diff --git a/src/BenchmarkDotNet.Core/Portability/RuntimeInformation.cs b/src/BenchmarkDotNet.Core/Portability/RuntimeInformation.cs
index 6ed819368..1f179c647 100644
--- a/src/BenchmarkDotNet.Core/Portability/RuntimeInformation.cs
+++ b/src/BenchmarkDotNet.Core/Portability/RuntimeInformation.cs
@@ -19,7 +19,7 @@ using System.Management;
 
 namespace BenchmarkDotNet.Portability
 {
-    public class RuntimeInformation
+    internal static class RuntimeInformation
     {
         private static readonly bool isMono = Type.GetType("Mono.Runtime") != null; // it allocates a lot of memory, we need to check it once in order to keep Enging non-allocating!