diff --git a/onnxruntime/test/framework/inference_session_test.cc b/onnxruntime/test/framework/inference_session_test.cc
index c2010b3af2..e83dcaddeb 100644
--- a/onnxruntime/test/framework/inference_session_test.cc
+++ b/onnxruntime/test/framework/inference_session_test.cc
@@ -926,7 +926,6 @@ TEST(InferenceSessionTests, TestOptionalInputs) {
   status = RunOptionalInputTest(true, true, true);
   ASSERT_FALSE(status.IsOK());
   EXPECT_THAT(status.ErrorMessage(), testing::HasSubstr("Invalid Feed Input Names: unknown_input"));
-  EXPECT_THAT(status.ErrorMessage(), testing::HasSubstr("Valid input names are: required_input optional_input"));
 
   // missing required
   status = RunOptionalInputTest(false, true, false);