They aren't being used.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
---
 target/riscv/cpu_cfg.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
index f4605fb190..c67a8731d3 100644
--- a/target/riscv/cpu_cfg.h
+++ b/target/riscv/cpu_cfg.h
@@ -136,8 +136,6 @@ struct RISCVCPUConfig {
 
     uint32_t pmu_mask;
     char *priv_spec;
-    char *user_spec;
-    char *bext_spec;
     char *vext_spec;
     uint16_t vlen;
     uint16_t elen;
-- 
2.43.0