diff --git a/docs/json-persistence/json_group_configs.json b/docs/json-persistence/json_group_configs.json
index 0f1b977b..4c7c8ed6 100644
--- a/docs/json-persistence/json_group_configs.json
+++ b/docs/json-persistence/json_group_configs.json
@@ -2,21 +2,11 @@
     "group_configs_req": {
         "adapter_name": "modbus_tcp_adapter",
         "group_config_name": "config_modbus_tcp_sample_2",
-        "read_interval": 2000,
-        "datatag_names": [
-            "modbus1",
-            "modbus2",
-            "modbus3"
-        ]
+        "read_interval": 2000
     },
     "group_configs_resp": {
         "adapter_name": "modbus_tcp_adapter",
         "group_config_name": "config_modbus_tcp_sample_2",
-        "read_interval": 2000,
-        "datatag_names": [
-            "modbus1",
-            "modbus2",
-            "modbus3"
-        ]
+        "read_interval": 2000
     }
-}
\ No newline at end of file
+}
diff --git a/src/persist/json/json_group_configs.h b/src/persist/json/json_group_configs.h
index a090251b..049af9c9 100644
--- a/src/persist/json/json_group_configs.h
+++ b/src/persist/json/json_group_configs.h
@@ -31,16 +31,10 @@
 extern "C" {
 #endif
 
-typedef char *neu_json_group_configs_req_datatag_name_t;
-
-typedef char *neu_json_group_configs_resp_datatag_name_t;
-
 typedef struct {
-    char *                                     group_config_name;
-    char *                                     adapter_name;
-    int64_t                                    read_interval;
-    int                                        n_datatag_name;
-    neu_json_group_configs_req_datatag_name_t *datatag_names;
+    char *  group_config_name;
+    char *  adapter_name;
+    int64_t read_interval;
 } neu_json_group_configs_req_t;
 
 int  neu_json_decode_group_configs_req(char *                         buf,
@@ -48,11 +42,9 @@ int  neu_json_decode_group_configs_req(char *                         buf,
 void neu_json_decode_group_configs_req_free(neu_json_group_configs_req_t *req);
 
 typedef struct {
-    char *                                      group_config_name;
-    char *                                      adapter_name;
-    int64_t                                     read_interval;
-    int                                         n_datatag_name;
-    neu_json_group_configs_resp_datatag_name_t *datatag_names;
+    char *  group_config_name;
+    char *  adapter_name;
+    int64_t read_interval;
 } neu_json_group_configs_resp_t;
 
 int neu_json_encode_group_configs_resp(void *json_object, void *param);
diff --git a/src/persist/json_group_configs.c b/src/persist/json_group_configs.c
index 2ab3a52c..edf02427 100644
--- a/src/persist/json_group_configs.c
+++ b/src/persist/json_group_configs.c
@@ -22,7 +22,6 @@
  * It was automatically generated by `json-autotype`.
  */
 
-#include <jansson.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -58,37 +57,10 @@ int neu_json_decode_group_configs_req(char *                         buf,
     req->group_config_name = req_elems[1].v.val_str;
     req->adapter_name      = req_elems[2].v.val_str;
 
-    req->n_datatag_name = neu_json_decode_array_size(buf, "datatag_names");
-    req->datatag_names  = calloc(
-        req->n_datatag_name, sizeof(neu_json_group_configs_req_datatag_name_t));
-    neu_json_group_configs_req_datatag_name_t *p_datatag_name =
-        req->datatag_names;
-    for (int i = 0; i < req->n_datatag_name; i++) {
-        neu_json_elem_t datatag_name_elems[] = { {
-            .name = NULL,
-            .t    = NEU_JSON_STR,
-        } };
-        ret = neu_json_decode_array(buf, "datatag_names", i,
-                                    NEU_JSON_ELEM_SIZE(datatag_name_elems),
-                                    datatag_name_elems);
-        if (ret != 0) {
-            goto decode_fail;
-        }
-
-        *p_datatag_name = datatag_name_elems[0].v.val_str;
-        p_datatag_name++;
-    }
-
     *result = req;
     return ret;
 
 decode_fail:
-    if (req->datatag_names != NULL) {
-        free(req->datatag_names);
-    }
-    if (req->datatag_names != NULL) {
-        free(req->datatag_names);
-    }
     if (req != NULL) {
         free(req);
     }
@@ -98,15 +70,7 @@ decode_fail:
 void neu_json_decode_group_configs_req_free(neu_json_group_configs_req_t *req)
 {
 
-    neu_json_group_configs_req_datatag_name_t *p_datatag_name =
-        req->datatag_names;
-    for (int i = 0; i < req->n_datatag_name; i++) {
-        free(*p_datatag_name);
-        p_datatag_name++;
-    }
-
     free(req->group_config_name);
-    free(req->datatag_names);
     free(req->adapter_name);
 
     free(req);
@@ -114,25 +78,9 @@ void neu_json_decode_group_configs_req_free(neu_json_group_configs_req_t *req)
 
 int neu_json_encode_group_configs_resp(void *json_object, void *param)
 {
-    int ret = 0;
-
+    int                            ret = 0;
     neu_json_group_configs_resp_t *resp =
         (neu_json_group_configs_resp_t *) param;
-    void *datatag_name_array = json_array();
-
-    neu_json_group_configs_resp_datatag_name_t *p_datatag_names =
-        resp->datatag_names;
-    for (int i = 0; i < resp->n_datatag_name; i++) {
-        neu_json_elem_t datatag_name_elems = {
-            .name      = NULL,
-            .t         = NEU_JSON_STR,
-            .v.val_str = *p_datatag_names,
-        };
-
-        datatag_name_array = neu_json_encode_array_value(
-            datatag_name_array, &datatag_name_elems, 1);
-        p_datatag_names++;
-    }
 
     neu_json_elem_t resp_elems[] = { {
                                          .name      = "read_interval",
@@ -144,11 +92,6 @@ int neu_json_encode_group_configs_resp(void *json_object, void *param)
                                          .t         = NEU_JSON_STR,
                                          .v.val_str = resp->group_config_name,
                                      },
-                                     {
-                                         .name         = "datatag_names",
-                                         .t            = NEU_JSON_OBJECT,
-                                         .v.val_object = datatag_name_array,
-                                     },
                                      {
                                          .name      = "adapter_name",
                                          .t         = NEU_JSON_STR,