diff --git a/srsue/hdr/stack/mac/proc_ra.h b/srsue/hdr/stack/mac/proc_ra.h
index 2292cae01..e985e9436 100644
--- a/srsue/hdr/stack/mac/proc_ra.h
+++ b/srsue/hdr/stack/mac/proc_ra.h
@@ -50,7 +50,6 @@ public:
     current_ta                = 0;
     state                     = IDLE;
     last_msg3_group           = RA_GROUP_A;
-    msg3_transmitted          = false;
     phy_h                     = NULL;
     log_h                     = NULL;
     mux_unit                  = NULL;
@@ -149,7 +148,6 @@ private:
   typedef enum { RA_GROUP_A, RA_GROUP_B } ra_group_t;
 
   ra_group_t last_msg3_group;
-  bool       msg3_transmitted;
 
   uint32_t rar_window_st;
 
diff --git a/srsue/src/stack/mac/proc_ra.cc b/srsue/src/stack/mac/proc_ra.cc
index cd973c063..b27dc4f3b 100644
--- a/srsue/src/stack/mac/proc_ra.cc
+++ b/srsue/src/stack/mac/proc_ra.cc
@@ -80,7 +80,6 @@ ra_proc::~ra_proc() {
 
 void ra_proc::reset() {
   state = IDLE;
-  msg3_transmitted = false;
   started_by_pdcch = false;
   contention_resolution_timer->stop();
   contention_resolution_timer->reset();
@@ -264,7 +263,7 @@ void ra_proc::resource_selection()
     sel_preamble = (uint32_t) preambleIndex;
   } else {
     // Preamble is chosen by MAC UE
-    if (!msg3_transmitted) {
+    if (!mux_unit->msg3_is_transmitted()) {
       if (nof_groupB_preambles &&
           new_ra_msg_len > rach_cfg.messageSizeGroupA) { // Check also pathloss (Pcmax,deltaPreamble and powerOffset)
         sel_group = RA_GROUP_B; 
@@ -496,7 +495,6 @@ void ra_proc::complete()
 
   mux_unit->msg3_flush();
 
-  msg3_transmitted = false;
   if (ra_is_ho) {
     rrc->ho_ra_completed(true);
   }