diff --git a/boards/arm/stm32/nucleo-f334r8/src/Make.defs b/boards/arm/stm32/nucleo-f334r8/src/Make.defs
index a8f6a611ba6..c8ab2879ce4 100644
--- a/boards/arm/stm32/nucleo-f334r8/src/Make.defs
+++ b/boards/arm/stm32/nucleo-f334r8/src/Make.defs
@@ -24,12 +24,6 @@ CSRCS = stm32_boot.c
 
 ifeq ($(CONFIG_ARCH_LEDS),y)
 CSRCS += stm32_autoleds.c
-else
-CSRCS += stm32_userleds.c
-endif
-
-ifeq ($(CONFIG_ARCH_BUTTONS),y)
-CSRCS += stm32_buttons.c
 endif
 
 ifeq ($(CONFIG_LIB_BOARDCTL),y)
@@ -40,26 +34,10 @@ ifeq ($(CONFIG_ADC),y)
 CSRCS += stm32_adc.c
 endif
 
-ifeq ($(CONFIG_CAN),y)
-CSRCS += stm32_can.c
-endif
-
 ifeq ($(CONFIG_DAC),y)
 CSRCS += stm32_dac.c
 endif
 
-ifeq ($(CONFIG_PWM),y)
-CSRCS += stm32_pwm.c
-endif
-
-ifeq ($(CONFIG_SPI),y)
-CSRCS += stm32_spi.c
-endif
-
-ifeq ($(CONFIG_TIMER),y)
-CSRCS += stm32_timer.c
-endif
-
 ifeq ($(CONFIG_STM32_HRTIM),y)
 CSRCS += stm32_hrtim.c
 endif
diff --git a/boards/arm/stm32/nucleo-f334r8/src/stm32_buttons.c b/boards/arm/stm32/nucleo-f334r8/src/stm32_buttons.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/stm32/nucleo-f334r8/src/stm32_buttons.c
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/boards/arm/stm32/nucleo-f334r8/src/stm32_can.c b/boards/arm/stm32/nucleo-f334r8/src/stm32_can.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/stm32/nucleo-f334r8/src/stm32_can.c
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/boards/arm/stm32/nucleo-f334r8/src/stm32_pwm.c b/boards/arm/stm32/nucleo-f334r8/src/stm32_pwm.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/stm32/nucleo-f334r8/src/stm32_pwm.c
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/boards/arm/stm32/nucleo-f334r8/src/stm32_spi.c b/boards/arm/stm32/nucleo-f334r8/src/stm32_spi.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/stm32/nucleo-f334r8/src/stm32_spi.c
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/boards/arm/stm32/nucleo-f334r8/src/stm32_timer.c b/boards/arm/stm32/nucleo-f334r8/src/stm32_timer.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/stm32/nucleo-f334r8/src/stm32_timer.c
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/boards/arm/stm32/nucleo-f334r8/src/stm32_userleds.c b/boards/arm/stm32/nucleo-f334r8/src/stm32_userleds.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/stm32/nucleo-f334r8/src/stm32_userleds.c
+++ /dev/null
@@ -1 +0,0 @@
-