diff --git a/test/OpenTelemetry.Tests/Metrics/MetricAPITest.cs b/test/OpenTelemetry.Tests/Metrics/MetricAPITest.cs
index 668a6aa1328..f2e06df3a31 100644
--- a/test/OpenTelemetry.Tests/Metrics/MetricAPITest.cs
+++ b/test/OpenTelemetry.Tests/Metrics/MetricAPITest.cs
@@ -284,8 +284,7 @@ void ProcessExport(Batch<Metric> batch)
             // Block until all threads started.
             mreToEnsureAllThreadsStarted.WaitOne();
 
-            Stopwatch sw = new Stopwatch();
-            sw.Start();
+            Stopwatch sw = Stopwatch.StartNew();
 
             // unblock all the threads.
             // (i.e let them start counter.Add)
@@ -354,8 +353,7 @@ void ProcessExport(Batch<Metric> batch)
             // Block until all threads started.
             mreToEnsureAllThreadsStarted.WaitOne();
 
-            Stopwatch sw = new Stopwatch();
-            sw.Start();
+            Stopwatch sw = Stopwatch.StartNew();
 
             // unblock all the threads.
             // (i.e let them start counter.Add)
diff --git a/test/StressTestMetrics/Program.cs b/test/StressTestMetrics/Program.cs
index bd2e102f957..872fb4af49e 100644
--- a/test/StressTestMetrics/Program.cs
+++ b/test/StressTestMetrics/Program.cs
@@ -38,8 +38,7 @@ public static void Main(string[] args)
             using var meterProvider = Sdk.CreateMeterProviderBuilder()
                 .AddSource("TestMeter")
                 .Build();
-            Stopwatch sw = new Stopwatch();
-            sw.Start();
+            Stopwatch sw = Stopwatch.StartNew();
 
             Parallel.Invoke(
                 () =>