diff --git a/src/Test/L0/TestHostContext.cs b/src/Test/L0/TestHostContext.cs
index 6f2b6aed1..622c19bde 100644
--- a/src/Test/L0/TestHostContext.cs
+++ b/src/Test/L0/TestHostContext.cs
@@ -72,8 +72,6 @@ namespace GitHub.Runner.Common.Tests
 
         public CultureInfo DefaultCulture { get; private set; }
 
-        public RunMode RunMode { get; set; }
-
         public string TraceFileName { get; private set; }
 
         public StartupType StartupType