diff --git a/.global.editorconfig.ini b/.global.editorconfig.ini
index 0f0125bb50..8f9c795fee 100644
--- a/.global.editorconfig.ini
+++ b/.global.editorconfig.ini
@@ -346,6 +346,8 @@ dotnet_diagnostic.MA0155.severity = error
 dotnet_diagnostic.MA0156.severity = error
 # Do not use 'Async' suffix when a method does not return IAsyncEnumerable<T>
 dotnet_diagnostic.MA0157.severity = error
+# Use ContainsKey instead of TryGetValue
+dotnet_diagnostic.MA0160.severity = warning
 
 ## Menees.Analyzers rules
 
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 0459d3107f..ab9017e162 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -7,7 +7,7 @@
 		<PackageVersion Include="JunitXml.TestLogger" Version="3.1.12" />
 		<PackageVersion Include="Magick.NET-Q8-AnyCPU" Version="13.9.0" />
 		<PackageVersion Include="Menees.Analyzers" Version="3.2.2" />
-		<PackageVersion Include="Meziantou.Analyzer" Version="2.0.159" />
+		<PackageVersion Include="Meziantou.Analyzer" Version="2.0.163" />
 		<PackageVersion Include="Microsoft.Bcl.HashCode" Version="1.1.1" />
 		<PackageVersion Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.3.4" />
 		<PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
diff --git a/Dist/deps.nix b/Dist/deps.nix
index c66aff8d44..a558ff5ea8 100644
--- a/Dist/deps.nix
+++ b/Dist/deps.nix
@@ -9,7 +9,7 @@
   (fetchNuGet { pname = "ImGui.NET"; version = "1.90.6.1"; sha256 = "1v1zzlpz3g2h7azqqqhfcwssx9vminnb5pl9880jw28mfk5si1q8"; })
   (fetchNuGet { pname = "JunitXml.TestLogger"; version = "3.1.12"; sha256 = "1571rs2zpd7az5wp0bklx1h3pac388awlwhz70k0p0vv44h0v5jc"; })
   (fetchNuGet { pname = "Menees.Analyzers"; version = "3.2.2"; sha256 = "0zd7hh5xilm1svnz4dcvgryixkmsncdszzimy3fvz2xbs06cpksb"; })
-  (fetchNuGet { pname = "Meziantou.Analyzer"; version = "2.0.159"; sha256 = "0ybck0h871hdb7lfv52f73a1y1v2nrlvbvbmy2ws5nbd0xacjvww"; })
+  (fetchNuGet { pname = "Meziantou.Analyzer"; version = "2.0.163"; sha256 = "1nzn3j7dbbs101mwjksfmb06fnxzwpl4s2n1yi9cwlr9mhnqf33k"; })
   (fetchNuGet { pname = "Microsoft.ApplicationInsights"; version = "2.22.0"; sha256 = "0h5qkhmazlvwvjmxxj9pp2404rmvk55yf6npwcmlskv9mgfkli4r"; })
   (fetchNuGet { pname = "Microsoft.Bcl.AsyncInterfaces"; version = "8.0.0"; sha256 = "0z4jq5prnxyb4p3163yxx35znpd2msjd8hw8ysmv4ah90f5sd9gm"; })
   (fetchNuGet { pname = "Microsoft.Bcl.HashCode"; version = "1.1.1"; sha256 = "0xwfph92p92d8hgrdiaka4cazqsjpg4ywfxfx6qbk3939f29kzl0"; })
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Unif.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Unif.cs
index b625198f70..4fab8b9a78 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Unif.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Unif.cs
@@ -89,7 +89,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			Cart.BoardType = Cart.BoardType.TrimEnd('\0');
 			Cart.BoardType = "UNIF_" + Cart.BoardType;
 
-			if (Chunks.TryGetValue("BATR", out _))
+			if (Chunks.ContainsKey("BATR"))
 			{
 				// apparently, this chunk just existing means battery is yes
 				Cart.WramBattery = true;