diff --git a/cpu/native/periph/spidev_linux.c b/cpu/native/periph/spidev_linux.c
index 4d439711d1..7cb94cd28c 100644
--- a/cpu/native/periph/spidev_linux.c
+++ b/cpu/native/periph/spidev_linux.c
@@ -33,7 +33,6 @@
 #undef SPI_MODE_2
 #undef SPI_MODE_3
 
-#include "assert.h"
 #include "native_internal.h"
 #include "spidev_linux.h"
 #ifdef MODULE_PERIPH_GPIO
diff --git a/cpu/stm32/periph/spi.c b/cpu/stm32/periph/spi.c
index 7348c355c2..856257e97c 100644
--- a/cpu/stm32/periph/spi.c
+++ b/cpu/stm32/periph/spi.c
@@ -31,7 +31,6 @@
 #include "bitarithm.h"
 #include "cpu.h"
 #include "mutex.h"
-#include "assert.h"
 #include "periph/spi.h"
 #include "pm_layered.h"