diff --git a/srsgnb/hdr/stack/ric/e2sm_kpm.h b/srsgnb/hdr/stack/ric/e2sm_kpm.h
index 57c5458a0..5ae9fb599 100644
--- a/srsgnb/hdr/stack/ric/e2sm_kpm.h
+++ b/srsgnb/hdr/stack/ric/e2sm_kpm.h
@@ -45,15 +45,21 @@ public:
 
   virtual void receive_e2_metrics_callback(const enb_metrics_t& m);
 
-  bool _get_meas_definition(std::string meas_name, E2SM_KPM_metric_t& def);
-  bool _extract_integer_type_meas_value(E2SM_KPM_meas_value_t& meas_value, const enb_metrics_t& enb_metrics);
-  bool _extract_real_type_meas_value(E2SM_KPM_meas_value_t& meas_value, const enb_metrics_t& enb_metrics);
-  srslog::basic_logger& logger;
+  friend class e2sm_kpm_report_service;
+  friend class e2sm_kpm_report_service_style1;
+  friend class e2sm_kpm_report_service_style2;
+  friend class e2sm_kpm_report_service_style3;
+  friend class e2sm_kpm_report_service_style4;
+  friend class e2sm_kpm_report_service_style5;
 
 private:
   bool _generate_indication_header(e2_sm_kpm_ind_hdr_s& hdr, srsran::unique_byte_buffer_t& buf);
   bool _generate_indication_message(e2_sm_kpm_ind_msg_s& msg, srsran::unique_byte_buffer_t& buf);
+  bool _get_meas_definition(std::string meas_name, E2SM_KPM_metric_t& def);
+  bool _extract_integer_type_meas_value(E2SM_KPM_meas_value_t& meas_value, const enb_metrics_t& enb_metrics);
+  bool _extract_real_type_meas_value(E2SM_KPM_meas_value_t& meas_value, const enb_metrics_t& enb_metrics);
 
+  srslog::basic_logger&                        logger;
   std::vector<E2SM_KPM_metric_t>               supported_meas_types;
   std::map<uint32_t, e2sm_kpm_report_service*> registered_actions_data;