diff --git a/srsue/hdr/phy/phy.h b/srsue/hdr/phy/phy.h
index 7c0174f28..48430c9f1 100644
--- a/srsue/hdr/phy/phy.h
+++ b/srsue/hdr/phy/phy.h
@@ -66,7 +66,11 @@ private:
   srslte::block_queue<std::function<void(void)> > cmd_queue;
 };
 
-class phy final : public ue_lte_phy_base, public ue_nr_phy_base, public srslte::thread
+class phy final : public ue_lte_phy_base,
+#if HAVE_5GNR
+                  public ue_nr_phy_base,
+#endif // HAVE_5GNR
+                  public srslte::thread
 {
 public:
   explicit phy(srslog::sink& log_sink) :
@@ -80,7 +84,6 @@ public:
     prach_buffer(logger_phy),
     thread("PHY")
   {}
-  bool set_config(const srslte::phy_cfg_nr_t& cfg) final;
 
   ~phy() final { stop(); }
 
@@ -90,8 +93,6 @@ public:
   // Init for LTE PHYs
   int init(const phy_args_t& args_, stack_interface_phy_lte* stack_, srslte::radio_interface_phy* radio_) final;
 
-  int init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srslte::radio_interface_phy* radio_) final;
-
   void stop() final;
 
   void wait_initialize() final;
@@ -173,10 +174,18 @@ public:
   const static int DEFAULT_WORKERS = 4;
 
   std::string get_type() final { return "lte_soft"; }
-  int         set_ul_grant(std::array<uint8_t, SRSLTE_RAR_UL_GRANT_NBITS> packed_ul_grant) final;
-  void        send_prach(uint32_t prach_occasion, uint32_t preamble_index, int preamble_received_target_power) final;
-  int         tx_request(const tx_request_t& request) final;
-  void        set_earfcn(std::vector<uint32_t> earfcns) final;
+
+#ifdef HAVE_5GNR
+  int  init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srslte::radio_interface_phy* radio_) final;
+  bool set_config(const srslte::phy_cfg_nr_t& cfg) final;
+  int  set_ul_grant(std::array<uint8_t, SRSLTE_RAR_UL_GRANT_NBITS> packed_ul_grant) final;
+  void send_prach(const uint32_t prach_occasion,
+                  const int      preamble_index,
+                  const float    preamble_received_target_power,
+                  const float    ta_base_sec = 0.0f) final;
+  int  tx_request(const tx_request_t& request) final;
+  void set_earfcn(std::vector<uint32_t> earfcns) final;
+#endif // HAVE_5GNR
 
 private:
   void run_thread() final;
diff --git a/srsue/src/phy/phy.cc b/srsue/src/phy/phy.cc
index 7786f737f..c4bd484e2 100644
--- a/srsue/src/phy/phy.cc
+++ b/srsue/src/phy/phy.cc
@@ -106,15 +106,6 @@ int phy::init(const phy_args_t& args_, stack_interface_phy_lte* stack_, srslte::
   return SRSLTE_SUCCESS;
 }
 
-int phy::init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srslte::radio_interface_phy* radio_)
-{
-  if (!nr_workers.init(args_, &common, stack_, log_sink, WORKERS_THREAD_PRIO)) {
-    return SRSLTE_ERROR;
-  }
-
-  return SRSLTE_SUCCESS;
-}
-
 int phy::init(const phy_args_t& args_)
 {
   std::unique_lock<std::mutex> lock(config_mutex);
@@ -614,12 +605,25 @@ void phy::set_mch_period_stop(uint32_t stop)
   common.set_mch_period_stop(stop);
 }
 
+#ifdef HAVE_5GNR
+int phy::init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srslte::radio_interface_phy* radio_)
+{
+  if (!nr_workers.init(args_, &common, stack_, log_sink, WORKERS_THREAD_PRIO)) {
+    return SRSLTE_ERROR;
+  }
+
+  return SRSLTE_SUCCESS;
+}
+
 int phy::set_ul_grant(std::array<uint8_t, SRSLTE_RAR_UL_GRANT_NBITS> packed_ul_grant)
 {
   return nr_workers.set_ul_grant(packed_ul_grant);
 }
 
-void phy::send_prach(uint32_t prach_occasion, uint32_t preamble_index, int preamble_received_target_power)
+void phy::send_prach(const uint32_t prach_occasion,
+                     const int      preamble_index,
+                     const float    preamble_received_target_power,
+                     const float    ta_base_sec)
 {
   nr_workers.send_prach(prach_occasion, preamble_index, preamble_received_target_power);
 }
@@ -638,5 +642,6 @@ bool phy::set_config(const srslte::phy_cfg_nr_t& cfg)
 {
   return nr_workers.set_config(cfg);
 }
+#endif // HAVE_5GNR
 
 } // namespace srsue