diff --git a/boards/nucleo-l031k6/Makefile.features b/boards/nucleo-l031k6/Makefile.features
index 3162c2223a..48936ed6b4 100644
--- a/boards/nucleo-l031k6/Makefile.features
+++ b/boards/nucleo-l031k6/Makefile.features
@@ -2,6 +2,7 @@
 FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
diff --git a/boards/nucleo-l031k6/include/periph_conf.h b/boards/nucleo-l031k6/include/periph_conf.h
index 282137d69b..6fcabe74f7 100644
--- a/boards/nucleo-l031k6/include/periph_conf.h
+++ b/boards/nucleo-l031k6/include/periph_conf.h
@@ -24,6 +24,7 @@
 #define PERIPH_CONF_H
 
 #include "periph_cpu.h"
+#include "cfg_rtt_default.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/nucleo-l053r8/Makefile.features b/boards/nucleo-l053r8/Makefile.features
index ab41c0bc7d..2217986a89 100644
--- a/boards/nucleo-l053r8/Makefile.features
+++ b/boards/nucleo-l053r8/Makefile.features
@@ -1,6 +1,7 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
diff --git a/boards/nucleo-l053r8/include/periph_conf.h b/boards/nucleo-l053r8/include/periph_conf.h
index d8418d97c0..4e4b0b23c3 100644
--- a/boards/nucleo-l053r8/include/periph_conf.h
+++ b/boards/nucleo-l053r8/include/periph_conf.h
@@ -24,6 +24,7 @@
 #define PERIPH_CONF_H
 
 #include "periph_cpu.h"
+#include "cfg_rtt_default.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/nucleo-l073rz/Makefile.features b/boards/nucleo-l073rz/Makefile.features
index 56587e7aec..e06b660ffc 100644
--- a/boards/nucleo-l073rz/Makefile.features
+++ b/boards/nucleo-l073rz/Makefile.features
@@ -4,6 +4,7 @@ FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_lpuart
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
diff --git a/boards/nucleo-l073rz/include/periph_conf.h b/boards/nucleo-l073rz/include/periph_conf.h
index 59bec45bfd..3ed797bc17 100644
--- a/boards/nucleo-l073rz/include/periph_conf.h
+++ b/boards/nucleo-l073rz/include/periph_conf.h
@@ -24,6 +24,7 @@
 #define PERIPH_CONF_H
 
 #include "periph_cpu.h"
+#include "cfg_rtt_default.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/nucleo-l432kc/Makefile.features b/boards/nucleo-l432kc/Makefile.features
index 4f93131ca7..1a8a2f2c36 100644
--- a/boards/nucleo-l432kc/Makefile.features
+++ b/boards/nucleo-l432kc/Makefile.features
@@ -1,6 +1,7 @@
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
diff --git a/boards/nucleo-l432kc/include/periph_conf.h b/boards/nucleo-l432kc/include/periph_conf.h
index 6ff6edbb66..4a18c0a139 100644
--- a/boards/nucleo-l432kc/include/periph_conf.h
+++ b/boards/nucleo-l432kc/include/periph_conf.h
@@ -24,6 +24,7 @@
 #define PERIPH_CONF_H
 
 #include "periph_cpu.h"
+#include "cfg_rtt_default.h"
 
 #ifdef __cplusplus
 extern "C" {