diff --git a/src/Serilog/Core/IScalarConversionPolicy.cs b/src/Serilog/Core/IScalarConversionPolicy.cs
index 8c070fb33..f4e9ed2b5 100644
--- a/src/Serilog/Core/IScalarConversionPolicy.cs
+++ b/src/Serilog/Core/IScalarConversionPolicy.cs
@@ -6,7 +6,7 @@ namespace Serilog.Core
     /// Determine how a simple value is carried through the logging
     /// pipeline as an immutable <see cref="ScalarValue"/>.
     /// </summary>
-    public interface IScalarConversionPolicy
+    interface IScalarConversionPolicy
     {
         /// <summary>
         /// If supported, convert the provided value into an immutable scalar.