diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index f6db839000690..4a1ab2f4f75c3 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -898,7 +898,7 @@ static void genACC(Fortran::lower::AbstractConverter &converter,
   const auto &accClauseList =
       std::get<Fortran::parser::AccClauseList>(waitConstruct.t);
 
-  mlir::Value ifCond, asyncOperand, waitDevnum, async;
+  mlir::Value ifCond, waitDevnum, async;
   SmallVector<mlir::Value> waitOperands;
 
   // Async clause have optional values but can be present with