diff --git a/src/Runner.Worker/Container/DockerUtil.cs b/src/Runner.Worker/Container/DockerUtil.cs
index 5d0c3c6fbac..4af217f9499 100644
--- a/src/Runner.Worker/Container/DockerUtil.cs
+++ b/src/Runner.Worker/Container/DockerUtil.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
diff --git a/src/Runner.Worker/Handlers/ContainerActionHandler.cs b/src/Runner.Worker/Handlers/ContainerActionHandler.cs
index 05c3d9cc8c7..67df565e1e1 100644
--- a/src/Runner.Worker/Handlers/ContainerActionHandler.cs
+++ b/src/Runner.Worker/Handlers/ContainerActionHandler.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
diff --git a/src/Test/L0/Container/DockerUtilL0.cs b/src/Test/L0/Container/DockerUtilL0.cs
index 37a7d411b14..ec358143017 100644
--- a/src/Test/L0/Container/DockerUtilL0.cs
+++ b/src/Test/L0/Container/DockerUtilL0.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using GitHub.Runner.Worker.Container;
 using Xunit;