diff --git a/bitbake/lib/bb/event.py b/bitbake/lib/bb/event.py
index 6d8493b175..eb5cd04597 100644
--- a/bitbake/lib/bb/event.py
+++ b/bitbake/lib/bb/event.py
@@ -616,14 +616,6 @@ class FilesMatchingFound(Event):
         self._pattern = pattern
         self._matches = matches
 
-class CoreBaseFilesFound(Event):
-    """
-    Event when a list of appropriate config files has been generated
-    """
-    def __init__(self, paths):
-        Event.__init__(self)
-        self._paths = paths
-
 class ConfigFilesFound(Event):
     """
     Event when a list of appropriate config files has been generated
@@ -694,19 +686,6 @@ class LogHandler(logging.Handler):
         record.taskpid = worker_pid
         return True
 
-class RequestPackageInfo(Event):
-    """
-    Event to request package information
-    """
-
-class PackageInfo(Event):
-    """
-    Package information for GUI
-    """
-    def __init__(self, pkginfolist):
-        Event.__init__(self)
-        self._pkginfolist = pkginfolist
-
 class MetadataEvent(Event):
     """
     Generic event that target for OE-Core classes