diff --git a/targets/RT/USER/lte-ru.c b/targets/RT/USER/lte-ru.c
index f81626f929..dea8c7a2b5 100644
--- a/targets/RT/USER/lte-ru.c
+++ b/targets/RT/USER/lte-ru.c
@@ -2731,11 +2731,6 @@ void init_RU(char *rf_config_file,
     else
       ru->generate_dmrs_sync = 0;
 
-    if (ru->generate_dmrs_sync == 1) {
-      generate_ul_ref_sigs();
-      ru->dmrssync = (int16_t *)malloc16_clear(ru->frame_parms->ofdm_symbol_size*2*sizeof(int16_t));
-    }
-
     ru->wakeup_L1_sleeptime = 2000;
     ru->wakeup_L1_sleep_cnt_max  = 3;