diff --git a/sphinx/writers/html.py b/sphinx/writers/html.py
index cf7ec2f03..5c6feaf7f 100644
--- a/sphinx/writers/html.py
+++ b/sphinx/writers/html.py
@@ -315,7 +315,7 @@ class HTMLTranslator(SphinxTranslator, BaseTranslator):
 
             if figure_id in self.builder.fignumbers.get(key, {}):
                 self.body.append('<span class="caption-number">')
-                prefix = self.builder.config.numfig_format.get(figtype)
+                prefix = self.config.numfig_format.get(figtype)
                 if prefix is None:
                     msg = __('numfig_format is not defined for %s') % figtype
                     logger.warning(msg)
@@ -439,14 +439,14 @@ class HTMLTranslator(SphinxTranslator, BaseTranslator):
         linenos = node.get('linenos', False)
         highlight_args = node.get('highlight_args', {})
         highlight_args['force'] = node.get('force', False)
-        if lang is self.builder.config.highlight_language:
+        if lang is self.config.highlight_language:
             # only pass highlighter options for original language
-            opts = self.builder.config.highlight_options
+            opts = self.config.highlight_options
         else:
             opts = {}
 
-        if linenos and self.builder.config.html_codeblock_linenos_style:
-            linenos = self.builder.config.html_codeblock_linenos_style
+        if linenos and self.config.html_codeblock_linenos_style:
+            linenos = self.config.html_codeblock_linenos_style
 
         highlighted = self.highlighter.highlight_block(
             node.rawsource, lang, opts=opts, linenos=linenos,
diff --git a/sphinx/writers/html5.py b/sphinx/writers/html5.py
index fafa125f8..b49d80bfa 100644
--- a/sphinx/writers/html5.py
+++ b/sphinx/writers/html5.py
@@ -286,7 +286,7 @@ class HTML5Translator(SphinxTranslator, BaseTranslator):
 
             if figure_id in self.builder.fignumbers.get(key, {}):
                 self.body.append('<span class="caption-number">')
-                prefix = self.builder.config.numfig_format.get(figtype)
+                prefix = self.config.numfig_format.get(figtype)
                 if prefix is None:
                     msg = __('numfig_format is not defined for %s') % figtype
                     logger.warning(msg)
@@ -390,14 +390,14 @@ class HTML5Translator(SphinxTranslator, BaseTranslator):
         linenos = node.get('linenos', False)
         highlight_args = node.get('highlight_args', {})
         highlight_args['force'] = node.get('force', False)
-        if lang is self.builder.config.highlight_language:
+        if lang is self.config.highlight_language:
             # only pass highlighter options for original language
-            opts = self.builder.config.highlight_options
+            opts = self.config.highlight_options
         else:
             opts = {}
 
-        if linenos and self.builder.config.html_codeblock_linenos_style:
-            linenos = self.builder.config.html_codeblock_linenos_style
+        if linenos and self.config.html_codeblock_linenos_style:
+            linenos = self.config.html_codeblock_linenos_style
 
         highlighted = self.highlighter.highlight_block(
             node.rawsource, lang, opts=opts, linenos=linenos,
diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index d5a28d87c..f5b782c66 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -523,7 +523,7 @@ class LaTeXTranslator(SphinxTranslator):
 
         ret = []
         # latex_domain_indices can be False/True or a list of index names
-        indices_config = self.builder.config.latex_domain_indices
+        indices_config = self.config.latex_domain_indices
         if indices_config:
             for domain in self.builder.env.domains.values():
                 for indexcls in domain.indices:
@@ -543,7 +543,7 @@ class LaTeXTranslator(SphinxTranslator):
 
     def render(self, template_name: str, variables: Dict) -> str:
         renderer = LaTeXRenderer(latex_engine=self.config.latex_engine)
-        for template_dir in self.builder.config.templates_path:
+        for template_dir in self.config.templates_path:
             template = path.join(self.builder.confdir, template_dir,
                                  template_name)
             if path.exists(template):
@@ -963,7 +963,7 @@ class LaTeXTranslator(SphinxTranslator):
         cell = self.table.cell()
         context = ''
         if cell.width > 1:
-            if self.builder.config.latex_use_latex_multicolumn:
+            if self.config.latex_use_latex_multicolumn:
                 if self.table.col == 0:
                     self.body.append('\\multicolumn{%d}{|l|}{%%\n' % cell.width)
                 else:
@@ -1543,7 +1543,7 @@ class LaTeXTranslator(SphinxTranslator):
             id = self.curfilestack[-1] + ':' + uri[1:]
             self.body.append(self.hyperlink(id))
             self.body.append(r'\emph{')
-            if self.builder.config.latex_show_pagerefs and not \
+            if self.config.latex_show_pagerefs and not \
                     self.in_production_list:
                 self.context.append('}}} (%s)' % self.hyperpageref(id))
             else:
@@ -1567,8 +1567,7 @@ class LaTeXTranslator(SphinxTranslator):
                 self.body.append(r'\sphinxtermref{')
             else:
                 self.body.append(r'\sphinxcrossref{')
-                if self.builder.config.latex_show_pagerefs and not \
-                   self.in_production_list:
+                if self.config.latex_show_pagerefs and not self.in_production_list:
                     self.context.append('}}} (%s)' % self.hyperpageref(id))
                 else:
                     self.context.append('}}}')
@@ -1752,9 +1751,9 @@ class LaTeXTranslator(SphinxTranslator):
             linenos = node.get('linenos', False)
             highlight_args = node.get('highlight_args', {})
             highlight_args['force'] = node.get('force', False)
-            if lang is self.builder.config.highlight_language:
+            if lang is self.config.highlight_language:
                 # only pass highlighter options for original language
-                opts = self.builder.config.highlight_options
+                opts = self.config.highlight_options
             else:
                 opts = {}
 
@@ -2018,12 +2017,12 @@ class LaTeXTranslator(SphinxTranslator):
         else:
             from sphinx.util.math import wrap_displaymath
             self.body.append(wrap_displaymath(node.astext(), label,
-                                              self.builder.config.math_number_all))
+                                              self.config.math_number_all))
         raise nodes.SkipNode
 
     def visit_math_reference(self, node: Element) -> None:
         label = "equation:%s:%s" % (node['docname'], node['target'])
-        eqref_format = self.builder.config.math_eqref_format
+        eqref_format = self.config.math_eqref_format
         if eqref_format:
             try:
                 ref = r'\ref{%s}' % label
@@ -2088,7 +2087,7 @@ class LaTeXTranslator(SphinxTranslator):
         warnings.warn('generate_numfig_format() is deprecated.',
                       RemovedInSphinx40Warning, stacklevel=2)
         ret = []  # type: List[str]
-        figure = self.builder.config.numfig_format['figure'].split('%s', 1)
+        figure = self.config.numfig_format['figure'].split('%s', 1)
         if len(figure) == 1:
             ret.append('\\def\\fnum@figure{%s}\n' % self.escape(figure[0]).strip())
         else:
@@ -2099,7 +2098,7 @@ class LaTeXTranslator(SphinxTranslator):
                        self.escape(figure[1]))
             ret.append('\\makeatother\n')
 
-        table = self.builder.config.numfig_format['table'].split('%s', 1)
+        table = self.config.numfig_format['table'].split('%s', 1)
         if len(table) == 1:
             ret.append('\\def\\fnum@table{%s}\n' % self.escape(table[0]).strip())
         else:
@@ -2110,7 +2109,7 @@ class LaTeXTranslator(SphinxTranslator):
                        self.escape(table[1]))
             ret.append('\\makeatother\n')
 
-        codeblock = self.builder.config.numfig_format['code-block'].split('%s', 1)
+        codeblock = self.config.numfig_format['code-block'].split('%s', 1)
         if len(codeblock) == 1:
             pass  # FIXME
         else:
diff --git a/sphinx/writers/manpage.py b/sphinx/writers/manpage.py
index 63a2060ca..9ef429ba3 100644
--- a/sphinx/writers/manpage.py
+++ b/sphinx/writers/manpage.py
@@ -296,8 +296,7 @@ class ManualPageTranslator(SphinxTranslator, BaseTranslator):
         if uri.startswith('mailto:') or uri.startswith('http:') or \
            uri.startswith('https:') or uri.startswith('ftp:'):
             # if configured, put the URL after the link
-            if self.builder.config.man_show_urls and \
-               node.astext() != uri:
+            if self.config.man_show_urls and node.astext() != uri:
                 if uri.startswith('mailto:'):
                     uri = uri[7:]
                 self.body.extend([
diff --git a/sphinx/writers/texinfo.py b/sphinx/writers/texinfo.py
index 5cdd0d6f4..69c8b12a7 100644
--- a/sphinx/writers/texinfo.py
+++ b/sphinx/writers/texinfo.py
@@ -233,12 +233,12 @@ class TexinfoTranslator(SphinxTranslator):
             'author': self.settings.author,
             # if empty, use basename of input file
             'filename': self.settings.texinfo_filename,
-            'release': self.escape(self.builder.config.release),
-            'project': self.escape(self.builder.config.project),
-            'copyright': self.escape(self.builder.config.copyright),
-            'date': self.escape(self.builder.config.today or
-                                format_date(self.builder.config.today_fmt or _('%b %d, %Y'),
-                                            language=self.builder.config.language))
+            'release': self.escape(self.config.release),
+            'project': self.escape(self.config.project),
+            'copyright': self.escape(self.config.copyright),
+            'date': self.escape(self.config.today or
+                                format_date(self.config.today_fmt or _('%b %d, %Y'),
+                                            language=self.config.language))
         })
         # title
         title = self.settings.title  # type: str
@@ -434,7 +434,7 @@ class TexinfoTranslator(SphinxTranslator):
         self.add_menu_entries(entries)
         if (node_name != 'Top' or
                 not self.node_menus[entries[0]] or
-                self.builder.config.texinfo_no_detailmenu):
+                self.config.texinfo_no_detailmenu):
             self.body.append('\n@end menu\n')
             return
 
@@ -484,7 +484,7 @@ class TexinfoTranslator(SphinxTranslator):
             ret.append('@end menu\n')
             return ''.join(ret)
 
-        indices_config = self.builder.config.texinfo_domain_indices
+        indices_config = self.config.texinfo_domain_indices
         if indices_config:
             for domain in self.builder.env.domains.values():
                 for indexcls in domain.indices:
@@ -739,7 +739,7 @@ class TexinfoTranslator(SphinxTranslator):
         else:
             uri = self.escape_arg(uri)
             name = self.escape_arg(name)
-            show_urls = self.builder.config.texinfo_show_urls
+            show_urls = self.config.texinfo_show_urls
             if self.in_footnote:
                 show_urls = 'inline'
             if not name or uri == name:
@@ -1395,9 +1395,8 @@ class TexinfoTranslator(SphinxTranslator):
         # use the full name of the objtype for the category
         try:
             domain = self.builder.env.get_domain(node.parent['domain'])
-            primary = self.builder.config.primary_domain
             name = domain.get_type_name(domain.object_types[objtype],
-                                        primary == domain.name)
+                                        self.config.primary_domain == domain.name)
         except (KeyError, ExtensionError):
             name = objtype
         # by convention, the deffn category should be capitalized like a title