diff --git a/include/uapi/Kbuild b/include/uapi/Kbuild
index 61ee6e59c9..850597437b 100644
--- a/include/uapi/Kbuild
+++ b/include/uapi/Kbuild
@@ -1,8 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
-ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/a.out.h),)
-no-export-headers += linux/a.out.h
-endif
-
 ifeq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/kvm.h),)
 no-export-headers += linux/kvm.h
 endif
diff --git a/include/uapi/linux/a.out.h b/include/uapi/linux/a.out.h
deleted file mode 100644
index 5fafde3798..0000000000
--- a/include/uapi/linux/a.out.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _UAPI__A_OUT_GNU_H__
-#define _UAPI__A_OUT_GNU_H__
-
-#define __GNU_EXEC_MACROS__
-
-#ifndef __STRUCT_EXEC_OVERRIDE__
-
-#include <asm/a.out.h>
-
-#endif /* __STRUCT_EXEC_OVERRIDE__ */
-
-#ifndef __ASSEMBLY__
-
-/* these go in the N_MACHTYPE field */
-enum machine_type {
-#if defined (M_OLDSUN2)
-  M__OLDSUN2 = M_OLDSUN2,
-#else
-  M_OLDSUN2 = 0,
-#endif
-#if defined (M_68010)
-  M__68010 = M_68010,
-#else
-  M_68010 = 1,
-#endif
-#if defined (M_68020)
-  M__68020 = M_68020,
-#else
-  M_68020 = 2,
-#endif
-#if defined (M_SPARC)
-  M__SPARC = M_SPARC,
-#else
-  M_SPARC = 3,
-#endif
-  /* skip a bunch so we don't run into any of sun's numbers */
-  M_386 = 100,
-  M_MIPS1 = 151,	/* MIPS R3000/R3000 binary */
-  M_MIPS2 = 152		/* MIPS R6000/R4000 binary */
-};
-
-#if !defined (N_MAGIC)
-#define N_MAGIC(exec) ((exec).a_info & 0xffff)
-#endif
-#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
-#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
-#define N_SET_INFO(exec, magic, type, flags) \
-	((exec).a_info = ((magic) & 0xffff) \
-	 | (((int)(type) & 0xff) << 16) \
-	 | (((flags) & 0xff) << 24))
-#define N_SET_MAGIC(exec, magic) \
-	((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
-
-#define N_SET_MACHTYPE(exec, machtype) \
-	((exec).a_info = \
-	 ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
-
-#define N_SET_FLAGS(exec, flags) \
-	((exec).a_info = \
-	 ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
-
-/* Code indicating object file or impure executable.  */
-#define OMAGIC 0407
-/* Code indicating pure executable.  */
-#define NMAGIC 0410
-/* Code indicating demand-paged executable.  */
-#define ZMAGIC 0413
-/* This indicates a demand-paged executable with the header in the text. 
-   The first page is unmapped to help trap NULL pointer references */
-#define QMAGIC 0314
-
-/* Code indicating core file.  */
-#define CMAGIC 0421
-
-#if !defined (N_BADMAG)
-#define N_BADMAG(x)	  (N_MAGIC(x) != OMAGIC		\
-			&& N_MAGIC(x) != NMAGIC		\
-  			&& N_MAGIC(x) != ZMAGIC \
-		        && N_MAGIC(x) != QMAGIC)
-#endif
-
-#define _N_HDROFF(x) (1024 - sizeof (struct exec))
-
-#if !defined (N_TXTOFF)
-#define N_TXTOFF(x) \
- (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
-  (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
-#endif
-
-#if !defined (N_DATOFF)
-#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
-#endif
-
-#if !defined (N_TRELOFF)
-#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
-#endif
-
-#if !defined (N_DRELOFF)
-#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
-#endif
-
-#if !defined (N_SYMOFF)
-#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
-#endif
-
-#if !defined (N_STROFF)
-#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
-#endif
-
-/* Address of text segment in memory after it is loaded.  */
-#if !defined (N_TXTADDR)
-#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0)
-#endif
-
-/* Address of data segment in memory after it is loaded. */
-#ifndef __KERNEL__
-#include <unistd.h>
-#endif
-#if defined(__i386__) || defined(__mc68000__)
-#define SEGMENT_SIZE	1024
-#else
-#ifndef SEGMENT_SIZE
-#ifndef __KERNEL__
-#define SEGMENT_SIZE   getpagesize()
-#endif
-#endif
-#endif
-
-#define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE)
-
-#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
-
-#ifndef N_DATADDR
-#define N_DATADDR(x) \
-    (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \
-     : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
-#endif
-
-/* Address of bss segment in memory after it is loaded.  */
-#if !defined (N_BSSADDR)
-#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
-#endif
-
-#if !defined (N_NLIST_DECLARED)
-struct nlist {
-  union {
-    char *n_name;
-    struct nlist *n_next;
-    long n_strx;
-  } n_un;
-  unsigned char n_type;
-  char n_other;
-  short n_desc;
-  unsigned long n_value;
-};
-#endif /* no N_NLIST_DECLARED.  */
-
-#if !defined (N_UNDF)
-#define N_UNDF 0
-#endif
-#if !defined (N_ABS)
-#define N_ABS 2
-#endif
-#if !defined (N_TEXT)
-#define N_TEXT 4
-#endif
-#if !defined (N_DATA)
-#define N_DATA 6
-#endif
-#if !defined (N_BSS)
-#define N_BSS 8
-#endif
-#if !defined (N_FN)
-#define N_FN 15
-#endif
-
-#if !defined (N_EXT)
-#define N_EXT 1
-#endif
-#if !defined (N_TYPE)
-#define N_TYPE 036
-#endif
-#if !defined (N_STAB)
-#define N_STAB 0340
-#endif
-
-/* The following type indicates the definition of a symbol as being
-   an indirect reference to another symbol.  The other symbol
-   appears as an undefined reference, immediately following this symbol.
-
-   Indirection is asymmetrical.  The other symbol's value will be used
-   to satisfy requests for the indirect symbol, but not vice versa.
-   If the other symbol does not have a definition, libraries will
-   be searched to find a definition.  */
-#define N_INDR 0xa
-
-/* The following symbols refer to set elements.
-   All the N_SET[ATDB] symbols with the same name form one set.
-   Space is allocated for the set in the text section, and each set
-   element's value is stored into one word of the space.
-   The first word of the space is the length of the set (number of elements).
-
-   The address of the set is made into an N_SETV symbol
-   whose name is the same as the name of the set.
-   This symbol acts like a N_DATA global symbol
-   in that it can satisfy undefined external references.  */
-
-/* These appear as input to LD, in a .o file.  */
-#define	N_SETA	0x14		/* Absolute set element symbol */
-#define	N_SETT	0x16		/* Text set element symbol */
-#define	N_SETD	0x18		/* Data set element symbol */
-#define	N_SETB	0x1A		/* Bss set element symbol */
-
-/* This is output from LD.  */
-#define N_SETV	0x1C		/* Pointer to set vector in data area.  */
-
-#if !defined (N_RELOCATION_INFO_DECLARED)
-/* This structure describes a single relocation to be performed.
-   The text-relocation section of the file is a vector of these structures,
-   all of which apply to the text section.
-   Likewise, the data-relocation section applies to the data section.  */
-
-struct relocation_info
-{
-  /* Address (within segment) to be relocated.  */
-  int r_address;
-  /* The meaning of r_symbolnum depends on r_extern.  */
-  unsigned int r_symbolnum:24;
-  /* Nonzero means value is a pc-relative offset
-     and it should be relocated for changes in its own address
-     as well as for changes in the symbol or section specified.  */
-  unsigned int r_pcrel:1;
-  /* Length (as exponent of 2) of the field to be relocated.
-     Thus, a value of 2 indicates 1<<2 bytes.  */
-  unsigned int r_length:2;
-  /* 1 => relocate with value of symbol.
-          r_symbolnum is the index of the symbol
-	  in file's the symbol table.
-     0 => relocate with the address of a segment.
-          r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS
-	  (the N_EXT bit may be set also, but signifies nothing).  */
-  unsigned int r_extern:1;
-  /* Four bits that aren't used, but when writing an object file
-     it is desirable to clear them.  */
-  unsigned int r_pad:4;
-};
-#endif /* no N_RELOCATION_INFO_DECLARED.  */
-
-#endif /*__ASSEMBLY__ */
-#endif /* _UAPI__A_OUT_GNU_H__ */
