diff --git a/src/ICU4N/Support/AnonymousComparer.cs b/src/ICU4N/Support/AnonymousComparer.cs
deleted file mode 100644
index 810bb9d2..00000000
--- a/src/ICU4N/Support/AnonymousComparer.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace ICU4N.Support
-{
-    internal class AnonymousComparer<T> : IComparer<T>
-    {
-        private readonly Func<T, T, int> compare;
-
-        public AnonymousComparer(Func<T, T, int> compare)
-        {
-            this.compare = compare ?? throw new ArgumentNullException(nameof(compare));
-        }
-
-        public int Compare(T x, T y)
-        {
-            return compare(x, y);
-        }
-    }
-}
diff --git a/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceTest.cs b/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceTest.cs
index cf7934a0..d2e0bd28 100644
--- a/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceTest.cs
+++ b/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceTest.cs
@@ -474,7 +474,7 @@ public void TestAPI()
             // list the display names in reverse order
             {
                 Logln("display names in reverse order: " +
-                    service.GetDisplayNames(new UCultureInfo("en_US"), new AnonymousComparer<object>(compare: (lhs, rhs) =>
+                    service.GetDisplayNames(new UCultureInfo("en_US"), Comparer<object>.Create(comparison: (lhs, rhs) =>
                     {
                         return -StringComparer.OrdinalIgnoreCase.Compare((string)lhs, (string)rhs);
                     })));
@@ -888,7 +888,7 @@ public void TestLocale()
             // hmmm, the default toString function doesn't print in sorted order for TreeMap
             {
                 var map = service.GetDisplayNames(new UCultureInfo("en_US"),
-                    new AnonymousComparer<object>(compare: (lhs, rhs) =>
+                    Comparer<object>.Create(comparison: (lhs, rhs) =>
                     {
                         return -StringComparer.OrdinalIgnoreCase.Compare((string)lhs, (string)rhs);
                     }),
diff --git a/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceThreadTest.cs b/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceThreadTest.cs
index fa1b521a..5c03242b 100644
--- a/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceThreadTest.cs
+++ b/tests/ICU4N.Tests/Dev/Test/Util/ICUServiceThreadTest.cs
@@ -505,7 +505,7 @@ public void Test04_WitheringService()
             RegisterFactories(service, fc);
 
             IServiceFactory[] factories = (IServiceFactory[])fc.ToArray();
-            var comp = new AnonymousComparer<object>(compare: (lhs, rhs) =>
+            var comp = Comparer<object>.Create(comparison: (lhs, rhs) =>
             {
                 return lhs.ToString().CompareToOrdinal(rhs.ToString());
             });