diff --git a/lib/galaxy/files/sources/__init__.py b/lib/galaxy/files/sources/__init__.py
index 553fe385a6f4..80745cd4d41a 100644
--- a/lib/galaxy/files/sources/__init__.py
+++ b/lib/galaxy/files/sources/__init__.py
@@ -275,7 +275,6 @@ def get_browsable(self) -> bool:
 
 
 class BaseFilesSource(FilesSource):
-    plugin_type: ClassVar[str]
     plugin_kind: ClassVar[PluginKind] = PluginKind.rfs  # Remote File Source by default, override in subclasses
 
     def get_browsable(self) -> bool: