From 98005933debc804f483a53b0e53ed6bf7186d09d Mon Sep 17 00:00:00 2001
From: Adam Hathcock <adamhathcock@users.noreply.github.com>
Date: Thu, 19 Jun 2025 09:34:34 +0100
Subject: [PATCH] Remove DistinctBy as we don't use it (#342)

---
 src/Speckle.Sdk.Dependencies/Collections.cs | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/src/Speckle.Sdk.Dependencies/Collections.cs b/src/Speckle.Sdk.Dependencies/Collections.cs
index b4c910da..aa622c83 100644
--- a/src/Speckle.Sdk.Dependencies/Collections.cs
+++ b/src/Speckle.Sdk.Dependencies/Collections.cs
@@ -22,23 +22,4 @@ public static class Collections
 public static class EnumerableExtensions
 {
   public static IEnumerable<int> RangeFrom(int from, int to) => Enumerable.Range(from, to - from + 1);
-
-#if NETSTANDARD2_0
-  public static IEnumerable<TSource> DistinctBy<TSource, TKey>(
-    this IEnumerable<TSource> source,
-    Func<TSource, TKey> keySelector
-  )
-  {
-    var keys = new HashSet<TKey>();
-    foreach (var element in source)
-    {
-      if (keys.Contains(keySelector(element)))
-      {
-        continue;
-      }
-      keys.Add(keySelector(element));
-      yield return element;
-    }
-  }
-#endif
 }