diff --git a/namekoplus/chassis-agent/metric-configs/grafana.json.mako b/namekoplus/chassis-agent/metric-configs/grafana.json.mako
index 53f36de..99cfcdb 100644
--- a/namekoplus/chassis-agent/metric-configs/grafana.json.mako
+++ b/namekoplus/chassis-agent/metric-configs/grafana.json.mako
@@ -28,7 +28,7 @@
   "links": [],
   "liveNow": false,
   "panels": [
-%for grafana_dict in grafana_list:
+  % for grafana_dict in grafana_list:
     {
       "aliasColors": {},
       "bars": false,
@@ -115,12 +115,8 @@
       "yaxis": {
         "align": false
       }
-  %if ${grafana_dict['is_last']} == '1':
-    }
-  %else:
     },
-  %endif
-%endfor
+  % endfor
   ],
   "refresh": "3s",
   "schemaVersion": 36,
diff --git a/namekoplus/command.py b/namekoplus/command.py
index 3411786..366e5c5 100644
--- a/namekoplus/command.py
+++ b/namekoplus/command.py
@@ -367,11 +367,6 @@ def metric_config_gen(module, class_name_str):
             for config in config_list:
                 if config['class_name'] == class_name:
                     grafana_list.append(config)
-            for idx, grafana_dict in enumerate(grafana_list):
-                if idx + 1 == len(grafana_list):
-                    grafana_dict['is_last'] = '1'
-                else:
-                    grafana_dict['is_last'] = '0'
             grafana_configs_dir = os.path.join(get_directory('chassis-agent'), 'metric-configs')
             grafana_file_path = os.path.join(grafana_configs_dir, 'grafana.json.mako')
             output_file = os.path.join('grafana_dashboards', f'{class_name}_Grafana.json')
diff --git a/setup.py b/setup.py
index 4817d89..7811a52 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ with open(path.join(here, 'README.md'), encoding='utf-8') as f:
 
 setup(
     name='namekoplus',
-    version='0.4.21',
+    version='0.4.22',
     description='A lightweight Python distributed microservice solution',
     long_description=long_description,
     long_description_content_type='text/markdown',