diff --git a/Lombiq.HelpfulExtensions/Extensions/ContentSets/Drivers/ContentSetContentPickerFieldDisplayDriver.cs b/Lombiq.HelpfulExtensions/Extensions/ContentSets/Drivers/ContentSetContentPickerFieldDisplayDriver.cs
index 19a6a7b8..dfe278f0 100644
--- a/Lombiq.HelpfulExtensions/Extensions/ContentSets/Drivers/ContentSetContentPickerFieldDisplayDriver.cs
+++ b/Lombiq.HelpfulExtensions/Extensions/ContentSets/Drivers/ContentSetContentPickerFieldDisplayDriver.cs
@@ -4,7 +4,6 @@
 using Lombiq.HelpfulExtensions.Extensions.ContentSets.ViewModels;
 using Lombiq.HelpfulLibraries.OrchardCore.Contents;
 using Microsoft.Extensions.Localization;
-using Newtonsoft.Json.Linq;
 using OrchardCore.ContentManagement;
 using OrchardCore.ContentManagement.Display.ContentDisplay;
 using OrchardCore.ContentManagement.Display.Models;
@@ -52,7 +51,7 @@ await model.InitializeAsync(
                     new ContentTypePartDefinition(
                         name,
                         await _contentDefinitionManager.GetPartDefinitionAsync(nameof(ContentSetPart)),
-                        new JObject()),
+                        []),
                     isNew: false);
             })
             .Location(CommonContentDisplayTypes.Detail, CommonLocationNames.Content)
diff --git a/Lombiq.HelpfulExtensions/Extensions/OrchardRecipeMigration/Services/OrchardExportToRecipeConverter.cs b/Lombiq.HelpfulExtensions/Extensions/OrchardRecipeMigration/Services/OrchardExportToRecipeConverter.cs
index d414e453..4b75fe4e 100644
--- a/Lombiq.HelpfulExtensions/Extensions/OrchardRecipeMigration/Services/OrchardExportToRecipeConverter.cs
+++ b/Lombiq.HelpfulExtensions/Extensions/OrchardRecipeMigration/Services/OrchardExportToRecipeConverter.cs
@@ -20,7 +20,7 @@ public class OrchardExportToRecipeConverter : IOrchardExportToRecipeConverter
     private readonly IEnumerable<IOrchardContentConverter> _contentConverters;
     private readonly IEnumerable<IOrchardUserConverter> _userConverters;
 
-    private readonly ICollection<string> _contentTypes;
+    private readonly List<string> _contentTypes;
 
     public OrchardExportToRecipeConverter(
         IContentDefinitionManager contentDefinitionManager,
diff --git a/Lombiq.HelpfulExtensions/Extensions/ShapeTracing/ShapeTracingShapeEvents.cs b/Lombiq.HelpfulExtensions/Extensions/ShapeTracing/ShapeTracingShapeEvents.cs
index bb4271b9..c9fae732 100644
--- a/Lombiq.HelpfulExtensions/Extensions/ShapeTracing/ShapeTracingShapeEvents.cs
+++ b/Lombiq.HelpfulExtensions/Extensions/ShapeTracing/ShapeTracingShapeEvents.cs
@@ -37,7 +37,7 @@ void AddIfNotNullOrEmpty(string name, string value)
             }
         }
 
-        if (shapeMetadata.Alternates.Any())
+        if (shapeMetadata.Alternates.Count != 0)
         {
             builder.AppendHtml("Alternates: ");
             builder.AppendHtmlLine(string.Join(", ", shapeMetadata.Alternates));
@@ -49,7 +49,7 @@ void AddIfNotNullOrEmpty(string name, string value)
             builder.AppendHtmlLine(string.Join(", ", shapeMetadata.BindingSources));
         }
 
-        if (shapeMetadata.Wrappers.Any())
+        if (shapeMetadata.Wrappers.Count != 0)
         {
             builder.AppendHtml("Wrappers: ");
             builder.AppendHtmlLine(string.Join(", ", shapeMetadata.Wrappers));