diff --git a/netbox/core/plugins.py b/netbox/core/plugins.py
index 328aedf2a..9fac88005 100644
--- a/netbox/core/plugins.py
+++ b/netbox/core/plugins.py
@@ -5,15 +5,14 @@ from dataclasses import dataclass, field
 from typing import Optional
 
 import requests
-from django.contrib import messages
 from django.conf import settings
 from django.core.cache import cache
-from django.utils.translation import gettext_lazy as _
 
 from netbox.plugins import PluginConfig
 from utilities.datetime import datetime_from_timestamp
 
 USER_AGENT_STRING = f'NetBox/{settings.RELEASE.version} {settings.RELEASE.edition}'
+CACHE_KEY_CATALOG_FEED = 'plugins-catalog-feed'
 
 
 @dataclass
@@ -69,11 +68,14 @@ class Plugin:
     installed_version: str = ''
 
 
-def get_local_plugins(plugins={}):
+def get_local_plugins(plugins=None):
     """
     Return a dictionary of all locally-installed plugins, mapped by name.
     """
+    plugins = plugins or {}
     local_plugins = {}
+
+    # Gather all locally-installed plugins
     for plugin_name in settings.PLUGINS:
         plugin = importlib.import_module(plugin_name)
         plugin_config: PluginConfig = plugin.config
@@ -88,6 +90,7 @@ def get_local_plugins(plugins={}):
             installed_version=plugin_config.version,
         )
 
+    # Update catalog entries for local plugins, or add them to the list if not listed
     for k, v in local_plugins.items():
         if k in plugins:
             plugins[k].is_local = True
@@ -196,11 +199,11 @@ def get_catalog_plugins():
 
         return plugins
 
-    catalog_plugins = cache.get('plugins-catalog-feed', default={})
+    catalog_plugins = cache.get(CACHE_KEY_CATALOG_FEED, default={})
     if not catalog_plugins:
         try:
             catalog_plugins = make_plugin_dict()
-            cache.set('plugins-catalog-feed', catalog_plugins, 3600)
+            cache.set(CACHE_KEY_CATALOG_FEED, catalog_plugins, 3600)
         except requests.exceptions.RequestException:
             pass
 
diff --git a/netbox/core/views.py b/netbox/core/views.py
index 9294e2040..5946cfa9a 100644
--- a/netbox/core/views.py
+++ b/netbox/core/views.py
@@ -651,18 +651,19 @@ class SystemView(UserPassesTestMixin, View):
 #
 
 class BasePluginView(UserPassesTestMixin, View):
+    CACHE_KEY_CATALOG_ERROR = 'plugins-catalog-error'
 
     def test_func(self):
         return self.request.user.is_staff
 
     def get_cached_plugins(self, request):
         catalog_plugins = {}
-        catalog_plugins_error = cache.get('plugins-catalog-error', default=False)
+        catalog_plugins_error = cache.get(self.CACHE_KEY_CATALOG_ERROR, default=False)
         if not catalog_plugins_error:
             catalog_plugins = get_catalog_plugins()
             if not catalog_plugins:
                 # Cache for 5 minutes to avoid spamming connection
-                cache.set('plugins-catalog-error', True, 300)
+                cache.set(self.CACHE_KEY_CATALOG_ERROR, True, 300)
                 messages.warning(request, _("Plugins catalog could not be loaded"))
 
         return get_local_plugins(catalog_plugins)