diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
index e75dfe33814c6..5b8cfb2100b26 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
@@ -407,7 +407,6 @@ enum OperandType : unsigned {
   OPERAND_SIMM5_PLUS1,
   OPERAND_SIMM6,
   OPERAND_SIMM6_NONZERO,
-  OPERAND_SIMM8,
   OPERAND_SIMM8_UNSIGNED,
   OPERAND_SIMM10,
   OPERAND_SIMM10_LSB0000_NONZERO,