diff --git a/src/libraries/System.Speech/tests/SynthesizeRecognizeTests.cs b/src/libraries/System.Speech/tests/SynthesizeRecognizeTests.cs
index 1bcdaaa8417d3d..3ae7d5697efe66 100644
--- a/src/libraries/System.Speech/tests/SynthesizeRecognizeTests.cs
+++ b/src/libraries/System.Speech/tests/SynthesizeRecognizeTests.cs
@@ -38,7 +38,6 @@ public void SpeechSynthesizerToSpeechRecognitionEngine()
             {
                 synth.SetOutputToWaveStream(ms);
                 var prompt = new Prompt("synthesizer");
-                synth.SetOutputToDefaultAudioDevice();
                 synth.Speak(prompt);
             }