diff --git a/boards/st/nucleo_f030r8/nucleo_f030r8_1.conf b/boards/st/nucleo_f030r8/nucleo_f030r8_1.conf
deleted file mode 100644
index 39cc277d78d..00000000000
--- a/boards/st/nucleo_f030r8/nucleo_f030r8_1.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Copyright (c) 2022 TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
-# SPDX-License-Identifier: Apache-2.0
diff --git a/boards/st/nucleo_f030r8/nucleo_f030r8_2.conf b/boards/st/nucleo_f030r8/nucleo_f030r8_2.conf
deleted file mode 100644
index 39cc277d78d..00000000000
--- a/boards/st/nucleo_f030r8/nucleo_f030r8_2.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Copyright (c) 2022 TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
-# SPDX-License-Identifier: Apache-2.0
diff --git a/boards/st/stm32f3_disco/stm32f3_disco_B.conf b/boards/st/stm32f3_disco/stm32f3_disco_B.conf
deleted file mode 100644
index 039adb70c58..00000000000
--- a/boards/st/stm32f3_disco/stm32f3_disco_B.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Copyright (c) 2021 Jonathan Hahn
-# SPDX-License-Identifier: Apache-2.0
diff --git a/boards/st/stm32f3_disco/stm32f3_disco_E.conf b/boards/st/stm32f3_disco/stm32f3_disco_E.conf
deleted file mode 100644
index 039adb70c58..00000000000
--- a/boards/st/stm32f3_disco/stm32f3_disco_E.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Copyright (c) 2021 Jonathan Hahn
-# SPDX-License-Identifier: Apache-2.0
diff --git a/boards/st/stm32f411e_disco/stm32f411e_disco_B.conf b/boards/st/stm32f411e_disco/stm32f411e_disco_B.conf
deleted file mode 100644
index a6756435b9c..00000000000
--- a/boards/st/stm32f411e_disco/stm32f411e_disco_B.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Copyright (c) 2021 Linaro Limited
-# SPDX-License-Identifier: Apache-2.0
diff --git a/boards/st/stm32f411e_disco/stm32f411e_disco_D.conf b/boards/st/stm32f411e_disco/stm32f411e_disco_D.conf
deleted file mode 100644
index a6756435b9c..00000000000
--- a/boards/st/stm32f411e_disco/stm32f411e_disco_D.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-# Copyright (c) 2021 Linaro Limited
-# SPDX-License-Identifier: Apache-2.0