diff --git a/modules/json/array_del.c b/modules/json/array_del.c
index 77f370402cb..cb93507be0c 100644
--- a/modules/json/array_del.c
+++ b/modules/json/array_del.c
@@ -23,33 +23,26 @@
  * ---------
  *  2009-09-04  first version (andreidragus)
  *  2017-12-12  use opensips_json_c_helper.h (besser82)
+ *  2017-12-12  improve readability (besser82)
  */
 
 #include "opensips_json_c_helper.h"
 
-#if JSON_C_VERSION_NUM < JSON_C_VERSION_013
-void array_list_del_idx(struct array_list * arr, int idx)
+void json_object_array_del(struct json_object* obj, int idx)
 {
-	int i;
-
-	if(idx >= arr->length)
+#if JSON_C_VERSION_NUM >= JSON_C_VERSION_013
+	array_list_del_idx(json_object_get_array(obj), idx,
+		json_object_get_array(obj)->length);
+#else
+	if(idx >= obj->o.c_array->length)
 		return;
 
+	int i = 0;
 
-	arr->free_fn(arr->array[idx]);
-	arr->length--;
+	obj->o.c_array->free_fn(obj->o.c_array->array[idx]);
+	obj->o.c_array->length--;
 
-	for(i=idx; i<arr->length; i++)
-		arr->array[i]  = arr->array[i+1];
-};
-#endif
-
-void json_object_array_del(struct json_object* obj, int idx)
-{
-#if JSON_C_VERSION_NUM >= JSON_C_VERSION_013
-	struct array_list * arr = json_object_get_array(obj);
-	array_list_del_idx(arr, idx, arr->length);
-#else
-	array_list_del_idx(obj->o.c_array, idx);
+	for(i = idx; i < obj->o.c_array->length; i++)
+		obj->o.c_array->array[i] = obj->o.c_array->array[i+1];
 #endif
 };
diff --git a/modules/json/json.c b/modules/json/json.c
index a5c1942914f..3fe6c79f03f 100644
--- a/modules/json/json.c
+++ b/modules/json/json.c
@@ -94,7 +94,6 @@ char buff[JSON_FILE_BUF_SIZE];
 static int mod_init(void);
 static int child_init(int );
 static void mod_destroy(void);
-void json_object_array_del(struct json_object* , int );
 static int fixup_json_bind(void**, int );
 static int pv_set_json (struct sip_msg*,  pv_param_t*, int , pv_value_t* );
 static int pv_get_json (struct sip_msg*,  pv_param_t*, pv_value_t* );
diff --git a/modules/json/opensips_json_c_helper.h b/modules/json/opensips_json_c_helper.h
index c4584e38362..be566bd1c2b 100644
--- a/modules/json/opensips_json_c_helper.h
+++ b/modules/json/opensips_json_c_helper.h
@@ -73,4 +73,7 @@
 #define JSON_FILE_BUF_SIZE 4096
 #endif
 
+/* Declaration of helper functions. */
+void json_object_array_del(struct json_object* obj, int idx);
+
 #endif /* OPENSIPS_JSON_C_HELPER_H */