diff --git a/src/libs/mynewt-nimble/porting/nimble/include/syscfg/syscfg.h b/src/libs/mynewt-nimble/porting/nimble/include/syscfg/syscfg.h
index b30d7ec2..6efa3f28 100644
--- a/src/libs/mynewt-nimble/porting/nimble/include/syscfg/syscfg.h
+++ b/src/libs/mynewt-nimble/porting/nimble/include/syscfg/syscfg.h
@@ -659,11 +659,11 @@
 #endif
 
 #ifndef MYNEWT_VAL_BLE_MONITOR_RTT
-#define MYNEWT_VAL_BLE_MONITOR_RTT (1)
+#define MYNEWT_VAL_BLE_MONITOR_RTT (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_MONITOR_RTT_BUFFERED
-#define MYNEWT_VAL_BLE_MONITOR_RTT_BUFFERED (1)
+#define MYNEWT_VAL_BLE_MONITOR_RTT_BUFFERED (0)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_MONITOR_RTT_BUFFER_NAME
diff --git a/src/sdk_config.h b/src/sdk_config.h
index 505d0821..e83bde4b 100644
--- a/src/sdk_config.h
+++ b/src/sdk_config.h
@@ -8460,15 +8460,15 @@
 // <e> NRF_LOG_ENABLED - nrf_log - Logger
 //==========================================================
 #ifndef NRF_LOG_ENABLED
-#define NRF_LOG_ENABLED 1
+#define NRF_LOG_ENABLED 0
 #endif
 
 #ifndef NRF_LOG_BACKEND_RTT_ENABLED
-#define NRF_LOG_BACKEND_RTT_ENABLED 1
+#define NRF_LOG_BACKEND_RTT_ENABLED 0
 #endif
 
 #ifndef NRF_LOG_BACKEND_SERIAL_USES_RTT
-#define NRF_LOG_BACKEND_SERIAL_USES_RTT 1
+#define NRF_LOG_BACKEND_SERIAL_USES_RTT 0
 #endif
 // <h> Log message pool - Configuration of log message pool