diff --git a/connectivity/FEATURE_BLE/source/common/ble_trace_helpers.h b/connectivity/FEATURE_BLE/source/common/ble_trace_helpers.h
index 67e43eee84..027f05084a 100644
--- a/connectivity/FEATURE_BLE/source/common/ble_trace_helpers.h
+++ b/connectivity/FEATURE_BLE/source/common/ble_trace_helpers.h
@@ -39,12 +39,6 @@ const char* att_client_callback_event_to_string(uint8_t code);
 const char* att_error_code_to_string(uint8_t code);
 #endif //MBED_CONF_MBED_TRACE_ENABLE
 
-template<typename T>
-const char* tr_as_array(T item)
-{
-    return (mbed_trace_array)((const uint8_t*)&item, sizeof(item));
-}
-
 template<size_t size>
 const char* to_string(const ble::byte_array_t<size> &array)
 {
diff --git a/connectivity/FEATURE_BLE/source/generic/FileSecurityDb.cpp b/connectivity/FEATURE_BLE/source/generic/FileSecurityDb.cpp
index 7789c1535e..7e2bf46a55 100644
--- a/connectivity/FEATURE_BLE/source/generic/FileSecurityDb.cpp
+++ b/connectivity/FEATURE_BLE/source/generic/FileSecurityDb.cpp
@@ -186,7 +186,7 @@ void FileSecurityDb::set_entry_local_ltk(
 
     entry->flags.ltk_sent = true;
 
-    tr_info("Write DB entry %d: local ltk %s", get_index(db_handle), tr_as_array(ltk));
+    tr_info("Write DB entry %d: local ltk %s", get_index(db_handle), to_string(ltk));
     db_write(&ltk, entry->file_offset + DB_STORE_OFFSET_LOCAL_KEYS_LTK);
 }
 
@@ -201,7 +201,7 @@ void FileSecurityDb::set_entry_local_ediv_rand(
         return;
     }
 
-    tr_info("Write DB entry %d: local ediv %s rand %s", get_index(db_handle), tr_as_array(ediv), tr_as_array(rand));
+    tr_info("Write DB entry %d: local ediv %s rand %s", get_index(db_handle), to_string(ediv), to_string(rand));
     db_write(&ediv, entry->file_offset + DB_STORE_OFFSET_LOCAL_KEYS_EDIV);
     db_write(&rand, entry->file_offset + DB_STORE_OFFSET_LOCAL_KEYS_RAND);
 }
@@ -222,7 +222,7 @@ void FileSecurityDb::set_entry_peer_ltk(
 
     entry->flags.ltk_stored = true;
 
-    tr_info("Write DB entry %d: peer ltk %s", get_index(db_handle), tr_as_array(ltk));
+    tr_info("Write DB entry %d: peer ltk %s", get_index(db_handle), to_string(ltk));
     db_write(&ltk, entry->file_offset + DB_STORE_OFFSET_PEER_KEYS_LTK);
 }
 
@@ -237,7 +237,7 @@ void FileSecurityDb::set_entry_peer_ediv_rand(
         return;
     }
 
-    tr_info("Write DB entry %d: peer ediv %s rand %s", get_index(db_handle), tr_as_array(ediv), tr_as_array(rand));
+    tr_info("Write DB entry %d: peer ediv %s rand %s", get_index(db_handle), to_string(ediv), to_string(rand));
     db_write(&ediv, entry->file_offset + DB_STORE_OFFSET_PEER_KEYS_EDIV);
     db_write(&rand, entry->file_offset + DB_STORE_OFFSET_PEER_KEYS_RAND);
 }
@@ -254,7 +254,7 @@ void FileSecurityDb::set_entry_peer_irk(
 
     entry->flags.irk_stored = true;
 
-    tr_info("Write DB entry %d: peer irk %s", get_index(db_handle), tr_as_array(irk));
+    tr_info("Write DB entry %d: peer irk %s", get_index(db_handle), to_string(irk));
     db_write(&irk, entry->file_offset + DB_STORE_OFFSET_PEER_IDENTITY_IRK);
 }
 
@@ -269,7 +269,7 @@ void FileSecurityDb::set_entry_peer_bdaddr(
         return;
     }
 
-    tr_info("Write DB entry %d: %s peer address %s", get_index(db_handle), address_is_public? "public" : "private", tr_as_array(peer_address));
+    tr_info("Write DB entry %d: %s peer address %s", get_index(db_handle), address_is_public? "public" : "private", to_string(peer_address));
     db_write(&peer_address, entry->file_offset + DB_STORE_OFFSET_PEER_IDENTITY_ADDRESS);
     db_write(&address_is_public, entry->file_offset + DB_STORE_OFFSET_PEER_IDENTITY_ADDRESS_IS_PUBLIC);
 }
@@ -286,7 +286,7 @@ void FileSecurityDb::set_entry_peer_csrk(
 
     entry->flags.csrk_stored = true;
 
-    tr_info("Write DB entry %d: peer csrk %s", get_index(db_handle), tr_as_array(csrk));
+    tr_info("Write DB entry %d: peer csrk %s", get_index(db_handle), to_string(csrk));
     db_write(&csrk, entry->file_offset + DB_STORE_OFFSET_PEER_SIGNING);
 }
 
@@ -307,7 +307,7 @@ void FileSecurityDb::set_local_csrk(
 {
     this->SecurityDb::set_local_csrk(csrk);
 
-    tr_info("Write DB: local csrk %s", tr_as_array(csrk));
+    tr_info("Write DB: local csrk %s", to_string(csrk));
     db_write(&_local_csrk, DB_OFFSET_LOCAL_CSRK);
 }
 
@@ -319,7 +319,7 @@ void FileSecurityDb::set_local_identity(
 {
     this->SecurityDb::set_local_identity(irk, identity_address, public_address);
 
-    tr_info("Write DB: %s peer address %s", public_address? "public" : "private", tr_as_array(identity_address));
+    tr_info("Write DB: %s peer address %s", public_address? "public" : "private", to_string(identity_address));
     db_write(&_local_identity, DB_OFFSET_LOCAL_IDENTITY);
 }
 
diff --git a/connectivity/FEATURE_BLE/source/generic/KVStoreSecurityDb.cpp b/connectivity/FEATURE_BLE/source/generic/KVStoreSecurityDb.cpp
index a302ced063..6590e83279 100644
--- a/connectivity/FEATURE_BLE/source/generic/KVStoreSecurityDb.cpp
+++ b/connectivity/FEATURE_BLE/source/generic/KVStoreSecurityDb.cpp
@@ -150,7 +150,7 @@ void KVStoreSecurityDb::set_entry_local_ltk(
     SecurityEntryKeys_t* current_entry = read_in_entry_local_keys(db_handle);
     current_entry->ltk = ltk;
 
-    tr_info("Write DB entry %d: local ltk %s", get_index(db_handle), tr_as_array(ltk));
+    tr_info("Write DB entry %d: local ltk %s", get_index(db_handle), to_string(ltk));
     db_write_entry(current_entry, DB_ENTRY_LOCAL_KEYS, get_index(entry));
 }
 
@@ -169,7 +169,7 @@ void KVStoreSecurityDb::set_entry_local_ediv_rand(
     current_entry->ediv = ediv;
     current_entry->rand = rand;
 
-    tr_info("Write DB entry %d: local ediv %s rand %s", get_index(db_handle), tr_as_array(ediv), tr_as_array(rand));
+    tr_info("Write DB entry %d: local ediv %s rand %s", get_index(db_handle), to_string(ediv), to_string(rand));
     db_write_entry(current_entry, DB_ENTRY_LOCAL_KEYS, get_index(entry));
 }
 
@@ -192,7 +192,7 @@ void KVStoreSecurityDb::set_entry_peer_ltk(
     SecurityEntryKeys_t* current_entry = read_in_entry_peer_keys(db_handle);
     current_entry->ltk = ltk;
 
-    tr_info("Write DB entry %d: peer ltk %s", get_index(db_handle), tr_as_array(ltk));
+    tr_info("Write DB entry %d: peer ltk %s", get_index(db_handle), to_string(ltk));
     db_write_entry(current_entry, DB_ENTRY_PEER_KEYS, get_index(entry));
 }
 
@@ -211,7 +211,7 @@ void KVStoreSecurityDb::set_entry_peer_ediv_rand(
     current_entry->ediv = ediv;
     current_entry->rand = rand;
 
-    tr_info("Write DB entry %d: peer ediv %s rand %s", get_index(db_handle), tr_as_array(ediv), tr_as_array(rand));
+    tr_info("Write DB entry %d: peer ediv %s rand %s", get_index(db_handle), to_string(ediv), to_string(rand));
     db_write_entry(current_entry, DB_ENTRY_PEER_KEYS, get_index(entry));
 }
 
@@ -230,7 +230,7 @@ void KVStoreSecurityDb::set_entry_peer_irk(
     SecurityEntryIdentity_t* current_entry = read_in_entry_peer_identity(db_handle);
     current_entry->irk = irk;
 
-    tr_info("Write DB entry %d: peer irk %s", get_index(db_handle), tr_as_array(irk));
+    tr_info("Write DB entry %d: peer irk %s", get_index(db_handle), to_string(irk));
     db_write_entry(current_entry, DB_ENTRY_PEER_IDENTITY, get_index(entry));
 }
 
@@ -249,7 +249,7 @@ void KVStoreSecurityDb::set_entry_peer_bdaddr(
     current_entry->identity_address = peer_address;
     current_entry->identity_address_is_public = address_is_public;
 
-    tr_info("Write DB entry %d: %s peer address %s", get_index(db_handle), address_is_public? "public" : "private", tr_as_array(peer_address));
+    tr_info("Write DB entry %d: %s peer address %s", get_index(db_handle), address_is_public? "public" : "private", to_string(peer_address));
     db_write_entry(current_entry, DB_ENTRY_PEER_IDENTITY, get_index(entry));
 }
 
@@ -268,7 +268,7 @@ void KVStoreSecurityDb::set_entry_peer_csrk(
     SecurityEntrySigning_t* current_entry = read_in_entry_peer_signing(db_handle);
     current_entry->csrk = csrk;
 
-    tr_info("Write DB entry %d: peer csrk %s", get_index(db_handle), tr_as_array(csrk));
+    tr_info("Write DB entry %d: peer csrk %s", get_index(db_handle), to_string(csrk));
     db_write_entry(current_entry, DB_ENTRY_PEER_SIGNING, get_index(entry));
 }
 
@@ -288,7 +288,7 @@ void KVStoreSecurityDb::set_local_csrk(
 )
 {
     this->SecurityDb::set_local_csrk(csrk);
-    tr_info("Write DB: local csrk %s", tr_as_array(csrk));
+    tr_info("Write DB: local csrk %s", to_string(csrk));
     db_write(&_local_csrk, DB_LOCAL_CSRK);
 }
 
@@ -299,7 +299,7 @@ void KVStoreSecurityDb::set_local_identity(
 )
 {
     this->SecurityDb::set_local_identity(irk, identity_address, public_address);
-    tr_info("Write DB: %s peer address %s", public_address? "public" : "private", tr_as_array(identity_address));
+    tr_info("Write DB: %s peer address %s", public_address? "public" : "private", to_string(identity_address));
     db_write(&_local_identity, DB_LOCAL_IDENTITY);
 }
 
diff --git a/connectivity/FEATURE_BLE/source/generic/MemorySecurityDb.h b/connectivity/FEATURE_BLE/source/generic/MemorySecurityDb.h
index aeacd54bdc..6ef1b46290 100644
--- a/connectivity/FEATURE_BLE/source/generic/MemorySecurityDb.h
+++ b/connectivity/FEATURE_BLE/source/generic/MemorySecurityDb.h
@@ -76,7 +76,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: local ltk %s", get_index(db_handle), tr_as_array(ltk));
+            tr_info("Write DB entry %d: local ltk %s", get_index(db_handle), to_string(ltk));
             entry->flags.ltk_sent = true;
             entry->local_keys.ltk = ltk;
         }
@@ -89,7 +89,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: local ediv %s rand %s", get_index(db_handle), tr_as_array(ediv), tr_as_array(rand));
+            tr_info("Write DB entry %d: local ediv %s rand %s", get_index(db_handle), to_string(ediv), to_string(rand));
             entry->local_keys.ediv = ediv;
             entry->local_keys.rand = rand;
         }
@@ -105,7 +105,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: peer ltk %s", get_index(db_handle), tr_as_array(ltk));
+            tr_info("Write DB entry %d: peer ltk %s", get_index(db_handle), to_string(ltk));
             entry->peer_keys.ltk = ltk;
             entry->flags.ltk_stored = true;
         }
@@ -118,7 +118,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: peer ediv %s rand %s", get_index(db_handle), tr_as_array(ediv), tr_as_array(rand));
+            tr_info("Write DB entry %d: peer ediv %s rand %s", get_index(db_handle), to_string(ediv), to_string(rand));
             entry->peer_keys.ediv = ediv;
             entry->peer_keys.rand = rand;
         }
@@ -130,7 +130,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: peer irk %s", get_index(db_handle), tr_as_array(irk));
+            tr_info("Write DB entry %d: peer irk %s", get_index(db_handle), to_string(irk));
             entry->peer_identity.irk = irk;
             entry->flags.irk_stored = true;
         }
@@ -143,7 +143,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: %s peer address %s", get_index(db_handle), address_is_public? "public" : "private", tr_as_array(peer_address));
+            tr_info("Write DB entry %d: %s peer address %s", get_index(db_handle), address_is_public? "public" : "private", to_string(peer_address));
             entry->peer_identity.identity_address = peer_address;
             entry->peer_identity.identity_address_is_public = address_is_public;
         }
@@ -155,7 +155,7 @@ public:
     ) override {
         entry_t *entry = as_entry(db_handle);
         if (entry) {
-            tr_info("Write DB entry %d: peer csrk %s", get_index(db_handle), tr_as_array(csrk));
+            tr_info("Write DB entry %d: peer csrk %s", get_index(db_handle), to_string(csrk));
             entry->flags.csrk_stored = true;
             entry->peer_signing.csrk = csrk;
         }