diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/Kconfig.board b/boards/boards_legacy/arm/96b_stm32_sensor_mez/Kconfig.board
deleted file mode 100644
index 3d17d091ae4..00000000000
--- a/boards/boards_legacy/arm/96b_stm32_sensor_mez/Kconfig.board
+++ /dev/null
@@ -1,8 +0,0 @@
-# 96Boards STM32 Sensor Mezzanine board configuration
-
-# Copyright (c) 2018 Linaro Limited.
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_96B_STM32_SENSOR_MEZ
-	bool "96Boards STM32 Sensor Mezzanine Board"
-	depends on SOC_STM32F446XX
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez.dts b/boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez.dts
similarity index 100%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez.dts
rename to boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez.dts
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez.yaml b/boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez.yaml
similarity index 100%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez.yaml
rename to boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez.yaml
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez_defconfig b/boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez_defconfig
similarity index 84%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez_defconfig
rename to boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez_defconfig
index a9e0141c125..c729b83e3d0 100644
--- a/boards/boards_legacy/arm/96b_stm32_sensor_mez/96b_stm32_sensor_mez_defconfig
+++ b/boards/st/96b_stm32_sensor_mez/96b_stm32_sensor_mez_defconfig
@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32F4X=y
-CONFIG_SOC_STM32F446XX=y
-
 # Enable MPU
 CONFIG_ARM_MPU=y
 
diff --git a/boards/st/96b_stm32_sensor_mez/Kconfig.96b_stm32_sensor_mez b/boards/st/96b_stm32_sensor_mez/Kconfig.96b_stm32_sensor_mez
new file mode 100644
index 00000000000..aa4bd5b97bb
--- /dev/null
+++ b/boards/st/96b_stm32_sensor_mez/Kconfig.96b_stm32_sensor_mez
@@ -0,0 +1,5 @@
+# Copyright (c) 2018 Linaro Limited.
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_96B_STM32_SENSOR_MEZ
+	select SOC_STM32F446XX
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/Kconfig.defconfig b/boards/st/96b_stm32_sensor_mez/Kconfig.defconfig
similarity index 84%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/Kconfig.defconfig
rename to boards/st/96b_stm32_sensor_mez/Kconfig.defconfig
index bfe0f730222..f6678ae9110 100644
--- a/boards/boards_legacy/arm/96b_stm32_sensor_mez/Kconfig.defconfig
+++ b/boards/st/96b_stm32_sensor_mez/Kconfig.defconfig
@@ -5,9 +5,6 @@
 
 if BOARD_96B_STM32_SENSOR_MEZ
 
-config BOARD
-	default "96b_stm32_sensor_mez"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/board.cmake b/boards/st/96b_stm32_sensor_mez/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/board.cmake
rename to boards/st/96b_stm32_sensor_mez/board.cmake
diff --git a/boards/st/96b_stm32_sensor_mez/board.yml b/boards/st/96b_stm32_sensor_mez/board.yml
new file mode 100644
index 00000000000..e410dcc9e65
--- /dev/null
+++ b/boards/st/96b_stm32_sensor_mez/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: 96b_stm32_sensor_mez
+  vendor: st
+  socs:
+    - name: stm32f446xx
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/doc/img/96b_stm32_sensor_mez.jpg b/boards/st/96b_stm32_sensor_mez/doc/img/96b_stm32_sensor_mez.jpg
similarity index 100%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/doc/img/96b_stm32_sensor_mez.jpg
rename to boards/st/96b_stm32_sensor_mez/doc/img/96b_stm32_sensor_mez.jpg
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/doc/index.rst b/boards/st/96b_stm32_sensor_mez/doc/index.rst
similarity index 100%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/doc/index.rst
rename to boards/st/96b_stm32_sensor_mez/doc/index.rst
diff --git a/boards/boards_legacy/arm/96b_stm32_sensor_mez/support/openocd.cfg b/boards/st/96b_stm32_sensor_mez/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/96b_stm32_sensor_mez/support/openocd.cfg
rename to boards/st/96b_stm32_sensor_mez/support/openocd.cfg