diff --git a/boards/b-l475e-iot01a/Makefile.include b/boards/b-l475e-iot01a/Makefile.include
index 3f29deeff1..c795b36608 100644
--- a/boards/b-l475e-iot01a/Makefile.include
+++ b/boards/b-l475e-iot01a/Makefile.include
@@ -9,8 +9,8 @@ PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
 # setup serial terminal
 include $(RIOTMAKE)/tools/serial.inc.mk
 
+# this board has an on-board ST-link adapter
 export DEBUG_ADAPTER ?= stlink
-export STLINK_VERSION ?= 2-1
 
 # this board uses openocd
 include $(RIOTMAKE)/tools/openocd.inc.mk
diff --git a/boards/b-l475e-iot01a/dist/openocd.cfg b/boards/b-l475e-iot01a/dist/openocd.cfg
deleted file mode 100644
index 52f860617d..0000000000
--- a/boards/b-l475e-iot01a/dist/openocd.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-source [find target/stm32l4x.cfg]
-
-reset_config srst_only