diff --git a/boards/arm/nrf52/nrf52-feather/src/nrf52_buttons.c b/boards/arm/nrf52/nrf52-feather/src/nrf52_buttons.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/nrf52/nrf52-feather/src/nrf52_buttons.c
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/boards/arm/nrf52/nrf52840-dongle/src/nrf52_buttons.c b/boards/arm/nrf52/nrf52840-dongle/src/nrf52_buttons.c
deleted file mode 100644
index 8b137891791..00000000000
--- a/boards/arm/nrf52/nrf52840-dongle/src/nrf52_buttons.c
+++ /dev/null
@@ -1 +0,0 @@
-