Remove deprecated `make_old_id` functions (#11360)

CHANGES

@@ -9,6 +9,8 @@ Incompatible changes
 
 * #11359: Remove long-deprecated aliases for ``MecabSplitter`` and
   ``DefaultSplitter`` in ``sphinx.search.ja``.
+* #11360: Remove deprecated ``make_old_id`` functions in domain object
+  description classes.
 
 Deprecated
 ----------

sphinx/domains/c.py

@@ -3312,14 +3312,6 @@ class CObject(ObjectDescription[ASTDeclaration]):
         self.env.temp_data['c:parent_symbol'] = self.oldParentSymbol
         self.env.ref_context['c:parent_key'] = self.oldParentKey
 
-    def make_old_id(self, name: str) -> str:
-        """Generate old styled node_id for C objects.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return 'c.' + name
-
 
 class CMemberObject(CObject):
     object_type = 'member'

sphinx/domains/javascript.py

@@ -207,14 +207,6 @@ class JSObject(ObjectDescription[Tuple[str, str]]):
         self.env.ref_context['js:object'] = (objects[-1] if len(objects) > 0
                                              else None)
 
-    def make_old_id(self, fullname: str) -> str:
-        """Generate old styled node_id for JS objects.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return fullname.replace('$', '_S_')
-
     def _toc_entry_name(self, sig_node: desc_signature) -> str:
         if not sig_node.get('_toc_parts'):
             return ''
@@ -321,14 +313,6 @@ class JSModule(SphinxDirective):
         ret.extend(content_node.children)
         return ret
 
-    def make_old_id(self, modname: str) -> str:
-        """Generate old styled node_id for JS modules.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return 'module-' + modname
-
 
 class JSXRefRole(XRefRole):
     def process_link(self, env: BuildEnvironment, refnode: Element,

sphinx/domains/python.py

@@ -1064,16 +1064,6 @@ class PyModule(SphinxDirective):
         ret.extend(content_node.children)
         return ret
 
-    def make_old_id(self, name: str) -> str:
-        """Generate old styled node_id.
-
-        Old styled node_id is incompatible with docutils' node_id.
-        It can contain dots and hyphens.
-
-        .. note:: Old styled node_id was mainly used until Sphinx-3.0.
-        """
-        return 'module-%s' % name
-
 
 class PyCurrentModule(SphinxDirective):
     """

sphinx/domains/rst.py

@@ -52,14 +52,6 @@ class ReSTMarkup(ObjectDescription[str]):
     def get_index_text(self, objectname: str, name: str) -> str:
         return ''
 
-    def make_old_id(self, name: str) -> str:
-        """Generate old styled node_id for reST markups.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return self.objtype + '-' + name
-
     def _object_hierarchy_parts(self, sig_node: desc_signature) -> tuple[str, ...]:
         if 'fullname' not in sig_node:
             return ()
@@ -193,14 +185,6 @@ class ReSTDirectiveOption(ReSTMarkup):
         else:
             return ''
 
-    def make_old_id(self, name: str) -> str:
-        """Generate old styled node_id for directive options.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return '-'.join([self.objtype, self.current_directive, name])
-
 
 class ReSTRole(ReSTMarkup):
     """

sphinx/domains/std.py

@@ -72,14 +72,6 @@ class GenericObject(ObjectDescription[str]):
         std = cast(StandardDomain, self.env.get_domain('std'))
         std.note_object(self.objtype, name, node_id, location=signode)
 
-    def make_old_id(self, name: str) -> str:
-        """Generate old styled node_id for generic objects.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return self.objtype + '-' + name
-
 
 class EnvVar(GenericObject):
     indextemplate = _('environment variable; %s')
@@ -144,14 +136,6 @@ class Target(SphinxDirective):
 
         return ret
 
-    def make_old_id(self, name: str) -> str:
-        """Generate old styled node_id for targets.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return self.name + '-' + name
-
 
 class Cmdoption(ObjectDescription[str]):
     """
@@ -228,11 +212,6 @@ class Cmdoption(ObjectDescription[str]):
             node_id = make_id(self.env, self.state.document, prefix, optname)
             signode['ids'].append(node_id)
 
-            old_node_id = self.make_old_id(prefix, optname)
-            if old_node_id not in self.state.document.ids and \
-               old_node_id not in signode['ids']:
-                signode['ids'].append(old_node_id)
-
         self.state.document.note_explicit_target(signode)
 
         domain = cast(StandardDomain, self.env.get_domain('std'))
@@ -249,14 +228,6 @@ class Cmdoption(ObjectDescription[str]):
             entry = '; '.join([descr, option])
             self.indexnode['entries'].append(('pair', entry, signode['ids'][0], '', None))
 
-    def make_old_id(self, prefix: str, optname: str) -> str:
-        """Generate old styled node_id for cmdoption.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return nodes.make_id(prefix + '-' + optname)
-
 
 class Program(SphinxDirective):
     """
@@ -515,14 +486,6 @@ class ProductionList(SphinxDirective):
             node.append(subnode)
         return [node]
 
-    def make_old_id(self, token: str) -> str:
-        """Generate old styled node_id for tokens.
-
-        .. note:: Old Styled node_id was used until Sphinx-3.0.
-                  This will be removed in Sphinx-5.0.
-        """
-        return nodes.make_id('grammar-token-' + token)
-
 
 class TokenXRefRole(XRefRole):
     def process_link(self, env: BuildEnvironment, refnode: Element, has_explicit_title: bool,