diff --git a/IntelliTect.Multitool.Tests/ClaimsPrincipalExtensionsTests.cs b/IntelliTect.Multitool.Tests/ClaimsPrincipalExtensionsTests.cs
deleted file mode 100644
index a6052db..0000000
--- a/IntelliTect.Multitool.Tests/ClaimsPrincipalExtensionsTests.cs
+++ /dev/null
@@ -1,59 +0,0 @@
-using System.Security.Claims;
-using System.Security.Principal;
-using Xunit;
-
-namespace IntelliTect.Multitool.Security.Tests;
-
-public class ClaimsPrincipalExtensionsTests
-{
-    static readonly string[] roles = ["Foo", "Bar"];
-    static readonly string[] singleRole = ["Bar"];
-
-    [Fact]
-    public void GetRoles_WhenClaimsPrincipalNull_Should_Throw()
-    {
-        ClaimsPrincipal? sut = null;
-
-        Assert.Throws<ArgumentNullException>(() => sut!.GetRoles());
-    }
-
-    [Fact]
-    public void GetRoles_WhenClaimsPrincipalHasNoRoles_Should_ReturnEmpty()
-    {
-        ClaimsPrincipal sut = new();
-
-        Assert.Empty(sut.GetRoles());
-    }
-
-    [Fact]
-    public void GetRoles_WhenClaimsPrincipalHasRoles_Should_ReturnNotEmpty()
-    {
-        ClaimsPrincipal sut = new GenericPrincipal(new GenericIdentity("Uncle Festus"), roles);
-
-        Assert.Collection(sut.GetRoles(), s => Assert.Equal("Foo", s), t => Assert.Equal("Bar", t));
-    }
-
-    [Fact]
-    public void GetUserId_WhenClaimsPrincipalNull_Should_Throw()
-    {
-        ClaimsPrincipal? sut = null;
-
-        Assert.Throws<ArgumentNullException>(() => sut!.GetUserId());
-    }
-
-    [Fact]
-    public void GetUserId_WhenClaimsPrincipalHasNoProperty_Should_ReturnNull()
-    {
-        ClaimsPrincipal sut = new();
-
-        Assert.Null(sut.GetUserId());
-    }
-
-    [Fact]
-    public void GetUserId_WhenClaimsPrincipalHasId_Should_ReturnString()
-    {
-        ClaimsPrincipal sut = new GenericPrincipal(new GenericIdentity("Taki The Frog"), singleRole);
-
-        Assert.Equal("Taki The Frog", sut.GetUserId());
-    }
-}
\ No newline at end of file
diff --git a/IntelliTect.Multitool/Security/ClaimsPrincipalExtensions.cs b/IntelliTect.Multitool/Security/ClaimsPrincipalExtensions.cs
deleted file mode 100644
index f9bb265..0000000
--- a/IntelliTect.Multitool/Security/ClaimsPrincipalExtensions.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-using System.Security.Claims;
-
-namespace IntelliTect.Multitool.Security;
-
-/// <summary>
-/// Gets information from a <see cref="ClaimsPrincipal"/>
-/// </summary>
-public static class ClaimsPrincipalExtensions
-{
-    /// <summary>
-    /// Gets the user ID from a <see cref="ClaimsPrincipal"/>.
-    /// </summary>
-    /// <param name="principal">The <see cref="ClaimsPrincipal"/> to find a user ID for.</param>
-    /// <returns>A <see cref="string"/>, or null if the <see cref="ClaimsPrincipal"/> doesn't contain a <see cref="ClaimTypes.NameIdentifier"/>.</returns>
-    /// <exception cref="ArgumentNullException">principal is null.</exception>
-    public static string? GetUserId(this ClaimsPrincipal principal)
-    {
-        if (principal is null) throw new ArgumentNullException(nameof(principal));
-
-        Claim? claim = principal.FindFirst(ClaimTypes.NameIdentifier);
-        if (claim is null)
-        {
-            claim = principal.FindFirst(ClaimTypes.Name);
-            return claim?.Value;
-        }
-
-        return claim.Value;
-    }
-
-    /// <summary>
-    /// Gets all the roles a <see cref="ClaimsPrincipal"/> belongs to.
-    /// </summary>
-    /// <param name="principal">The <see cref="ClaimsPrincipal"/> to find roles for.</param>
-    /// <returns>An <see cref="IEnumerable{T}"/> of <see cref="string"/> if found, or an empty set.</returns>
-    /// <exception cref="ArgumentNullException">principal is null.</exception>
-    public static IEnumerable<string> GetRoles(this ClaimsPrincipal principal)
-    {
-        if (principal is null) throw new ArgumentNullException(nameof(principal));
-
-        IEnumerable<Claim> claims = principal.FindAll(ClaimTypes.Role);
-        return claims.Select(claim => claim.Value);
-    }
-}
\ No newline at end of file
diff --git a/README.md b/README.md
index 6e5a973..db7032e 100644
--- a/README.md
+++ b/README.md
@@ -52,12 +52,6 @@
   string fullPathToTheFile = Path.Combine(IntelliTect.Multitool.RepositoryPaths.GetDefaultRepoRoot(), "TheFile.txt");
   ```
 
-## Security
-
-- ClaimsPrincipalExtensions: Extension methods to get a user ID and roles.
-  - `GetUserId`
-  - `GetRoles`
-
 ## Extensions
 
 - StringExtensions: Extension methods for `System.String`