4 files changed, 10 insertions, 10 deletions

diff --git a/src/WixToolset.Core/Preprocess/IfDefEventHandler.cs b/src/WixToolset.Core/Preprocess/IfDefEventHandler.cs
index ff181d61..6b56638a 100644
--- a/src/WixToolset.Core/Preprocess/IfDefEventHandler.cs
+++ b/src/WixToolset.Core/Preprocess/IfDefEventHandler.cs
@@ -5,9 +5,9 @@ namespace WixToolset.Core.Preprocess
     using System;
     using WixToolset.Data;
 
-    public delegate void IfDefEventHandler(object sender, IfDefEventArgs e);
+    internal delegate void IfDefEventHandler(object sender, IfDefEventArgs e);
 
-    public class IfDefEventArgs : EventArgs
+    internal class IfDefEventArgs : EventArgs
     {
         public IfDefEventArgs(SourceLineNumber sourceLineNumbers, bool isIfDef, bool isDefined, string variableName)
         {
diff --git a/src/WixToolset.Core/Preprocess/IncludedFileEventHandler.cs b/src/WixToolset.Core/Preprocess/IncludedFileEventHandler.cs
index beba216d..3c8ff2e8 100644
--- a/src/WixToolset.Core/Preprocess/IncludedFileEventHandler.cs
+++ b/src/WixToolset.Core/Preprocess/IncludedFileEventHandler.cs
@@ -9,13 +9,13 @@ namespace WixToolset.Core.Preprocess
     /// Included file event handler delegate.
     /// </summary>
     /// <param name="sender">Sender of the message.</param>
-    /// <param name="ea">Arguments for the included file event.</param>
-    public delegate void IncludedFileEventHandler(object sender, IncludedFileEventArgs e);
+    /// <param name="e">Arguments for the included file event.</param>
+    internal delegate void IncludedFileEventHandler(object sender, IncludedFileEventArgs e);
 
     /// <summary>
     /// Event args for included file event.
     /// </summary>
-    public class IncludedFileEventArgs : EventArgs
+    internal class IncludedFileEventArgs : EventArgs
     {
         /// <summary>
         /// Creates a new IncludedFileEventArgs.
diff --git a/src/WixToolset.Core/Preprocess/ProcessedStreamEventHandler.cs b/src/WixToolset.Core/Preprocess/ProcessedStreamEventHandler.cs
index b2a4ddb1..672b4b9f 100644
--- a/src/WixToolset.Core/Preprocess/ProcessedStreamEventHandler.cs
+++ b/src/WixToolset.Core/Preprocess/ProcessedStreamEventHandler.cs
@@ -9,13 +9,13 @@ namespace WixToolset.Core.Preprocess
     /// Preprocessed output stream event handler delegate.
     /// </summary>
     /// <param name="sender">Sender of the message.</param>
-    /// <param name="ea">Arguments for the preprocessed stream event.</param>
-    public delegate void ProcessedStreamEventHandler(object sender, ProcessedStreamEventArgs e);
+    /// <param name="e">Arguments for the preprocessed stream event.</param>
+    internal delegate void ProcessedStreamEventHandler(object sender, ProcessedStreamEventArgs e);
 
     /// <summary>
     /// Event args for preprocessed stream event.
     /// </summary>
-    public class ProcessedStreamEventArgs : EventArgs
+    internal class ProcessedStreamEventArgs : EventArgs
     {
         /// <summary>
         /// Creates a new ProcessedStreamEventArgs.
diff --git a/src/WixToolset.Core/Preprocess/ResolvedVariableEventHandler.cs b/src/WixToolset.Core/Preprocess/ResolvedVariableEventHandler.cs
index df3a7e6a..6d159ad0 100644
--- a/src/WixToolset.Core/Preprocess/ResolvedVariableEventHandler.cs
+++ b/src/WixToolset.Core/Preprocess/ResolvedVariableEventHandler.cs
@@ -5,9 +5,9 @@ namespace WixToolset.Core.Preprocess
     using System;
     using WixToolset.Data;
 
-    public delegate void ResolvedVariableEventHandler(object sender, ResolvedVariableEventArgs e);
+    internal delegate void ResolvedVariableEventHandler(object sender, ResolvedVariableEventArgs e);
 
-    public class ResolvedVariableEventArgs : EventArgs
+    internal class ResolvedVariableEventArgs : EventArgs
     {
         public ResolvedVariableEventArgs(SourceLineNumber sourceLineNumbers, string variableName, string variableValue)
         {