diff --git a/cpp/test/reader/tsfile_reader_test.cc b/cpp/test/reader/tsfile_reader_test.cc
index a9ae1f84a..27d57d0db 100644
--- a/cpp/test/reader/tsfile_reader_test.cc
+++ b/cpp/test/reader/tsfile_reader_test.cc
@@ -94,7 +94,7 @@ class TsFileReaderTest : public ::testing::Test {
 
     void TearDown() override {
         delete tsfile_writer_;
-        // remove(file_name_.c_str());
+        remove(file_name_.c_str());
         libtsfile_destroy();
     }