diff --git a/nvflare/apis/fl_constant.py b/nvflare/apis/fl_constant.py
index ded560bc1a..5fcb719788 100644
--- a/nvflare/apis/fl_constant.py
+++ b/nvflare/apis/fl_constant.py
@@ -162,7 +162,6 @@ class FLContextKey(object):
     RECONNECTED_CLIENT_NAME = "_reconnected_client_name"
     SITE_OBJ = "_site_obj_"
     JOB_LAUNCHER = "_job_launcher"
-    COMPONENTS = "_site_components_"
     SNAPSHOT = "job_snapshot"
 
     CLIENT_REGISTER_DATA = "_client_register_data"
diff --git a/nvflare/private/fed/app/client/client_train.py b/nvflare/private/fed/app/client/client_train.py
index d21ec0cb6e..7618622ad8 100644
--- a/nvflare/private/fed/app/client/client_train.py
+++ b/nvflare/private/fed/app/client/client_train.py
@@ -133,7 +133,6 @@ def main(args):
             fl_ctx.set_prop(FLContextKey.WORKSPACE_OBJECT, workspace, private=True)
             fl_ctx.set_prop(FLContextKey.ARGS, args, private=True, sticky=True)
             fl_ctx.set_prop(FLContextKey.SITE_OBJ, federated_client, private=True, sticky=True)
-            fl_ctx.set_prop(FLContextKey.COMPONENTS, conf.components, private=True, sticky=True)
 
             component_security_check(fl_ctx)
 
diff --git a/nvflare/private/fed/app/deployer/server_deployer.py b/nvflare/private/fed/app/deployer/server_deployer.py
index 6bd70c8992..de17259c0c 100644
--- a/nvflare/private/fed/app/deployer/server_deployer.py
+++ b/nvflare/private/fed/app/deployer/server_deployer.py
@@ -126,7 +126,6 @@ def deploy(self, args):
             fl_ctx.set_prop(FLContextKey.WORKSPACE_OBJECT, workspace, private=True)
             fl_ctx.set_prop(FLContextKey.ARGS, args, private=True, sticky=True)
             fl_ctx.set_prop(FLContextKey.SITE_OBJ, services, private=True, sticky=True)
-            fl_ctx.set_prop(FLContextKey.COMPONENTS, self.components, private=True, sticky=True)
             services.engine.fire_event(EventType.SYSTEM_BOOTSTRAP, fl_ctx)
 
             component_security_check(fl_ctx)