From 3e224a0d3d6529468e78e18147b9a236bea5b96c Mon Sep 17 00:00:00 2001
From: Thibaud DESODT <thibaud.desodt@dgtresor.gouv.fr>
Date: Tue, 24 Oct 2017 07:20:39 +0200
Subject: [PATCH] Remove "using System.Collections.ObjectModel"

---
 src/Serilog/Configuration/LoggerSettingsConfiguration.cs   | 1 -
 src/Serilog/Settings/KeyValuePairs/KeyValuePairSettings.cs | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/Serilog/Configuration/LoggerSettingsConfiguration.cs b/src/Serilog/Configuration/LoggerSettingsConfiguration.cs
index 3b40ca44d..ce279f0eb 100644
--- a/src/Serilog/Configuration/LoggerSettingsConfiguration.cs
+++ b/src/Serilog/Configuration/LoggerSettingsConfiguration.cs
@@ -14,7 +14,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.Linq;
 using Serilog.Settings.KeyValuePairs;
 
diff --git a/src/Serilog/Settings/KeyValuePairs/KeyValuePairSettings.cs b/src/Serilog/Settings/KeyValuePairs/KeyValuePairSettings.cs
index 3870b5dea..96d8a8ae5 100644
--- a/src/Serilog/Settings/KeyValuePairs/KeyValuePairSettings.cs
+++ b/src/Serilog/Settings/KeyValuePairs/KeyValuePairSettings.cs
@@ -14,7 +14,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.Linq;
 using System.Reflection;
 using System.Text.RegularExpressions;
@@ -203,7 +202,7 @@ where matchLevelSwitchDeclarations.IsMatch(wt.Key)
                 }
                 namedSwitches.Add(switchName, newSwitch);
             }
-            return new ReadOnlyDictionary<string, LoggingLevelSwitch>(namedSwitches);
+            return namedSwitches;
         }
 
         static LoggingLevelSwitch LookUpSwitchByName(string switchName, IReadOnlyDictionary<string, LoggingLevelSwitch> declaredLevelSwitches)