diff --git a/flang/unittests/Optimizer/Builder/Runtime/CharacterTest.cpp b/flang/unittests/Optimizer/Builder/Runtime/CharacterTest.cpp
index 3ab30ff380bf..315f8c80dc33 100644
--- a/flang/unittests/Optimizer/Builder/Runtime/CharacterTest.cpp
+++ b/flang/unittests/Optimizer/Builder/Runtime/CharacterTest.cpp
@@ -84,7 +84,7 @@ void checkCharCompare2(
   auto cmpOp = mlir::dyn_cast<mlir::arith::CmpIOp>(res.getDefiningOp());
   checkCallOp(cmpOp.getLhs().getDefiningOp(), fctName, 4, /*addLocArgs=*/false);
   auto allocas = res.getParentBlock()->getOps<fir::AllocaOp>();
-  EXPECT_TRUE(llvm::empty(allocas));
+  EXPECT_TRUE(allocas.empty());
 }
 
 TEST_F(RuntimeCallTest, genCharCompare2Test) {