diff --git a/Build/Props/CodeJam.Default.props b/Build/Props/CodeJam.Default.props
index b49fee11..848b8f8c 100644
--- a/Build/Props/CodeJam.Default.props
+++ b/Build/Props/CodeJam.Default.props
@@ -10,9 +10,7 @@
 
 		<LangVersion>9.0</LangVersion>
 		<Nullable>enable</Nullable>
-		<AnalysisLevel>latest</AnalysisLevel>
-		<EnableNETAnalyzers>true</EnableNETAnalyzers>
-		<AnalysisMode>AllEnabledByDefault</AnalysisMode>
+		<RunAnalyzers>False</RunAnalyzers>
 
 		<Version>4.0.0.0</Version>
 		<PackageVersion>4.0.0-beta2</PackageVersion>
diff --git a/CodeJam.Main/Targeting/PlatformHelper.cs b/CodeJam.Main.Tests/PlatformHelper.cs
similarity index 100%
rename from CodeJam.Main/Targeting/PlatformHelper.cs
rename to CodeJam.Main.Tests/PlatformHelper.cs
diff --git a/CodeJam.Main/Strings/StringExtensions.cs b/CodeJam.Main/Strings/StringExtensions.cs
index 1c963b81..1139018a 100644
--- a/CodeJam.Main/Strings/StringExtensions.cs
+++ b/CodeJam.Main/Strings/StringExtensions.cs
@@ -101,7 +101,7 @@ public static string Substring(this string str, StringOrigin origin, int length)
 			return
 				origin switch
 				{
-					StringOrigin.Begin => str.Substring(0, length),
+					StringOrigin.Begin => str[..length],
 					StringOrigin.End => str.Substring(strLen - length, length),
 					_ => throw CodeExceptions.Argument(nameof(origin), $"Invalid {nameof(StringOrigin)} value.")
 					};
@@ -175,7 +175,7 @@ public static string TrimPrefix(
 				return str;
 
 			var actPrefix = str.Prefix(prefixLen);
-			return !comparer.Equals(prefix, actPrefix) ? str : str.Substring(prefixLen);
+			return !comparer.Equals(prefix, actPrefix) ? str : str[prefixLen..];
 		}
 
 		/// <summary>
@@ -203,7 +203,7 @@ public static string TrimSuffix(this string str, string? suffix, IEqualityCompar
 				return str;
 
 			var actPrefix = str.Suffix(suffixLen);
-			return !comparer.Equals(suffix, actPrefix) ? str : str.Substring(0, strLen - suffixLen);
+			return !comparer.Equals(suffix, actPrefix) ? str : str[..(strLen - suffixLen)];
 		}
 
 		/// <summary>
diff --git a/CodeJam.sln.DotSettings b/CodeJam.sln.DotSettings
index 03ecbfad..d8ef8bfe 100644
--- a/CodeJam.sln.DotSettings
+++ b/CodeJam.sln.DotSettings
@@ -25,6 +25,7 @@ Code.NotNull($EXPR$, $NAME$);</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeConstructorOrDestructorBody/@EntryIndexedValue">SUGGESTION</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeLocalFunctionBody/@EntryIndexedValue">SUGGESTION</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeMethodOrOperatorBody/@EntryIndexedValue">SUGGESTION</s:String>
+	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeObjectCreationWhenTypeNotEvident/@EntryIndexedValue">DO_NOT_SHOW</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertClosureToMethodGroup/@EntryIndexedValue">HINT</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertIfStatementToReturnStatement/@EntryIndexedValue">DO_NOT_SHOW</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConvertMethodToExpressionBody/@EntryIndexedValue">SUGGESTION</s:String>