diff --git a/src/Umbraco.Core/Logging/Viewer/CountingFilter.cs b/src/Umbraco.Core/Logging/Viewer/CountingFilter.cs
index cac2a90e38..bce0e0e9f8 100644
--- a/src/Umbraco.Core/Logging/Viewer/CountingFilter.cs
+++ b/src/Umbraco.Core/Logging/Viewer/CountingFilter.cs
@@ -3,7 +3,7 @@ using Serilog.Events;
 
 namespace Umbraco.Core.Logging.Viewer
 {
-    public class CountingFilter : ILogFilter
+    internal class CountingFilter : ILogFilter
     {
         public CountingFilter()
         {
diff --git a/src/Umbraco.Core/Logging/Viewer/ErrorCounterFilter.cs b/src/Umbraco.Core/Logging/Viewer/ErrorCounterFilter.cs
index 1b4864bee6..63f85b1087 100644
--- a/src/Umbraco.Core/Logging/Viewer/ErrorCounterFilter.cs
+++ b/src/Umbraco.Core/Logging/Viewer/ErrorCounterFilter.cs
@@ -2,7 +2,7 @@
 
 namespace Umbraco.Core.Logging.Viewer
 {
-    public class ErrorCounterFilter : ILogFilter
+    internal class ErrorCounterFilter : ILogFilter
     {
         public int Count { get; private set; }
 
diff --git a/src/Umbraco.Core/Logging/Viewer/ExpressionFilter.cs b/src/Umbraco.Core/Logging/Viewer/ExpressionFilter.cs
index 1b529c9be9..f38897d47e 100644
--- a/src/Umbraco.Core/Logging/Viewer/ExpressionFilter.cs
+++ b/src/Umbraco.Core/Logging/Viewer/ExpressionFilter.cs
@@ -6,7 +6,7 @@ using Serilog.Filters.Expressions;
 namespace Umbraco.Core.Logging.Viewer
 {
     //Log Expression Filters (pass in filter exp string)
-    public class ExpressionFilter : ILogFilter
+    internal class ExpressionFilter : ILogFilter
     {
         private readonly Func<LogEvent, bool> _filter;
         private const string ExpressionOperators = "()+=*<>%-";
diff --git a/src/Umbraco.Core/Logging/Viewer/JsonLogViewer.cs b/src/Umbraco.Core/Logging/Viewer/JsonLogViewer.cs
index 6abd1037a7..36cfad23e7 100644
--- a/src/Umbraco.Core/Logging/Viewer/JsonLogViewer.cs
+++ b/src/Umbraco.Core/Logging/Viewer/JsonLogViewer.cs
@@ -7,7 +7,7 @@ using Serilog.Formatting.Compact.Reader;
 
 namespace Umbraco.Core.Logging.Viewer
 {
-    public class JsonLogViewer : LogViewerSourceBase
+    internal class JsonLogViewer : LogViewerSourceBase
     {
         private readonly string _logsPath;
 
diff --git a/src/Umbraco.Core/Logging/Viewer/MessageTemplateFilter.cs b/src/Umbraco.Core/Logging/Viewer/MessageTemplateFilter.cs
index 55a3823e3e..4a724d9147 100644
--- a/src/Umbraco.Core/Logging/Viewer/MessageTemplateFilter.cs
+++ b/src/Umbraco.Core/Logging/Viewer/MessageTemplateFilter.cs
@@ -3,7 +3,7 @@ using Serilog.Events;
 
 namespace Umbraco.Core.Logging.Viewer
 {
-    public class MessageTemplateFilter : ILogFilter
+    internal class MessageTemplateFilter : ILogFilter
     {
         public readonly Dictionary<string, int> Counts = new Dictionary<string, int>();