diff --git a/openair2/LAYER2/NR_MAC_UE/mac_proto.h b/openair2/LAYER2/NR_MAC_UE/mac_proto.h
index f762665711..90d3ae5580 100644
--- a/openair2/LAYER2/NR_MAC_UE/mac_proto.h
+++ b/openair2/LAYER2/NR_MAC_UE/mac_proto.h
@@ -427,20 +427,6 @@ void nr_ue_msg3_scheduler(NR_UE_MAC_INST_t *mac,
                           sub_frame_t current_slot,
                           uint8_t Msg3_tda_id);
 
-/* \brief Function called by PHY to process the received RAR and check that the preamble matches what was sent by the gNB. It provides the timing advance and t-CRNTI.
-@param Mod_id Index of UE instance
-@param CC_id Index to a component carrier
-@param frame Frame index
-@param ra_rnti RA_RNTI value
-@param dlsch_buffer  Pointer to dlsch_buffer containing RAR PDU
-@param t_crnti Pointer to PHY variable containing the T_CRNTI
-@param preamble_index Preamble Index used by PHY to transmit the PRACH.  This should match the received RAR to trigger the rest of
-random-access procedure
-@param selected_rar_buffer the output buffer for storing the selected RAR header and RAR payload
-@returns timing advance or 0xffff if preamble doesn't match
-*/
-int nr_ue_process_rar(nr_downlink_indication_t *dl_info, int pdu_id);
-
 void nr_ue_contention_resolution(module_id_t module_id, int cc_id, frame_t frame, int slot, NR_PRACH_RESOURCES_t *prach_resources);
 
 void nr_ra_failed(uint8_t mod_id, uint8_t CC_id, NR_PRACH_RESOURCES_t *prach_resources, frame_t frame, int slot);
diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
index c29d17d287..1474894639 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
@@ -89,6 +89,21 @@ static const int sequence_cyclic_shift_2_harq_ack_bits[4]
 /*        HARQ-ACK Value       (0,0)  (0,1)  (1,0)  (1,1) */
 /* Sequence cyclic shift */ = {   0,     3,     9,     6 };
 
+/* \brief Function called by PHY to process the received RAR and check that the preamble matches what was sent by the gNB. It
+provides the timing advance and t-CRNTI.
+@param Mod_id Index of UE instance
+@param CC_id Index to a component carrier
+@param frame Frame index
+@param ra_rnti RA_RNTI value
+@param dlsch_buffer  Pointer to dlsch_buffer containing RAR PDU
+@param t_crnti Pointer to PHY variable containing the T_CRNTI
+@param preamble_index Preamble Index used by PHY to transmit the PRACH.  This should match the received RAR to trigger the rest of
+random-access procedure
+@param selected_rar_buffer the output buffer for storing the selected RAR header and RAR payload
+@returns timing advance or 0xffff if preamble doesn't match
+*/
+static int nr_ue_process_rar(nr_downlink_indication_t *dl_info, int pdu_id);
+
 int get_pucch0_mcs(const int O_ACK, const int O_SR, const int ack_payload, const int sr_payload)
 {
   int mcs = 0;
@@ -3951,7 +3966,7 @@ int nr_write_ce_ulsch_pdu(uint8_t *mac_ce,
 // - b buffer
 // - ulsch power offset
 // - optimize: mu_pusch, j and table_6_1_2_1_1_2_time_dom_res_alloc_A are already defined in nr_ue_procedures
-int nr_ue_process_rar(nr_downlink_indication_t *dl_info, int pdu_id)
+static int nr_ue_process_rar(nr_downlink_indication_t *dl_info, int pdu_id)
 {
   module_id_t mod_id       = dl_info->module_id;
   frame_t frame            = dl_info->frame;