diff --git a/openair1/SIMULATION/LTE_PHY/ulsim.c b/openair1/SIMULATION/LTE_PHY/ulsim.c
index 0f98eb337a..d63bf95bd9 100644
--- a/openair1/SIMULATION/LTE_PHY/ulsim.c
+++ b/openair1/SIMULATION/LTE_PHY/ulsim.c
@@ -1533,7 +1533,7 @@ int main(int argc, char **argv) {
   }//ch realization
 
   oai_exit=1;
-  pthread_cond_signal(&ru->proc.cond_fep);
+  pthread_cond_signal(&ru->proc.cond_fep[0]);
 
   if (abstx) { // ABSTRACTION
     fprintf(csv_fdUL,"];");
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 43ac3fc145..fb15cc1c87 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -1063,7 +1063,6 @@ int main(int argc, char **argv)
   double blerStats[4][100];
   double berStats[4][100];
   double snrStats[100];
-  double ldpcDecStats[100] = {0};
   memset(errors_scrambling, 0, sizeof(uint32_t)*4*100);
   memset(n_errors, 0, sizeof(int)*4*100);
   memset(round_trials, 0, sizeof(int)*4*100);
@@ -1633,8 +1632,6 @@ int main(int argc, char **argv)
       printf("\n");
     }
 
-    ldpcDecStats[snrRun] = gNB->ulsch_decoding_stats.trials?inMicroS(gNB->ulsch_decoding_stats.diff/gNB->ulsch_decoding_stats.trials):0;
-
     if(n_trials==1)
       break;
 
diff --git a/targets/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c b/targets/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
index c9fc75d387..dd9414a44c 100644
--- a/targets/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
+++ b/targets/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
@@ -30,6 +30,9 @@
  * \warning 
  */
 
+// _GNU_SOURCE needed to have sched_getcpu() from sched.h
+#define _GNU_SOURCE
+
 #include <arpa/inet.h>
 #include <linux/if_packet.h>
 #include <stdio.h>
@@ -478,7 +481,7 @@ void *udp_read_thread(void *arg) {
       memcpy((void*)(device->openair0_cfg->rxbase[aid]+offset),
              (void*)&buffer[APP_HEADER_SIZE_BYTES],
              count-APP_HEADER_SIZE_BYTES);
-      LOG_D(PHY,"UDP read thread_id %d (%d), aid %d, TS %llu, TS0 %llu, offset %d\n",(int)u->thread_id,(int)sched_getcpu(),aid,(unsigned long long)TS,(unsigned long long)fhstate->TS0,offset);
+      LOG_D(PHY,"UDP read thread_id %d (%d), aid %d, TS %llu, TS0 %llu, offset %ld\n",(int)u->thread_id,(int)sched_getcpu(),aid,(unsigned long long)TS,(unsigned long long)fhstate->TS0,offset);
     }
     sleep(1);
   }
diff --git a/targets/RT/USER/lte-ru.c b/targets/RT/USER/lte-ru.c
index 67449b0e47..d1e9c6029c 100644
--- a/targets/RT/USER/lte-ru.c
+++ b/targets/RT/USER/lte-ru.c
@@ -503,8 +503,6 @@ void fh_if4p5_north_asynch_in(RU_t *ru,
 
 
 void fh_if5_north_out(RU_t *ru) {
-  RU_proc_t *proc=&ru->proc;
-  uint8_t seqno=0;
   /// **** send_IF5 of rxdata to BBU **** ///
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF5, 1 );
 //  send_IF5(ru, proc->timestamp_rx, proc->tti_rx, &seqno, IF5_RRH_GW_UL);