Index: riscv/encoding.h
--- riscv/encoding.h.orig
+++ riscv/encoding.h
@@ -221,55 +221,6 @@
 
 #define PTE_TABLE(PTE) (((PTE) & (PTE_V | PTE_R | PTE_W | PTE_X)) == PTE_V)
 
-#ifdef __riscv
-
-#if __riscv_xlen == 64
-# define MSTATUS_SD MSTATUS64_SD
-# define SSTATUS_SD SSTATUS64_SD
-# define RISCV_PGLEVEL_BITS 9
-# define SATP_MODE SATP64_MODE
-#else
-# define MSTATUS_SD MSTATUS32_SD
-# define SSTATUS_SD SSTATUS32_SD
-# define RISCV_PGLEVEL_BITS 10
-# define SATP_MODE SATP32_MODE
-#endif
-#define RISCV_PGSHIFT 12
-#define RISCV_PGSIZE (1 << RISCV_PGSHIFT)
-
-#ifndef __ASSEMBLER__
-
-#ifdef __GNUC__
-
-#define read_csr(reg) ({ unsigned long __tmp; \
-  asm volatile ("csrr %0, " #reg : "=r"(__tmp)); \
-  __tmp; })
-
-#define write_csr(reg, val) ({ \
-  asm volatile ("csrw " #reg ", %0" :: "rK"(val)); })
-
-#define swap_csr(reg, val) ({ unsigned long __tmp; \
-  asm volatile ("csrrw %0, " #reg ", %1" : "=r"(__tmp) : "rK"(val)); \
-  __tmp; })
-
-#define set_csr(reg, bit) ({ unsigned long __tmp; \
-  asm volatile ("csrrs %0, " #reg ", %1" : "=r"(__tmp) : "rK"(bit)); \
-  __tmp; })
-
-#define clear_csr(reg, bit) ({ unsigned long __tmp; \
-  asm volatile ("csrrc %0, " #reg ", %1" : "=r"(__tmp) : "rK"(bit)); \
-  __tmp; })
-
-#define rdtime() read_csr(time)
-#define rdcycle() read_csr(cycle)
-#define rdinstret() read_csr(instret)
-
-#endif
-
-#endif
-
-#endif
-
 #endif
 /* Automatically generated by parse_opcodes.  */
 #ifndef RISCV_ENCODING_H