diff --git a/boards/enclustra/mercury_xu/CMakeLists.txt b/boards/enclustra/mercury_xu/CMakeLists.txt
deleted file mode 100644
index f1877356e3b..00000000000
--- a/boards/enclustra/mercury_xu/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-# Copyright (c) 2020, Antmicro
-# SPDX-License-Identifier: Apache-2.0
-
-zephyr_library()
-zephyr_library_sources(board.c)
diff --git a/boards/enclustra/mercury_xu/board.c b/boards/enclustra/mercury_xu/board.c
deleted file mode 100644
index db436299a9c..00000000000
--- a/boards/enclustra/mercury_xu/board.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright (c) 2020, Antmicro
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include <zephyr/arch/cpu.h>
-#include <zephyr/init.h>
-
-static int mercury_xu_init(void)
-{
-	return 0;
-}
-
-SYS_INIT(mercury_xu_init, PRE_KERNEL_2,
-		CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);