diff --git a/plat/allwinner/sun50i_h6/include/core_off_arisc.h b/plat/allwinner/sun50i_h6/include/core_off_arisc.h
deleted file mode 100644
index 63a5d8d..0000000
--- a/plat/allwinner/sun50i_h6/include/core_off_arisc.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-static uint32_t arisc_core_off[] = {
-	0x18600000, /* l.movhi	r3, <corenr>	*/
-	0x18000000, /* l.movhi	r0, 0x0		*/
-	0x19a00901, /* l.movhi	r13, 0x901	*/
-	0x84ad0080, /* l.lwz	r5, 0x80(r13)	*/
-	0xe0a51803, /* l.and	r5, r5, r3	*/
-	0xe4050000, /* l.sfeq	r5, r0		*/
-	0x13fffffd, /* l.bf	-12		*/
-	0xb8c30050, /* l.srli	r6, r3, 16	*/
-
-	0xbc060001, /* l.sfeqi	r6, 1		*/
-	0x10000005, /* l.bf	+20		*/
-	0x19a00700, /* l.movhi	r13, 0x700	*/
-	0x84ad0444, /* l.lwz	r5, 0x0444(r13)	*/
-	0xe0a53004, /* l.or	r5, r5, r6	*/
-	0xd40d2c44, /* l.sw	0x0444(r13), r5	*/
-
-	0x84ad0440, /* l.lwz	r5, 0x0440(r13)	*/
-	0xacc6ffff, /* l.xori	r6, r6, -1	*/
-	0xe0a53003, /* l.and	r5, r5, r6	*/
-	0xd40d2c40, /* l.sw	0x0440(r13), r5	*/
-
-	0xe0c3000f, /* l.ff1	r6, r3		*/
-	0x9cc6ffef, /* l.addi	r6, r6, -17	*/
-	0xb8c60002, /* l.slli	r6, r6, 2	*/
-	0xe0c66800, /* l.add	r6, r6, r13	*/
-	0xa8a000ff, /* l.ori	r5, r0, 0xff	*/
-	0xd4062c50, /* l.sw	0x0450(r6), r5	*/
-
-	0xd40d0400, /* l.sw	0x0400(r13), r0	*/
-	0x03ffffff, /* l.j	-1		*/
-	0x15000000, /* l.nop			*/
-};
diff --git a/plat/allwinner/sun50i_h6/sunxi_power.c b/plat/allwinner/sun50i_h6/sunxi_power.c
index a7865a5..d298e6b 100644
--- a/plat/allwinner/sun50i_h6/sunxi_power.c
+++ b/plat/allwinner/sun50i_h6/sunxi_power.c
@@ -10,7 +10,9 @@
 #include <common/debug.h>
 #include <drivers/allwinner/axp.h>
 #include <drivers/allwinner/sunxi_rsb.h>
+#include <lib/mmio.h>
 
+#include <sunxi_cpucfg.h>
 #include <sunxi_def.h>
 #include <sunxi_mmap.h>
 #include <sunxi_private.h>
@@ -102,3 +104,16 @@
 		break;
 	}
 }
+
+void sunxi_cpu_power_off_self(void)
+{
+	u_register_t mpidr = read_mpidr();
+	unsigned int core  = MPIDR_AFFLVL0_VAL(mpidr);
+
+	/* Enable the CPUIDLE hardware (only really needs to be done once). */
+	mmio_write_32(SUNXI_CPUIDLE_EN_REG, 0x16aa0000);
+	mmio_write_32(SUNXI_CPUIDLE_EN_REG, 0xaa160001);
+
+	/* Trigger power off for this core. */
+	mmio_write_32(SUNXI_CORE_CLOSE_REG, BIT_32(core));
+}