diff --git a/sys/amd64/linux/linux_locore.asm b/sys/amd64/linux/linux_locore.asm
index 4e358f583a45..dd482cb87cc8 100644
--- a/sys/amd64/linux/linux_locore.asm
+++ b/sys/amd64/linux/linux_locore.asm
@@ -1,108 +1,82 @@
 /* $FreeBSD$ */
 
 #include "linux_assym.h"			/* system definitions */
 #include <machine/asmacros.h>			/* miscellaneous asm macros */
 
 #include <amd64/linux/linux_syscall.h>		/* system call numbers */
 
 	.data
 
 	.globl linux_platform
 linux_platform:
 	.asciz "x86_64"
 
 
 	.text
 /*
  * To avoid excess stack frame the signal trampoline code emulates
  * the 'call' instruction.
  */
 ENTRY(linux_rt_sigcode)
 	movq	%rsp, %rbx			/* preserve sigframe */
 	call	.getip
 .getip:
 	popq	%rax
 	add	$.startrtsigcode-.getip, %rax	/* ret address */
 	pushq	%rax
 	jmp	*LINUX_RT_SIGF_HANDLER(%rbx)
 .startrtsigcode:
 	movq	$LINUX_SYS_linux_rt_sigreturn,%rax   /* linux_rt_sigreturn() */
 	syscall					/* enter kernel with args */
 	hlt
 .endrtsigcode:
 0:	jmp	0b
 
-ENTRY(__vdso_clock_gettime)
-	movq	$LINUX_SYS_linux_clock_gettime,%rax
-	syscall
-	ret
-.weak clock_gettime
-.set clock_gettime, __vdso_clock_gettime
-
-ENTRY(__vdso_time)
-	movq	$LINUX_SYS_linux_time,%rax
-	syscall
-	ret
-.weak time
-.set time, __vdso_time
-
-ENTRY(__vdso_gettimeofday)
-	movq	$LINUX_SYS_gettimeofday,%rax
-	syscall
-	ret
-.weak gettimeofday
-.set gettimeofday, __vdso_gettimeofday
-
-ENTRY(__vdso_getcpu)
-	movq	$-38,%rax	/* not implemented */
-	ret
-.weak getcpu
-.set getcpu, __vdso_getcpu
 
 #if 0
 	.section .note.Linux, "a",@note
 	.long 2f - 1f		/* namesz */
 	.balign 4
 	.long 4f - 3f		/* descsz */
 	.long 0
 1:
 	.asciz "Linux"
 2:
 	.balign 4
 3:
 	.long LINUX_VERSION_CODE
 4:
 	.balign 4
 	.previous
 #endif
 
 	.section .eh_frame,"a",@progbits
 .LSTARTFRAMEDLSI0:
 	.long .LENDCIEDLSI0-.LSTARTCIEDLSI0
 .LSTARTCIEDLSI0:
 	.long 0					/* CIE ID */
 	.byte 1					/* Version number */
 	.string "zR"				/* NULL-terminated
 						 * augmentation string
 						 */
 	.uleb128 1				/* Code alignment factor */
 	.sleb128 -4				/* Data alignment factor */
 	.byte 8					/* Return address register column */
 	.uleb128 1				/* Augmentation value length */
 	.byte 0x1b				/* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
 	.byte 0x0c				/* DW_CFA_def_cfa */
 	.uleb128 4
 	.uleb128 4
 	.byte 0x88				/* DW_CFA_offset, column 0x8 */
 	.uleb128 1
 	.align 4
 .LENDCIEDLSI0:
 	.long .LENDFDEDLSI0-.LSTARTFDEDLSI0	/* Length FDE */
 .LSTARTFDEDLSI0:
 	.long .LSTARTFDEDLSI0-.LSTARTFRAMEDLSI0	/* CIE pointer */
 	.long .startrtsigcode-.			/* PC-relative start address */
 	.long .endrtsigcode-.startrtsigcode
 	.uleb128 0
 	.align 4
 .LENDFDEDLSI0:
 	.previous
diff --git a/sys/arm64/linux/linux_locore.asm b/sys/arm64/linux/linux_locore.asm
index 5f0729b363e8..24a48d74f7b5 100644
--- a/sys/arm64/linux/linux_locore.asm
+++ b/sys/arm64/linux/linux_locore.asm
@@ -1,67 +1,50 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (C) 2018 Turing Robotic Industries Inc.
  * Copyright (C) 2020 Andrew Turner <andrew@FreeBSD.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 /*
  * arm64 Linux VDSO implementation.
  */
 
 #include <machine/asm.h>
 
 #include <arm64/linux/linux_syscall.h>
 
 	.data
 
 	.globl linux_platform
 linux_platform:
 	.asciz "aarch64"
 
 	.text
 
 ENTRY(__kernel_rt_sigreturn)
 	brk #0 /* LINUXTODO: implement __kernel_rt_sigreturn */
 	ret
 END(__kernel_rt_sigreturn)
-
-ENTRY(__kernel_gettimeofday)
-	ldr	x8, =LINUX_SYS_gettimeofday
-	svc	#0
-	ret
-END(__kernel_gettimeofday)
-
-ENTRY(__kernel_clock_gettime)
-	ldr	x8, =LINUX_SYS_linux_clock_gettime
-	svc	#0
-	ret
-END(__kernel_clock_gettime)
-
-ENTRY(__kernel_clock_getres)
-	brk #0 /* LINUXTODO: implement __kernel_clock_getres */
-	ret
-END(__kernel_clock_getres)