diff --git a/Documentation/Synergy.Documentation/Api/ApiDescription.cs b/Documentation/Synergy.Documentation/Api/ApiDescription.cs
index a03b460..bb834f1 100644
--- a/Documentation/Synergy.Documentation/Api/ApiDescription.cs
+++ b/Documentation/Synergy.Documentation/Api/ApiDescription.cs
@@ -3,7 +3,6 @@
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text;
-using JetBrains.Annotations;
 using Synergy.Catalogue;
 using Synergy.Catalogue.Reflection;
 
@@ -179,11 +178,9 @@ private static string GetPropertyName(PropertyInfo property)
         private static bool IsStatic(this PropertyInfo source, bool nonPublic = false)
             => source.GetAccessors(nonPublic).Any(x => x.IsStatic);
 
-        [Pure]
         private static bool In<T>(this T value, params T[] values)
             => values.Contains(value);
 
-        [Pure]
         private static bool NotIn<T>(this T value, params T[] values)
             => value.In(values) == false;
 
diff --git a/Documentation/Synergy.Documentation/Code/CodeFile.cs b/Documentation/Synergy.Documentation/Code/CodeFile.cs
index 1302677..62b3dc1 100644
--- a/Documentation/Synergy.Documentation/Code/CodeFile.cs
+++ b/Documentation/Synergy.Documentation/Code/CodeFile.cs
@@ -1,5 +1,4 @@
 using System.Runtime.CompilerServices;
-using Synergy.Contracts;
 
 namespace Synergy.Documentation.Code;
 
@@ -17,7 +16,7 @@ public static CodeFolder Current([CallerFilePath] string path = "")
 
     public CodeFile(string filePath)
     {
-        FilePath = filePath.OrFailIfWhiteSpace(nameof(filePath));
+        FilePath = filePath;
     }
 
     public CodeFolder Folder
diff --git a/Documentation/Synergy.Documentation/Markup/Markdown.cs b/Documentation/Synergy.Documentation/Markup/Markdown.cs
index f711f5a..71295a8 100644
--- a/Documentation/Synergy.Documentation/Markup/Markdown.cs
+++ b/Documentation/Synergy.Documentation/Markup/Markdown.cs
@@ -1,11 +1,8 @@
 using System.Collections;
 using System.Text;
 using Synergy.Catalogue;
-using Synergy.Contracts;
 using Synergy.Documentation.Code;
 
-// TODO: Marcin Celej [from: Marcin Celej on: 21-05-2023]: Stop referencing Synergy.Contracts from Synergy.Documentation
-
 namespace Synergy.Documentation.Markup
 {
 #if INTERNAL_MARKDOWN
@@ -28,14 +25,12 @@ public class Document : IEnumerable<IElement>
 
             public Document Append(IElement element)
             {
-                Fail.IfArgumentNull(element, nameof(element));
                 this.elements.Add(element);
                 return this;
             }
 
             public Document Append(IEnumerable<IElement> newElements)
             {
-                Fail.IfArgumentNull(newElements, nameof(newElements));
                 this.elements.AddRange(newElements);
                 return this;
             }
@@ -71,8 +66,7 @@ public abstract class Header : IElement
             protected Header(int level, string header)
             {
                 this.level = level;
-                this.header = header.OrFail(nameof(header))
-                                    .Trim();
+                this.header = header.Trim();
             }
 
             public override string ToString() => $"{new string('#', this.level)} {this.header}{Markdown.NL}";
@@ -116,8 +110,6 @@ public Code(string? text = null, string? language = "csharp")
 
             public Code Line(string line)
             {
-                Fail.IfNull(line, nameof(line));
-
                 if (this.text == null)
                     return new Code(line, this.language);
                 return new Code(this.text + Markdown.NL + line, this.language);
@@ -137,12 +129,10 @@ public class Paragraph : IElement
             private readonly string text;
 
             public Paragraph(string text)
-                => this.text = text.OrFail(nameof(text))
-                                   .Trim();
+                => this.text = text.Trim();
 
             public Paragraph Line(string line)
             {
-                Fail.IfArgumentWhiteSpace(line, nameof(line));
                 return new Paragraph(this.text + Markdown.NL + line);
             }
 
@@ -164,15 +154,13 @@ public Quote(string? text)
 
                 this.lines = new List<string>()
                 {
-                    text.OrFail(nameof(text))
-                        .Trim()
+                    text.Trim()
                 };
             }
 
             public Quote Line(string line)
             {
-                this.lines.Add(line.OrFail(nameof(line))
-                                   .Trim());
+                this.lines.Add(line.Trim());
                 return this;
             }
 
diff --git a/Documentation/Synergy.Documentation/Synergy.Documentation.csproj b/Documentation/Synergy.Documentation/Synergy.Documentation.csproj
index 32b228b..a98d588 100644
--- a/Documentation/Synergy.Documentation/Synergy.Documentation.csproj
+++ b/Documentation/Synergy.Documentation/Synergy.Documentation.csproj
@@ -47,9 +47,4 @@
       </Compile>
     </ItemGroup>
 
-    <ItemGroup>
-      <ProjectReference Include="..\..\Contracts\Synergy.Contracts\Synergy.Contracts.csproj" />
-    </ItemGroup>
-
-
 </Project>
diff --git a/Synergy.Catalogue/Extensions/EnumerableExtensions.cs b/Synergy.Catalogue/Extensions/EnumerableExtensions.cs
index fdd6576..a5c05e4 100644
--- a/Synergy.Catalogue/Extensions/EnumerableExtensions.cs
+++ b/Synergy.Catalogue/Extensions/EnumerableExtensions.cs
@@ -1,6 +1,5 @@
 using System.Collections;
 using System.Collections.ObjectModel;
-using Synergy.Contracts;
 
 namespace Synergy.Catalogue
 {
@@ -12,10 +11,10 @@ namespace Synergy.Catalogue
         static class EnumerableExtensions
     {
         public static bool IsEmpty<T>(IEnumerable<T> collection)
-            => collection.OrFail(nameof(collection)).Any() == false;
+            => collection.Any() == false;
         
         public static bool IsNotEmpty<T>(IEnumerable<T> collection)
-            => collection.OrFail(nameof(collection)).Any();
+            => collection.Any();
         
         public static bool In<T>(this T value, params T[] values)
             => values.Contains(value);
@@ -45,8 +44,8 @@ public static List<T> ToList<T>(this IEnumerable<T> collection, int expectedCapa
         }
         
         public static List<TDestination> ConvertAll<TSource, TDestination>(this IEnumerable<TSource> source, Func<TSource, TDestination> converter) 
-            => source.OrFail(nameof(source))
-                     .Select(converter.OrFail(nameof(converter)))
+            => source
+                     .Select(converter)
                      .ToList(source.ExpectedCapacity());
 
         private static int ExpectedCapacity<TSource>(this IEnumerable<TSource> source)