diff --git a/arch/nt32/bits/user.h b/arch/nt32/bits/user.h
index fa62362..e69de29 100644
--- a/arch/nt32/bits/user.h
+++ b/arch/nt32/bits/user.h
@@ -1,48 +0,0 @@
-#undef __WORDSIZE
-#define __WORDSIZE 32
-
-typedef struct user_fpregs_struct
-{
-	long cwd, swd, twd, fip, fcs, foo, fos, st_space[20];
-} elf_fpregset_t;
-
-typedef struct user_fpxregs_struct
-{
-	unsigned short cwd, swd, twd, fop;
-	long fip, fcs, foo, fos, mxcsr, reserved;
-	long st_space[32], xmm_space[32], padding[56];
-} elf_fpxregset_t;
-
-struct user_regs_struct
-{
-	long ebx, ecx, edx, esi, edi, ebp, eax, xds, xes, xfs, xgs;
-	long orig_eax, eip, xcs, eflags, esp, xss;
-};
-
-#define ELF_NGREG 17
-typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
-
-struct user
-{
-	struct user_regs_struct		regs;
-	int				u_fpvalid;
-	struct user_fpregs_struct	i387;
-	unsigned long			u_tsize;
-	unsigned long			u_dsize;
-	unsigned long			u_ssize;
-	unsigned long			start_code;
-	unsigned long			start_stack;
-	long				signal;
-	int				reserved;
-	struct user_regs_struct		*u_ar0;
-	struct user_fpregs_struct	*u_fpstate;
-	unsigned long			magic;
-	char				u_comm[32];
-	int				u_debugreg[8];
-};
-
-#define PAGE_MASK		(~(PAGE_SIZE-1))
-#define NBPG			PAGE_SIZE
-#define UPAGES			1
-#define HOST_TEXT_START_ADDR	(u.start_code)
-#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)
diff --git a/arch/nt64/bits/user.h b/arch/nt64/bits/user.h
index 1bd2d70..e69de29 100644
--- a/arch/nt64/bits/user.h
+++ b/arch/nt64/bits/user.h
@@ -1,44 +0,0 @@
-#undef __WORDSIZE
-#define __WORDSIZE 64
-
-typedef struct user_fpregs_struct
-{
-	uint16_t cwd, swd, ftw, fop;
-	uint64_t rip, rdp;
-	uint32_t mxcsr, mxcr_mask;
-	uint32_t st_space[32], xmm_space[64], padding[24];
-} elf_fpregset_t;
-
-struct user_regs_struct
-{
-	unsigned long r15, r14, r13, r12, rbp, rbx, r11, r10, r9, r8;
-	unsigned long rax, rcx, rdx, rsi, rdi, orig_rax, rip;
-	unsigned long cs, eflags, rsp, ss, fs_base, gs_base, ds, es, fs, gs;
-};
-#define ELF_NGREG 27
-typedef unsigned long long elf_greg_t, elf_gregset_t[ELF_NGREG];
-
-struct user
-{
-	struct user_regs_struct		regs;
-	int				u_fpvalid;
-	struct user_fpregs_struct	i387;
-	unsigned long			u_tsize;
-	unsigned long			u_dsize;
-	unsigned long			u_ssize;
-	unsigned long			start_code;
-	unsigned long			start_stack;
-	long				signal;
-	int				reserved;
-	struct user_regs_struct		*u_ar0;
-	struct user_fpregs_struct	*u_fpstate;
-	unsigned long			magic;
-	char				u_comm[32];
-	unsigned long			u_debugreg[8];
-};
-
-#define PAGE_MASK		(~(PAGE_SIZE-1))
-#define NBPG			PAGE_SIZE
-#define UPAGES			1
-#define HOST_TEXT_START_ADDR	(u.start_code)
-#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)