diff --git a/src/overrides/hooks/translations.py b/src/overrides/hooks/translations.py
index 33a83ef22..882d51488 100644
--- a/src/overrides/hooks/translations.py
+++ b/src/overrides/hooks/translations.py
@@ -124,7 +124,7 @@ def on_page_markdown(markdown: str, *, page: Page, config: MkDocsConfig, files):
 # -----------------------------------------------------------------------------
 
 # Map ISO 639-1 (languages) to ISO 3166 (countries)
-countries = dict({
+countries = {
     "af": "za",
     "az": "az",
     "ar": "ae",
@@ -191,4 +191,4 @@ countries = dict({
     "zh": "cn",
     "zh-Hant": "cn",
     "zh-TW": "tw"
-})
+}
diff --git a/src/plugins/privacy/config.py b/src/plugins/privacy/config.py
index b5b6c29c3..de983b4fe 100644
--- a/src/plugins/privacy/config.py
+++ b/src/plugins/privacy/config.py
@@ -21,7 +21,7 @@
 import os
 
 from mkdocs.config.base import Config
-from mkdocs.config.config_options import Deprecated, DictOfItems, Type
+from mkdocs.config.config_options import DictOfItems, Type
 
 # -----------------------------------------------------------------------------
 # Classes
diff --git a/src/plugins/privacy/plugin.py b/src/plugins/privacy/plugin.py
index 5a4eefe77..779c67511 100644
--- a/src/plugins/privacy/plugin.py
+++ b/src/plugins/privacy/plugin.py
@@ -62,11 +62,11 @@ class PrivacyPlugin(BasePlugin[PrivacyConfig]):
 
         # Initialize collections of external assets
         self.assets = Files([])
-        self.assets_expr_map = dict({
+        self.assets_expr_map = {
             ".css": r"url\((\s*http?[^)]+)\)",
             ".js": r"[\"'](http[^\"']+\.(?:css|js(?:on)?))[\"']",
             **self.config.assets_expr_map
-        })
+        }
 
     # Process external style sheets and scripts (run latest) - run this after
     # all other plugins, so they can add additional assets
@@ -537,7 +537,7 @@ class PrivacyPlugin(BasePlugin[PrivacyConfig]):
 log = logging.getLogger("mkdocs.material.privacy")
 
 # Expected file extensions
-extensions = dict({
+extensions = {
     "application/javascript": ".js",
     "image/avif": ".avif",
     "image/gif": ".gif",
@@ -547,4 +547,4 @@ extensions = dict({
     "image/webp": ".webp",
     "text/javascript": ".js",
     "text/css": ".css"
-})
+}
diff --git a/src/plugins/search/plugin.py b/src/plugins/search/plugin.py
index 724de6e0a..22cd6d215 100644
--- a/src/plugins/search/plugin.py
+++ b/src/plugins/search/plugin.py
@@ -450,16 +450,15 @@ class Parser(HTMLParser):
                 return
 
         # Render opening tag if kept
-        if not self.skip.intersection(self.context):
-            if tag in self.keep:
+        if not self.skip.intersection(self.context) and tag in self.keep:
 
-                # Check whether we're inside the section title
-                data = self.section.text
-                if self.section.el in self.context:
-                    data = self.section.title
+            # Check whether we're inside the section title
+            data = self.section.text
+            if self.section.el in self.context:
+                data = self.section.title
 
-                # Append to section title or text
-                data.append(f"<{tag}>")
+            # Append to section title or text
+            data.append(f"<{tag}>")
 
     # Called at the end of every HTML tag
     def handle_endtag(self, tag):
@@ -488,29 +487,28 @@ class Parser(HTMLParser):
             return
 
         # Render closing tag if kept
-        if not self.skip.intersection(self.context):
-            if tag in self.keep:
+        if not self.skip.intersection(self.context) and tag in self.keep:
 
-                # Check whether we're inside the section title
-                data = self.section.text
-                if self.section.el in self.context:
-                    data = self.section.title
+            # Check whether we're inside the section title
+            data = self.section.text
+            if self.section.el in self.context:
+                data = self.section.title
 
-                # Search for corresponding opening tag
-                index = data.index(f"<{tag}>")
-                for i in range(index + 1, len(data)):
-                    if not data[i].isspace():
-                        index = len(data)
-                        break
+            # Search for corresponding opening tag
+            index = data.index(f"<{tag}>")
+            for i in range(index + 1, len(data)):
+                if not data[i].isspace():
+                    index = len(data)
+                    break
 
-                # Remove element if empty (or only whitespace)
-                if len(data) > index:
-                    while len(data) > index:
-                        data.pop()
+            # Remove element if empty (or only whitespace)
+            if len(data) > index:
+                while len(data) > index:
+                    data.pop()
 
-                # Append to section title or text
-                else:
-                    data.append(f"</{tag}>")
+            # Append to section title or text
+            else:
+                data.append(f"</{tag}>")
 
     # Called for the text contents of each tag
     def handle_data(self, data):
diff --git a/src/plugins/social/plugin.py b/src/plugins/social/plugin.py
index 3cdfa3ce2..c6ed29be4 100644
--- a/src/plugins/social/plugin.py
+++ b/src/plugins/social/plugin.py
@@ -491,7 +491,7 @@ log = logging.getLogger("mkdocs")
 log.addFilter(DuplicateFilter())
 
 # Color palette
-colors = dict({
+colors = {
     "red":         { "fill": "#ef5552", "text": "#ffffff" },
     "pink":        { "fill": "#e92063", "text": "#ffffff" },
     "purple":      { "fill": "#ab47bd", "text": "#ffffff" },
@@ -513,4 +513,4 @@ colors = dict({
     "blue-grey":   { "fill": "#546d78", "text": "#ffffff" },
     "black":       { "fill": "#000000", "text": "#ffffff" },
     "white":       { "fill": "#ffffff", "text": "#000000" }
-})
+}
diff --git a/src/plugins/tags/config.py b/src/plugins/tags/config.py
index f2d950845..2d388c268 100644
--- a/src/plugins/tags/config.py
+++ b/src/plugins/tags/config.py
@@ -18,12 +18,9 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
-from functools import partial
-from markdown.extensions.toc import slugify
 from mkdocs.config.config_options import Optional, Type
 from mkdocs.config.base import Config
 
-from . import casefold
 
 # -----------------------------------------------------------------------------
 # Classes