diff --git a/insns/insn_sb.py b/insns/insn_sb.py
index 82968ec..e7a25b6 100644
--- a/insns/insn_sb.py
+++ b/insns/insn_sb.py
@@ -67,8 +67,6 @@ class rvfi_insn_sb(Elaboratable):
         # SB instruction
         addr = Signal(self.RISCV_FORMAL_XLEN)
         m.d.comb += addr.eq(self.rvfi_rs1_rdata + insn_imm)
-        result = Signal(8)
-        m.d.comb += result.eq(self.rvfi_mem_rdata)
         m.d.comb += self.spec_valid.eq(self.rvfi_valid & (~insn_padding) & (insn_funct3 == 0b000) & (insn_opcode == 0b0100011))
         m.d.comb += self.spec_rs1_addr.eq(insn_rs1)
         m.d.comb += self.spec_rs2_addr.eq(insn_rs2)