diff --git a/openair1/PHY/INIT/nr_init.c b/openair1/PHY/INIT/nr_init.c
index ad92ae6c34..1615fc86f3 100644
--- a/openair1/PHY/INIT/nr_init.c
+++ b/openair1/PHY/INIT/nr_init.c
@@ -228,7 +228,6 @@ void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
 
   PHY_MEASUREMENTS_gNB *meas = &gNB->measurements;
   free_and_zero(meas->n0_subband_power);
-  free_and_zero(meas->n0_subband_power_dB);
 
   for (int id = 0; id < gNB->max_nb_srs; id++) {
     for(int i=0; i<MAX_NUM_NR_SRS_AP; i++) {
diff --git a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
index a14e903a3e..fc190c4542 100644
--- a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
+++ b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c
@@ -179,13 +179,7 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_sy
 
   allocCast2D(n0_subband_power,
               unsigned int,
-              gNB->measurements.n0_subband_power,
-              frame_parms->nb_antennas_rx,
-              frame_parms->N_RB_UL,
-              false);
-  allocCast2D(n0_subband_power_dB,
-              unsigned int,
-              gNB->measurements.n0_subband_power_dB,
+              measurements->n0_subband_power,
               frame_parms->nb_antennas_rx,
               frame_parms->N_RB_UL,
               false);
@@ -193,17 +187,15 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB, int slot, int first_symb, int num_sy
   for (int rb = 0 ; rb<frame_parms->N_RB_UL;rb++) {
     int32_t n0_subband_tot_perPRB=0;
     if (nb_symb[rb] > 0) {
-      for (int aarx=0;aarx<frame_parms->nb_antennas_rx;aarx++) {
+      for (int aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
         tmp_n0_subband[aarx][rb] /= nb_symb[rb];
         // apply exponential moving average to smooth noise measurements
         n0_subband_power[aarx][rb] = 0.9 * n0_subband_power[aarx][rb] + 0.1 * tmp_n0_subband[aarx][rb];
-        n0_subband_power_dB[aarx][rb] = dB_fixed(n0_subband_power[aarx][rb]);
         n0_subband_tot_perPRB += n0_subband_power[aarx][rb];
         n0_subband_tot_perANT[aarx] += n0_subband_power[aarx][rb];
       }
-      n0_subband_tot_perPRB/=frame_parms->nb_antennas_rx;
+      n0_subband_tot_perPRB /= frame_parms->nb_antennas_rx;
       measurements->n0_subband_power_tot_dB[rb] = dB_fixed(n0_subband_tot_perPRB);
-      measurements->n0_subband_power_tot_dBm[rb] = measurements->n0_subband_power_tot_dB[rb] - gNB->rx_total_gain_dB - dB_fixed(frame_parms->N_RB_UL);
       LOG_D(NR_PHY,"n0_subband_power_tot_dB[%d] => %d, over %d symbols\n",rb,measurements->n0_subband_power_tot_dB[rb],nb_symb[rb]);
       n0_subband_tot += n0_subband_tot_perPRB;
       nb_rb++;
diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h
index 46ba246dbe..62860283d9 100644
--- a/openair1/PHY/defs_gNB.h
+++ b/openair1/PHY/defs_gNB.h
@@ -340,16 +340,12 @@ typedef struct {
   unsigned int n0_power_tot_dB;
   //! estimated avg noise power per RB per RX ant (lin)
   fourDimArray_t *n0_subband_power;
-  //! estimated avg noise power per RB per RX ant (dB)
-  fourDimArray_t *n0_subband_power_dB;
   //! estimated avg subband noise power (dB)
   unsigned int n0_subband_power_avg_dB;
   //! estimated avg subband noise power per antenna (dB)
   unsigned int n0_subband_power_avg_perANT_dB[MAX_ANT];
   //! estimated avg noise power per RB (dB)
   int n0_subband_power_tot_dB[275];
-  //! estimated avg noise power per RB (dBm)
-  int n0_subband_power_tot_dBm[275];
   /// PRACH background noise level
   int prach_I0;
 } PHY_MEASUREMENTS_gNB;