diff --git a/disas/riscv.c b/disas/riscv.c
index 489c2ae5e8..f107d94c4c 100644
--- a/disas/riscv.c
+++ b/disas/riscv.c
@@ -1304,8 +1304,6 @@ static const char *csr_name(int csrno)
     case 0x0043: return "utval";
     case 0x0044: return "uip";
     case 0x0100: return "sstatus";
-    case 0x0102: return "sedeleg";
-    case 0x0103: return "sideleg";
     case 0x0104: return "sie";
     case 0x0105: return "stvec";
     case 0x0106: return "scounteren";
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index 7be12cac2e..b762807e4e 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -190,8 +190,6 @@
 
 /* Supervisor Trap Setup */
 #define CSR_SSTATUS         0x100
-#define CSR_SEDELEG         0x102
-#define CSR_SIDELEG         0x103
 #define CSR_SIE             0x104
 #define CSR_STVEC           0x105
 #define CSR_SCOUNTEREN      0x106