diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d7d51f93..62cc3387 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -20,6 +20,12 @@ Deprecated
   and ``hawkmoth.ext.napoleon`` extensions and the
   ``hawkmoth-process-docstring`` event.
 
+Removed
+~~~~~~~
+
+* ``hawkmoth --compat={none,javadoc-basic,javadoc-liberal,kernel-doc}`` option
+  from CLI
+
 Hawkmoth `0.18.0`_
 ------------------
 
diff --git a/src/hawkmoth/__main__.py b/src/hawkmoth/__main__.py
index 7b1dfc16..d225c505 100644
--- a/src/hawkmoth/__main__.py
+++ b/src/hawkmoth/__main__.py
@@ -14,7 +14,6 @@
 from hawkmoth.ext import javadoc
 from hawkmoth.ext import napoleon
 from hawkmoth.parser import parse
-from hawkmoth.util import doccompat
 
 def filename(file):
     if os.path.isfile(file):
@@ -31,11 +30,6 @@ def _process_docstring(transform, lines):
     if fn:
         fn(lines)
 
-def _process_docstring_compat(args, lines):
-    text = '\n'.join(lines)
-    text = doccompat.convert(text, transform=args.compat)
-    lines[:] = [line for line in text.splitlines()]
-
 def _read_version():
     try:
         with open(os.path.join(os.path.abspath(os.path.dirname(__file__)),
@@ -64,14 +58,6 @@ def main():
                             'napoleon',
                         ],
                         help='Process docstring.')
-    compat.add_argument('--compat',
-                        choices=[
-                            'none',
-                            'javadoc-basic',
-                            'javadoc-liberal',
-                            'kernel-doc'
-                        ],
-                        help='Compatibility options. See cautodoc_compat.')
     parser.add_argument('--clang', metavar='PARAM', action='append',
                         help='Argument to pass to Clang. May be specified multiple times. See cautodoc_clang.')  # noqa: E501
     parser.add_argument('--verbose', dest='verbose', action='store_true',
@@ -86,7 +72,7 @@ def main():
     if args.process_docstring:
         def process_docstring(lines): return _process_docstring(args.process_docstring, lines)
     else:
-        def process_docstring(lines): return _process_docstring_compat(args, lines)
+        process_docstring = None
 
     for comment in comments.walk():
         if args.verbose: