diff --git a/OliverBooth.Extensions.Markdig/Markdown/MarkdownExtensions.cs b/OliverBooth.Extensions.Markdig/Markdown/MarkdownExtensions.cs
deleted file mode 100644
index cd54de4..0000000
--- a/OliverBooth.Extensions.Markdig/Markdown/MarkdownExtensions.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using Markdig;
-using OliverBooth.Extensions.Markdig.Markdown.Callout;
-
-namespace OliverBooth.Extensions.Markdig.Markdown;
-
-/// <summary>
-///     Extension methods for <see cref="MarkdownPipelineBuilder" />.
-/// </summary>
-internal static class MarkdownExtensions
-{
-    /// <summary>
-    ///     Uses this extension to enable Obsidian-style callouts.
-    /// </summary>
-    /// <param name="pipeline">The pipeline.</param>
-    /// <returns>The modified pipeline.</returns>
-    public static MarkdownPipelineBuilder UseCallouts(this MarkdownPipelineBuilder pipeline)
-    {
-        pipeline.Extensions.AddIfNotAlready<CalloutExtension>();
-        return pipeline;
-    }
-}
diff --git a/OliverBooth.Extensions.Markdig/MarkdownPipelineExtensions.cs b/OliverBooth.Extensions.Markdig/MarkdownPipelineExtensions.cs
index 20ea173..5426937 100644
--- a/OliverBooth.Extensions.Markdig/MarkdownPipelineExtensions.cs
+++ b/OliverBooth.Extensions.Markdig/MarkdownPipelineExtensions.cs
@@ -1,4 +1,5 @@
 using Markdig;
+using OliverBooth.Extensions.Markdig.Markdown.Callout;
 using OliverBooth.Extensions.Markdig.Markdown.Template;
 using OliverBooth.Extensions.Markdig.Services;
 
@@ -9,6 +10,23 @@ namespace OliverBooth.Extensions.Markdig;
 /// </summary>
 public static class MarkdownPipelineExtensions
 {
+    /// <summary>
+    ///     Enables the use of Obsidian-style callouts in this pipeline.
+    /// </summary>
+    /// <param name="builder">The Markdig markdown pipeline builder.</param>
+    /// <returns>The modified Markdig markdown pipeline builder.</returns>
+    /// <exception cref="ArgumentNullException"><paramref name="builder" /> is <see langword="null" />.</exception>
+    public static MarkdownPipelineBuilder UseCallouts(this MarkdownPipelineBuilder builder)
+    {
+        if (builder is null)
+        {
+            throw new ArgumentNullException(nameof(builder));
+        }
+
+        builder.Extensions.AddIfNotAlready<CalloutExtension>();
+        return builder;
+    }
+
     /// <summary>
     ///     Enables the use of Wiki-style templates in this pipeline.
     /// </summary>
diff --git a/OliverBooth/Markdown/Callout/CalloutBlock.cs b/OliverBooth/Markdown/Callout/CalloutBlock.cs
deleted file mode 100644
index 5c01675..0000000
--- a/OliverBooth/Markdown/Callout/CalloutBlock.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-using Markdig.Helpers;
-using Markdig.Syntax;
-
-namespace OliverBooth.Markdown.Callout;
-
-/// <summary>
-///     Represents a callout block.
-/// </summary>
-internal sealed class CalloutBlock : QuoteBlock
-{
-    /// <summary>
-    ///     Initializes a new instance of the <see cref="CalloutBlock" /> class.
-    /// </summary>
-    /// <param name="type">The type of the callout.</param>
-    public CalloutBlock(StringSlice type) : base(null)
-    {
-        Type = type;
-    }
-
-    /// <summary>
-    ///     Gets or sets a value indicating whether this callout is foldable.
-    /// </summary>
-    /// <value><see langword="true" /> if this callout is foldable; otherwise, <see langword="false" />.</value>
-    public bool Foldable { get; set; }
-
-    /// <summary>
-    ///     Gets or sets the title of the callout.
-    /// </summary>
-    /// <value>The title of the callout.</value>
-    public StringSlice Title { get; set; }
-
-    /// <summary>
-    ///     Gets or sets the trailing whitespace trivia.
-    /// </summary>
-    /// <value>The trailing whitespace trivia.</value>
-    public StringSlice TrailingWhitespaceTrivia { get; set; }
-
-    /// <summary>
-    ///     Gets or sets the type of the callout.
-    /// </summary>
-    /// <value>The type of the callout.</value>
-    public StringSlice Type { get; set; }
-}
diff --git a/OliverBooth/Markdown/Callout/CalloutExtension.cs b/OliverBooth/Markdown/Callout/CalloutExtension.cs
deleted file mode 100644
index c9731a2..0000000
--- a/OliverBooth/Markdown/Callout/CalloutExtension.cs
+++ /dev/null
@@ -1,32 +0,0 @@
-using Markdig;
-using Markdig.Parsers.Inlines;
-using Markdig.Renderers;
-using Markdig.Renderers.Html;
-
-namespace OliverBooth.Markdown.Callout;
-
-/// <summary>
-///     Extension for adding Obsidian-style callouts to a Markdown pipeline.
-/// </summary>
-internal sealed class CalloutExtension : IMarkdownExtension
-{
-    /// <inheritdoc />
-    public void Setup(MarkdownPipelineBuilder pipeline)
-    {
-        var parser = pipeline.InlineParsers.Find<CalloutInlineParser>();
-        if (parser is null)
-        {
-            pipeline.InlineParsers.InsertBefore<LinkInlineParser>(new CalloutInlineParser());
-        }
-    }
-
-    /// <inheritdoc />
-    public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
-    {
-        var blockRenderer = renderer.ObjectRenderers.FindExact<CalloutRenderer>();
-        if (blockRenderer is null)
-        {
-            renderer.ObjectRenderers.InsertBefore<QuoteBlockRenderer>(new CalloutRenderer(pipeline));
-        }
-    }
-}
diff --git a/OliverBooth/Markdown/Callout/CalloutInlineParser.cs b/OliverBooth/Markdown/Callout/CalloutInlineParser.cs
deleted file mode 100644
index ce7ddc5..0000000
--- a/OliverBooth/Markdown/Callout/CalloutInlineParser.cs
+++ /dev/null
@@ -1,176 +0,0 @@
-using System.Reflection;
-using Cysharp.Text;
-using Markdig.Helpers;
-using Markdig.Parsers;
-using Markdig.Renderers.Html;
-using Markdig.Syntax;
-
-namespace OliverBooth.Markdown.Callout;
-
-/// <summary>
-///     An inline parser for Obsidian-style callouts (<c>[!NOTE]</c> etc.)
-/// </summary>
-internal sealed class CalloutInlineParser : InlineParser
-{
-    // ugly hack to access internal method
-    private static readonly MethodInfo ReplaceParentContainerMethod =
-        typeof(InlineProcessor).GetMethod("ReplaceParentContainer", BindingFlags.Instance | BindingFlags.NonPublic)!;
-
-    /// <summary>
-    ///     Initializes a new instance of the <see cref="CalloutInlineParser" /> class.
-    /// </summary>
-    public CalloutInlineParser()
-    {
-        OpeningCharacters = ['['];
-    }
-
-    /// <inheritdoc />
-    public override bool Match(InlineProcessor processor, ref StringSlice slice)
-    {
-        // We expect the alert to be the first child of a quote block. Example:
-        // > [!NOTE]
-        // > This is a note
-        if (processor.Block is not ParagraphBlock { Parent: QuoteBlock quoteBlock } paragraphBlock ||
-            paragraphBlock.Inline?.FirstChild != null)
-        {
-            return false;
-        }
-
-        StringSlice cache = slice;
-        char current = slice.NextChar();
-
-        if (current != '!')
-        {
-            slice = cache;
-            return false;
-        }
-
-        current = slice.NextChar(); // skip !
-
-        int start = slice.Start;
-        int end = start;
-
-        while (current.IsAlphaUpper())
-        {
-            end = slice.Start;
-            current = slice.NextChar();
-        }
-
-        if (current != ']' || start == end)
-        {
-            slice = cache;
-            return false;
-        }
-
-        var type = new StringSlice(slice.Text, start, end);
-        current = slice.NextChar(); // skip ]
-        start = slice.Start;
-
-        bool fold = false;
-        if (current == '-')
-        {
-            fold = true;
-            current = slice.NextChar(); // skip -
-            start = slice.Start;
-        }
-
-        ReadTitle(current, ref slice, out StringSlice title, out end);
-
-        var callout = new CalloutBlock(type)
-        {
-            Foldable = fold,
-            Span = quoteBlock.Span,
-            TrailingWhitespaceTrivia = new StringSlice(slice.Text, start, end),
-            Line = quoteBlock.Line,
-            Column = quoteBlock.Column,
-            Title = title
-        };
-
-        AddAttributes(callout, type);
-        ReplaceQuoteBlock(processor, quoteBlock, callout);
-        return true;
-    }
-
-    private static void ReadTitle(char startChar, ref StringSlice slice, out StringSlice title, out int end)
-    {
-        using Utf16ValueStringBuilder builder = ZString.CreateStringBuilder();
-
-        char current = startChar;
-        while (true)
-        {
-            if (current is not ('\0' or '\r' or '\n'))
-            {
-                builder.Append(current);
-                current = slice.NextChar();
-                continue;
-            }
-
-            end = slice.Start;
-            if (HandleCharacter(ref slice, ref end, ref current))
-            {
-                continue;
-            }
-
-            break;
-        }
-
-        title = new StringSlice(builder.ToString(), 0, builder.Length);
-    }
-
-    private static bool HandleCharacter(ref StringSlice slice, ref int end, ref char current)
-    {
-        switch (current)
-        {
-            case '\r':
-                current = slice.NextChar(); // skip \r
-
-                if (current is not ('\0' or '\n'))
-                {
-                    return true;
-                }
-
-                end = slice.Start;
-                if (current == '\n')
-                {
-                    slice.NextChar(); // skip \n
-                }
-
-                break;
-
-            case '\n':
-                slice.NextChar(); // skip \n
-                break;
-        }
-
-        return false;
-    }
-
-    private static void AddAttributes(IMarkdownObject callout, StringSlice type)
-    {
-        HtmlAttributes attributes = callout.GetAttributes();
-        attributes.AddClass("callout");
-        attributes.AddProperty("data-callout", type.AsSpan().ToString().ToLowerInvariant());
-    }
-
-    private static void ReplaceQuoteBlock(InlineProcessor processor, QuoteBlock quoteBlock, CalloutBlock callout)
-    {
-        ContainerBlock? parentQuoteBlock = quoteBlock.Parent;
-        if (parentQuoteBlock is null)
-        {
-            return;
-        }
-
-        int indexOfQuoteBlock = parentQuoteBlock.IndexOf(quoteBlock);
-        parentQuoteBlock[indexOfQuoteBlock] = callout;
-
-        while (quoteBlock.Count > 0)
-        {
-            var block = quoteBlock[0];
-            quoteBlock.RemoveAt(0);
-            callout.Add(block);
-        }
-
-        ReplaceParentContainerMethod.Invoke(processor, [quoteBlock, callout]);
-        // ReplaceParentContainer(processor, quoteBlock, callout);
-    }
-}
diff --git a/OliverBooth/Markdown/Callout/CalloutRenderer.cs b/OliverBooth/Markdown/Callout/CalloutRenderer.cs
deleted file mode 100644
index f2e4f77..0000000
--- a/OliverBooth/Markdown/Callout/CalloutRenderer.cs
+++ /dev/null
@@ -1,119 +0,0 @@
-using HtmlAgilityPack;
-using Humanizer;
-using Markdig;
-using Markdig.Renderers;
-using Markdig.Renderers.Html;
-
-namespace OliverBooth.Markdown.Callout;
-
-/// <summary>
-///     Represents an HTML renderer which renders a <see cref="CalloutBlock" />.
-/// </summary>
-internal sealed class CalloutRenderer : HtmlObjectRenderer<CalloutBlock>
-{
-    private readonly MarkdownPipeline _pipeline;
-
-    private static readonly Dictionary<string, string> CalloutTypes = new()
-    {
-        ["NOTE"] = "pencil",
-        ["ABSTRACT"] = "clipboard-list",
-        ["INFO"] = "info",
-        ["TODO"] = "circle-check",
-        ["TIP"] = "flame",
-        ["IMPORTANT"] = "flame",
-        ["SUCCESS"] = "check",
-        ["QUESTION"] = "circle-help",
-        ["WARNING"] = "triangle-alert",
-        ["FAILURE"] = "x",
-        ["DANGER"] = "zap",
-        ["BUG"] = "bug",
-        ["EXAMPLE"] = "list",
-        ["CITE"] = "quote",
-        ["UPDATE"] = "calendar-check",
-    };
-
-    public CalloutRenderer(MarkdownPipeline pipeline)
-    {
-        _pipeline = pipeline;
-    }
-
-    /// <inheritdoc />
-    protected override void Write(HtmlRenderer renderer, CalloutBlock block)
-    {
-        renderer.EnsureLine();
-        if (renderer.EnableHtmlForBlock)
-        {
-            RenderAsHtml(renderer, block, _pipeline);
-        }
-        else
-        {
-            RenderAsText(renderer, block);
-        }
-
-        renderer.EnsureLine();
-    }
-
-    private static void RenderAsHtml(HtmlRenderer renderer, CalloutBlock block, MarkdownPipeline pipeline)
-    {
-        string title = block.Title.Text;
-        ReadOnlySpan<char> type = block.Type.AsSpan();
-        Span<char> upperType = stackalloc char[type.Length];
-        type.ToUpperInvariant(upperType);
-
-        if (!CalloutTypes.TryGetValue(upperType.ToString(), out string? lucideClass))
-        {
-            lucideClass = "pencil";
-        }
-
-        var typeString = type.ToString().ToLowerInvariant();
-
-        renderer.Write($"<div class=\"callout\" data-callout=\"{typeString}\"");
-        if (block.Foldable)
-        {
-            renderer.Write(" data-callout-fold=\"true\"");
-        }
-
-        renderer.Write('>');
-        renderer.Write("<div class=\"callout-title\"><i data-lucide=\"");
-        renderer.Write(lucideClass);
-        renderer.Write("\"></i> ");
-
-        string calloutTitle = title.Length == 0 ? typeString.Humanize(LetterCasing.Sentence) : title;
-        WriteTitle(renderer, pipeline, calloutTitle);
-
-        if (block.Foldable)
-        {
-            renderer.Write("<span class=\"callout-fold\"><i data-lucide=\"chevron-down\"></i></span>");
-        }
-
-        renderer.WriteLine("</div>");
-        renderer.Write("<div class=\"callout-content\">");
-        renderer.WriteChildren(block);
-        renderer.WriteLine("</div>");
-        renderer.WriteLine("</div>");
-        renderer.EnsureLine();
-    }
-
-    private static void WriteTitle(TextRendererBase renderer, MarkdownPipeline pipeline, string calloutTitle)
-    {
-        string html = Markdig.Markdown.ToHtml(calloutTitle, pipeline);
-        var document = new HtmlDocument();
-        document.LoadHtml(html);
-        if (document.DocumentNode.FirstChild is { Name: "p" } child)
-        {
-            // ugly hack to remove <p> tag generated by Markdig
-            document.DocumentNode.InnerHtml = child.InnerHtml;
-        }
-
-        document.Save(renderer.Writer);
-    }
-
-    private static void RenderAsText(HtmlRenderer renderer, CalloutBlock block)
-    {
-        string title = block.Title.Text;
-        ReadOnlySpan<char> type = block.Type.AsSpan();
-        renderer.WriteLine(title.Length == 0 ? type.ToString().ToUpperInvariant() : title.ToUpperInvariant());
-        renderer.WriteChildren(block);
-        renderer.EnsureLine();
-    }
-}
diff --git a/OliverBooth/Markdown/MarkdownExtensions.cs b/OliverBooth/Markdown/MarkdownExtensions.cs
deleted file mode 100644
index d63d869..0000000
--- a/OliverBooth/Markdown/MarkdownExtensions.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using Markdig;
-using OliverBooth.Markdown.Callout;
-
-namespace OliverBooth.Markdown;
-
-/// <summary>
-///     Extension methods for <see cref="MarkdownPipelineBuilder" />.
-/// </summary>
-internal static class MarkdownExtensions
-{
-    /// <summary>
-    ///     Uses this extension to enable Obsidian-style callouts.
-    /// </summary>
-    /// <param name="pipeline">The pipeline.</param>
-    /// <returns>The modified pipeline.</returns>
-    public static MarkdownPipelineBuilder UseCallouts(this MarkdownPipelineBuilder pipeline)
-    {
-        pipeline.Extensions.AddIfNotAlready<CalloutExtension>();
-        return pipeline;
-    }
-}
diff --git a/OliverBooth/Markdown/Timestamp/TimestampExtension.cs b/OliverBooth/Markdown/Timestamp/TimestampExtension.cs
deleted file mode 100644
index 45ae2df..0000000
--- a/OliverBooth/Markdown/Timestamp/TimestampExtension.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using Markdig;
-using Markdig.Renderers;
-
-namespace OliverBooth.Markdown.Timestamp;
-
-/// <summary>
-///     Represents a Markdig extension that supports Discord-style timestamps.
-/// </summary>
-public class TimestampExtension : IMarkdownExtension
-{
-    /// <inheritdoc />
-    public void Setup(MarkdownPipelineBuilder pipeline)
-    {
-        pipeline.InlineParsers.AddIfNotAlready<TimestampInlineParser>();
-    }
-
-    /// <inheritdoc />
-    public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
-    {
-        if (renderer is HtmlRenderer htmlRenderer)
-        {
-            htmlRenderer.ObjectRenderers.AddIfNotAlready<TimestampRenderer>();
-        }
-    }
-}
diff --git a/OliverBooth/Markdown/Timestamp/TimestampFormat.cs b/OliverBooth/Markdown/Timestamp/TimestampFormat.cs
deleted file mode 100644
index 29eca6b..0000000
--- a/OliverBooth/Markdown/Timestamp/TimestampFormat.cs
+++ /dev/null
@@ -1,42 +0,0 @@
-namespace OliverBooth.Markdown.Timestamp;
-
-/// <summary>
-///     An enumeration of timestamp formats.
-/// </summary>
-public enum TimestampFormat
-{
-    /// <summary>
-    ///     Short time format. Example: 12:00
-    /// </summary>
-    ShortTime = 't',
-
-    /// <summary>
-    ///     Long time format. Example: 12:00:00
-    /// </summary>
-    LongTime = 'T',
-
-    /// <summary>
-    ///     Short date format. Example: 1/1/2000
-    /// </summary>
-    ShortDate = 'd',
-
-    /// <summary>
-    ///     Long date format. Example: 1 January 2000
-    /// </summary>
-    LongDate = 'D',
-
-    /// <summary>
-    ///     Short date/time format. Example: 1 January 2000 at 12:00
-    /// </summary>
-    LongDateShortTime = 'f',
-
-    /// <summary>
-    ///     Long date/time format. Example: Saturday, 1 January 2000 at 12:00
-    /// </summary>
-    LongDateTime = 'F',
-
-    /// <summary>
-    ///     Relative date/time format. Example: 1 second ago
-    /// </summary>
-    Relative = 'R',
-}
diff --git a/OliverBooth/Markdown/Timestamp/TimestampInline.cs b/OliverBooth/Markdown/Timestamp/TimestampInline.cs
deleted file mode 100644
index 615ee03..0000000
--- a/OliverBooth/Markdown/Timestamp/TimestampInline.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using Markdig.Syntax.Inlines;
-
-namespace OliverBooth.Markdown.Timestamp;
-
-/// <summary>
-///     Represents a Markdown inline element that contains a timestamp.
-/// </summary>
-public sealed class TimestampInline : Inline
-{
-    /// <summary>
-    ///     Gets or sets the format.
-    /// </summary>
-    /// <value>The format.</value>
-    public TimestampFormat Format { get; set; }
-
-    /// <summary>
-    ///     Gets or sets the timestamp.
-    /// </summary>
-    /// <value>The timestamp.</value>
-    public DateTimeOffset Timestamp { get; set; }
-}
diff --git a/OliverBooth/Markdown/Timestamp/TimestampInlineParser.cs b/OliverBooth/Markdown/Timestamp/TimestampInlineParser.cs
deleted file mode 100644
index 414fc48..0000000
--- a/OliverBooth/Markdown/Timestamp/TimestampInlineParser.cs
+++ /dev/null
@@ -1,91 +0,0 @@
-using Markdig.Helpers;
-using Markdig.Parsers;
-
-namespace OliverBooth.Markdown.Timestamp;
-
-/// <summary>
-///     Represents a Markdown inline parser that matches Discord-style timestamps.
-/// </summary>
-public sealed class TimestampInlineParser : InlineParser
-{
-    /// <summary>
-    ///     Initializes a new instance of the <see cref="TimestampInlineParser" /> class.
-    /// </summary>
-    public TimestampInlineParser()
-    {
-        OpeningCharacters = new[] { '<' };
-    }
-
-    /// <inheritdoc />
-    public override bool Match(InlineProcessor processor, ref StringSlice slice)
-    {
-        // Previous char must be a space
-        if (!slice.PeekCharExtra(-1).IsWhiteSpaceOrZero())
-        {
-            return false;
-        }
-
-        ReadOnlySpan<char> span = slice.Text.AsSpan(slice.Start, slice.Length);
-
-        if (!TryConsumeTimestamp(span, out ReadOnlySpan<char> rawTimestamp, out char format))
-        {
-            return false;
-        }
-
-        if (!long.TryParse(rawTimestamp, out long timestamp))
-        {
-            return false;
-        }
-
-        bool hasFormat = format != '\0';
-        processor.Inline = new TimestampInline
-        {
-            Format = (TimestampFormat)format,
-            Timestamp = DateTimeOffset.FromUnixTimeSeconds(timestamp)
-        };
-
-        int paddingCount = hasFormat ? 6 : 4; // <t:*> or optionally <t:*:*>
-        slice.Start += rawTimestamp.Length + paddingCount;
-        return true;
-    }
-
-    private bool TryConsumeTimestamp(ReadOnlySpan<char> source,
-        out ReadOnlySpan<char> timestamp,
-        out char format)
-    {
-        timestamp = default;
-        format = default;
-
-        if (!source.StartsWith("<t:")) return false;
-        timestamp = source[3..];
-
-        if (timestamp.IndexOf('>') == -1)
-        {
-            timestamp = default;
-            return false;
-        }
-
-        int delimiterIndex = timestamp.IndexOf(':');
-        if (delimiterIndex == 0)
-        {
-            // invalid format <t::*>
-            timestamp = default;
-            return false;
-        }
-
-        if (delimiterIndex == -1)
-        {
-            // no format, default to relative
-            format = 'R';
-            timestamp = timestamp[..^1]; // trim >
-        }
-        else
-        {
-            // use specified format
-            format = timestamp[^2];
-            timestamp = timestamp[..^3];
-        }
-
-        return true;
-    }
-}
diff --git a/OliverBooth/Markdown/Timestamp/TimestampRenderer.cs b/OliverBooth/Markdown/Timestamp/TimestampRenderer.cs
deleted file mode 100644
index b2c7f3d..0000000
--- a/OliverBooth/Markdown/Timestamp/TimestampRenderer.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-using System.ComponentModel;
-using Humanizer;
-using Markdig.Renderers;
-using Markdig.Renderers.Html;
-
-namespace OliverBooth.Markdown.Timestamp;
-
-/// <summary>
-///     Represents a Markdown object renderer that renders <see cref="TimestampInline" /> elements.
-/// </summary>
-public sealed class TimestampRenderer : HtmlObjectRenderer<TimestampInline>
-{
-    /// <inheritdoc />
-    protected override void Write(HtmlRenderer renderer, TimestampInline obj)
-    {
-        DateTimeOffset timestamp = obj.Timestamp;
-        TimestampFormat format = obj.Format;
-
-        renderer.Write("<span class=\"timestamp\" data-timestamp=\"");
-        renderer.Write(timestamp.ToUnixTimeSeconds().ToString());
-        renderer.Write("\" data-format=\"");
-        renderer.Write(((char)format).ToString());
-        renderer.Write("\" title=\"");
-        renderer.WriteEscape(timestamp.ToString("dddd, d MMMM yyyy HH:mm"));
-        renderer.Write("\">");
-
-        switch (format)
-        {
-            case TimestampFormat.LongDate:
-                renderer.Write(timestamp.ToString("d MMMM yyyy"));
-                break;
-
-            case TimestampFormat.LongDateShortTime:
-                renderer.Write(timestamp.ToString(@"d MMMM yyyy \a\t HH:mm"));
-                break;
-
-            case TimestampFormat.LongDateTime:
-                renderer.Write(timestamp.ToString(@"dddd, d MMMM yyyy \a\t HH:mm"));
-                break;
-
-            case TimestampFormat.Relative:
-                renderer.Write(timestamp.Humanize());
-                break;
-
-            case var _ when !Enum.IsDefined(format):
-                throw new InvalidEnumArgumentException(nameof(format), (int)format, typeof(TimestampFormat));
-
-            default:
-                renderer.Write(timestamp.ToString(((char)format).ToString()));
-                break;
-        }
-
-        renderer.Write("</span>");
-    }
-}
diff --git a/OliverBooth/Program.cs b/OliverBooth/Program.cs
index 006a3b7..84203ce 100644
--- a/OliverBooth/Program.cs
+++ b/OliverBooth/Program.cs
@@ -5,9 +5,8 @@ using OliverBooth.Data.Blog;
 using OliverBooth.Data.Web;
 using OliverBooth.Extensions;
 using OliverBooth.Extensions.Markdig;
+using OliverBooth.Extensions.Markdig.Markdown.Timestamp;
 using OliverBooth.Extensions.Markdig.Services;
-using OliverBooth.Markdown;
-using OliverBooth.Markdown.Timestamp;
 using OliverBooth.Services;
 using Serilog;