diff --git a/nvflare/apis/fl_constant.py b/nvflare/apis/fl_constant.py
index c76c2f70b9..1bb7f851cd 100644
--- a/nvflare/apis/fl_constant.py
+++ b/nvflare/apis/fl_constant.py
@@ -360,7 +360,6 @@ class SiteType:
 class SystemConfigs:
     STARTUP_CONF = "start_config"
     RESOURCES_CONF = "resources_config"
-    APPLICATION_CONF = "application_config"
 
 
 class SecureTrainConst:
diff --git a/nvflare/private/fed/client/client_json_config.py b/nvflare/private/fed/client/client_json_config.py
index a5e2cac29f..0aa0acd901 100644
--- a/nvflare/private/fed/client/client_json_config.py
+++ b/nvflare/private/fed/client/client_json_config.py
@@ -12,12 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import re
 
 from nvflare.apis.executor import Executor
 from nvflare.apis.fl_component import FLComponent
-from nvflare.apis.fl_constant import SystemConfigs
 from nvflare.fuel.utils.argument_utils import parse_vars
 from nvflare.fuel.utils.config_service import ConfigService
 from nvflare.fuel.utils.json_scanner import Node
@@ -142,7 +140,7 @@ def finalize_config(self, config_ctx: ConfigContext):
         )
 
         ConfigService.initialize(
-            section_files={SystemConfigs.APPLICATION_CONF: os.path.basename(self.config_files[0])},
+            section_files={},
             config_path=[self.args.workspace],
             parsed_args=self.args,
             var_dict=self.cmd_vars,
diff --git a/nvflare/private/fed/server/server_json_config.py b/nvflare/private/fed/server/server_json_config.py
index d2771054dd..f1fb36738b 100644
--- a/nvflare/private/fed/server/server_json_config.py
+++ b/nvflare/private/fed/server/server_json_config.py
@@ -12,11 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import re
 
 from nvflare.apis.fl_component import FLComponent
-from nvflare.apis.fl_constant import SystemConfigs
 from nvflare.apis.responder import Responder
 from nvflare.fuel.utils.argument_utils import parse_vars
 from nvflare.fuel.utils.config_service import ConfigService
@@ -161,7 +159,7 @@ def finalize_config(self, config_ctx: ConfigContext):
         )
 
         ConfigService.initialize(
-            section_files={SystemConfigs.APPLICATION_CONF: os.path.basename(self.config_files[0])},
+            section_files={},
             config_path=[self.args.workspace],
             parsed_args=self.args,
             var_dict=self.cmd_vars,