diff --git a/porting/npl/riot/include/syscfg/syscfg.h b/porting/npl/riot/include/syscfg/syscfg.h
index 4056ca9e1..2513c4843 100644
--- a/porting/npl/riot/include/syscfg/syscfg.h
+++ b/porting/npl/riot/include/syscfg/syscfg.h
@@ -1358,7 +1358,7 @@
 #endif
 
 #ifndef MYNEWT_VAL_BLE_SM_LEGACY
-#define MYNEWT_VAL_BLE_SM_LEGACY (1)
+#define MYNEWT_VAL_BLE_SM_LEGACY (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_SM_MAX_PROCS
diff --git a/porting/targets/riot/syscfg.yml b/porting/targets/riot/syscfg.yml
index 963c8a69e..3903330b8 100644
--- a/porting/targets/riot/syscfg.yml
+++ b/porting/targets/riot/syscfg.yml
@@ -25,6 +25,8 @@ syscfg.vals:
     BLE_LL_CFG_FEAT_LE_ENCRYPTION: 0
     BLE_LL_CFG_FEAT_LL_PRIVACY: 0
     BLE_LL_CONN_INIT_MAX_TX_BYTES: 'MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE'
+    BLE_SM_LEGACY: 0
+    BLE_SM_SC: 0
     BLE_MAX_PERIODIC_SYNCS: 0
     MSYS_1_BLOCK_COUNT: 5
     MSYS_1_BLOCK_SIZE: 88