :term:`*` syntax
-        $content = preg_replace('/:term:`(.*)`/', '$1', $content);
-
-        assert(is_string($content));
-
         return $content;
     }