diff --git a/mlir/unittests/IR/RemarkTest.cpp b/mlir/unittests/IR/RemarkTest.cpp
index 09c576c992b49..94753c10a9a93 100644
--- a/mlir/unittests/IR/RemarkTest.cpp
+++ b/mlir/unittests/IR/RemarkTest.cpp
@@ -327,8 +327,6 @@ TEST(Remark, TestRemarkFinal) {
 
   std::string categoryLoopunroll("LoopUnroll");
 
-  std::string seenMsg = "";
-
   {
     MLIRContext context;
     Location loc = FileLineColLoc::get(&context, "test.cpp", 1, 5);