diff --git a/gen/gen_code.cpp b/gen/gen_code.cpp
index cb62be3..499c6d6 100644
--- a/gen/gen_code.cpp
+++ b/gen/gen_code.cpp
@@ -684,7 +684,6 @@ void put()
 		};
 		for (int i = 0; i < NUM_OF_ARRAY(tbl); i++) {
 			const Tbl *p = &tbl[i];
-			int preCode = 0x38;
 			printf("void %s(const Mmx& mmx, const Operand& op) { opMMX(mmx, op, 0x%02X, 0x66, NONE, 0x38); }\n", p->name, p->code);
 		}
 		printf("void palignr(const Mmx& mmx, const Operand& op, int imm) { opMMX(mmx, op, 0x0f, 0x66, static_cast<uint8>(imm), 0x3a); }\n");