diff --git a/MANIFEST.in b/MANIFEST.in
index de64feb9..eb884780 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,3 @@
-include cylc/uiserver/logging_config.json
 include cylc/uiserver/logo.svg
 include cylc/uiserver/py.typed
 recursive-include cylc/uiserver/ui/ *
diff --git a/cylc/uiserver/app.py b/cylc/uiserver/app.py
index e06e4d00..01fe74bf 100644
--- a/cylc/uiserver/app.py
+++ b/cylc/uiserver/app.py
@@ -293,22 +293,6 @@ class CylcUIServer(ExtensionApp):
             Takes effect on (re)start.
         '''
     )
-    logging_config = PathType(
-        config=True,
-        help='''
-            Set the path to a logging config JSON file.
-
-            This configures what gets logged where.
-
-            For more information on logging configuration see:
-            https://docs.python.org/3/library/logging.config.html
-
-            Currently only JSON format is supported.
-
-            If unspecified the default config located in
-            ``cylc/uiserver/logging_config.json`` will apply.
-        '''
-    )
     scan_interval = Float(
         config=True,
         help='''
@@ -378,10 +362,6 @@ def _get_ui_path(self):
 
         raise Exception(f'Could not find UI build in {ui_path}')
 
-    @default('logging_config')
-    def _default_logging_config(self):
-        return Path(Path(uis_pkg).parent / 'logging_config.json')
-
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.workflows_mgr = WorkflowsManager(self, log=self.log)
diff --git a/cylc/uiserver/logging_config.json b/cylc/uiserver/logging_config.json
deleted file mode 100644
index 32762add..00000000
--- a/cylc/uiserver/logging_config.json
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-  "logging": {
-    "version": 1,
-    "disable_existing_loggers": true,
-    "formatters": {
-      "basic": {
-        "format": "%(asctime)s %(name)-12s %(levelname)-8s %(message)s"
-      }
-    },
-    "handlers": {
-      "console": {
-        "level": "DEBUG",
-        "class": "logging.StreamHandler",
-        "formatter": "basic",
-        "stream" : "ext://sys.stdout"
-      }
-    },
-    "loggers": {
-      "tornado.access": {
-        "level": "WARN",
-        "handlers": ["console"],
-        "propagate": false
-      },
-      "tornado.application": {
-        "level": "WARN",
-        "handlers": ["console"],
-        "propagate": false
-      },
-      "cylc": {
-        "level": "INFO",
-        "handlers": ["console"],
-        "propagate": false
-      },
-      "cylc.uiserver": {
-        "level": "DEBUG",
-        "handlers": ["console"],
-        "propagate": false
-      }
-    },
-    "root": {
-      "handlers": ["console"],
-      "level": "WARN"
-    }
-  }
-}