diff --git a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
index 605a0d76d094..4b85955a97be 100644
--- a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
+++ b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
@@ -306,7 +306,6 @@ static DecodeStatus decodeRVCInstrSImm(MCInst &Inst, unsigned Insn,
   DecodeStatus Result = decodeSImmOperand<6>(Inst, SImm6, Address, Decoder);
   (void)Result;
   assert(Result == MCDisassembler::Success && "Invalid immediate");
-  (void)SImm6;
   return MCDisassembler::Success;
 }
 
@@ -319,7 +318,6 @@ static DecodeStatus decodeRVCInstrRdSImm(MCInst &Inst, unsigned Insn,
   DecodeStatus Result = decodeSImmOperand<6>(Inst, SImm6, Address, Decoder);
   (void)Result;
   assert(Result == MCDisassembler::Success && "Invalid immediate");
-  (void)SImm6;
   return MCDisassembler::Success;
 }
 
@@ -333,7 +331,6 @@ static DecodeStatus decodeRVCInstrRdRs1UImm(MCInst &Inst, unsigned Insn,
   DecodeStatus Result = decodeUImmOperand<6>(Inst, UImm6, Address, Decoder);
   (void)Result;
   assert(Result == MCDisassembler::Success && "Invalid immediate");
-  (void)UImm6;
   return MCDisassembler::Success;
 }