diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 136fc1de73..52648e3af0 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -181,7 +181,6 @@ struct CPUArchState {
     target_ulong guest_phys_fault_addr;
 
     target_ulong priv_ver;
-    target_ulong bext_ver;
     target_ulong vext_ver;
 
     /* RISCVMXL, but uint32_t for vmstate migration */
diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
index 780ae6ef17..0612668144 100644
--- a/target/riscv/cpu_cfg.h
+++ b/target/riscv/cpu_cfg.h
@@ -140,8 +140,6 @@ struct RISCVCPUConfig {
 
     uint32_t pmu_mask;
     char *priv_spec;
-    char *user_spec;
-    char *bext_spec;
     char *vext_spec;
     uint16_t vlen;
     uint16_t elen;