diff --git a/srsue/hdr/phy/phy.h b/srsue/hdr/phy/phy.h
index 6cf6dcd1f..8ab78baed 100644
--- a/srsue/hdr/phy/phy.h
+++ b/srsue/hdr/phy/phy.h
@@ -142,9 +142,9 @@ private:
   const static int SF_RECV_THREAD_PRIO = 1;
   const static int WORKERS_THREAD_PRIO = 2;
 
-  radio_interface_phy*                    radio = nullptr;
-  std::vector<srslte::log_filter*>        log_vec;
-  srslte::logger*                         logger = nullptr;
+  radio_interface_phy*                              radio = nullptr;
+  std::vector<std::unique_ptr<srslte::log_filter> > log_vec;
+  srslte::logger*                                   logger = nullptr;
 
   srslte::log*                    log_h         = nullptr;
   srslte::log*                    log_phy_lib_h = nullptr;
diff --git a/srsue/src/phy/phy.cc b/srsue/src/phy/phy.cc
index 32d41fc57..cd361434c 100644
--- a/srsue/src/phy/phy.cc
+++ b/srsue/src/phy/phy.cc
@@ -137,7 +137,7 @@ int phy::init(const phy_args_t& args_, srslte::logger* logger_)
     mylog->init(tmp, logger, true);
     mylog->set_level(args.log.phy_level);
     mylog->set_hex_limit(args.log.phy_hex_limit);
-    log_vec.push_back(mylog);
+    log_vec.push_back(std::move(std::unique_ptr<srslte::log_filter>(mylog)));
   }
 
   // Add PHY lib log
@@ -148,13 +148,13 @@ int phy::init(const phy_args_t& args_, srslte::logger* logger_)
     lib_log->init(tmp, logger, true);
     lib_log->set_level(args.log.phy_lib_level);
     lib_log->set_hex_limit(args.log.phy_hex_limit);
-    log_vec.push_back(lib_log);
+    log_vec.push_back(std::move(std::unique_ptr<srslte::log_filter>(lib_log)));
   } else {
     log_vec.push_back(nullptr);
   }
 
   // set default logger
-  log_h = log_vec.at(0);
+  log_h = log_vec.at(0).get();
 
   if (!check_args(args)) {
     return false;
@@ -162,7 +162,7 @@ int phy::init(const phy_args_t& args_, srslte::logger* logger_)
 
   nof_workers = args.nof_phy_threads;
   if (log_vec[nof_workers]) {
-    this->log_phy_lib_h = (srslte::log*)log_vec[0];
+    this->log_phy_lib_h = (srslte::log*)log_vec[0].get();
     srslte_phy_log_register_handler(this, srslte_phy_handler);
   } else {
     this->log_phy_lib_h = nullptr;
@@ -177,12 +177,12 @@ int phy::init(const phy_args_t& args_, srslte::logger* logger_)
 void phy::run_thread()
 {
   prach_buffer.init(SRSLTE_MAX_PRB, log_h);
-  common.init(&args, (srslte::log*)log_vec[0], radio, stack);
+  common.init(&args, (srslte::log*)log_vec[0].get(), radio, stack);
 
   // Add workers to workers pool and start threads
   for (uint32_t i=0;i<nof_workers;i++) {
-    auto w = std::unique_ptr<sf_worker>(
-        new sf_worker(SRSLTE_MAX_PRB, &common, (srslte::log*)log_vec[i], (srslte::log*)log_vec[nof_workers], &sfsync));
+    auto w = std::unique_ptr<sf_worker>(new sf_worker(
+        SRSLTE_MAX_PRB, &common, (srslte::log*)log_vec[i].get(), (srslte::log*)log_vec[nof_workers].get(), &sfsync));
     workers_pool.init_worker(i, w.get(), WORKERS_THREAD_PRIO, args.worker_cpu_mask);
     workers.push_back(std::move(w));
   }
diff --git a/srsue/src/phy/sync.cc b/srsue/src/phy/sync.cc
index 94019029c..11db44039 100644
--- a/srsue/src/phy/sync.cc
+++ b/srsue/src/phy/sync.cc
@@ -106,17 +106,14 @@ void sync::init(radio_interface_phy*      _radio,
 
 sync::~sync()
 {
-  if (running) {
-    uint32_t nof_rf_channels = worker_com->args->nof_rf_channels * worker_com->args->nof_rx_ant;
-    for (uint32_t r = 0; r < worker_com->args->nof_radios; r++) {
-      for (uint32_t p = 0; p < nof_rf_channels; p++) {
-        if (sf_buffer[r][p]) {
-          free(sf_buffer[r][p]);
-        }
+  for (uint32_t r = 0; r < SRSLTE_MAX_RADIOS; r++) {
+    for (uint32_t p = 0; p < SRSLTE_MAX_PORTS; p++) {
+      if (sf_buffer[r][p]) {
+        free(sf_buffer[r][p]);
       }
     }
-    srslte_ue_sync_free(&ue_sync);
   }
+  srslte_ue_sync_free(&ue_sync);
 }
 
 void sync::stop()