diff --git a/soc/espressif/esp32c6/idle.c b/soc/espressif/esp32c6/idle.c
deleted file mode 100644
index a42691c540f..00000000000
--- a/soc/espressif/esp32c6/idle.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2023 Espressif Systems (Shanghai) Co., Ltd.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include <zephyr/toolchain.h>
-#include <zephyr/irq.h>
-#include <zephyr/arch/cpu.h>
-
-/**
- * @brief Power save idle routine
- *
- * This function will be called by the kernel idle loop or possibly within
- * an implementation of _pm_save_idle in the kernel when the
- * '_pm_save_flag' variable is non-zero.
- */
-void arch_cpu_idle(void)
-{
-	/* curiously it arrives here with the interrupts masked
-	 * so umask it before wait for an event
-	 */
-	arch_irq_unlock(MSTATUS_IEN);
-
-	/* Wait for interrupt */
-	__asm__ volatile("wfi");
-}