diff --git a/osu.Game.Rulesets.Karaoke.Tests/Utils/EnumUtilsTest.cs b/osu.Game.Rulesets.Karaoke.Tests/Utils/EnumUtilsTest.cs
index fe5578d77..8d201806e 100644
--- a/osu.Game.Rulesets.Karaoke.Tests/Utils/EnumUtilsTest.cs
+++ b/osu.Game.Rulesets.Karaoke.Tests/Utils/EnumUtilsTest.cs
@@ -10,19 +10,6 @@ namespace osu.Game.Rulesets.Karaoke.Tests.Utils
     [TestFixture]
     public class EnumUtilsTest
     {
-        [Test]
-        public void TestGetValues()
-        {
-            var expected = new[]
-            {
-                TestEnum.Enum1,
-                TestEnum.Enum2,
-                TestEnum.Enum3
-            };
-            var actual = EnumUtils.GetValues<TestEnum>();
-            Assert.AreEqual(expected, actual);
-        }
-
         [TestCase(TestEnum.Enum1, TestEnum.Enum3)]
         [TestCase(TestEnum.Enum2, TestEnum.Enum1)]
         [TestCase(TestEnum.Enum3, TestEnum.Enum2)]
diff --git a/osu.Game.Rulesets.Karaoke/Utils/EnumUtils.cs b/osu.Game.Rulesets.Karaoke/Utils/EnumUtils.cs
index 88cb50959..374ef1b1f 100644
--- a/osu.Game.Rulesets.Karaoke/Utils/EnumUtils.cs
+++ b/osu.Game.Rulesets.Karaoke/Utils/EnumUtils.cs
@@ -9,14 +9,11 @@ namespace osu.Game.Rulesets.Karaoke.Utils
 {
     public static class EnumUtils
     {
-        public static T[] GetValues<T>() where T : Enum
-            => (T[])Enum.GetValues(typeof(T));
+        public static T GetPreviousValue<T>(T v) where T : struct, Enum
+            => Enum.GetValues<T>().Concat(new[] { default(T)! }).Reverse().SkipWhile(e => !EqualityComparer<T>.Default.Equals(v, e)).Skip(1).First();
 
-        public static T GetPreviousValue<T>(T v) where T : Enum
-            => GetValues<T>().Concat(new[] { default(T)! }).Reverse().SkipWhile(e => !EqualityComparer<T>.Default.Equals(v, e)).Skip(1).First();
-
-        public static T GetNextValue<T>(T v) where T : Enum
-            => GetValues<T>().Concat(new[] { default(T)! }).SkipWhile(e => !EqualityComparer<T>.Default.Equals(v, e)).Skip(1).First();
+        public static T GetNextValue<T>(T v) where T : struct, Enum
+            => Enum.GetValues<T>().Concat(new[] { default(T)! }).SkipWhile(e => !EqualityComparer<T>.Default.Equals(v, e)).Skip(1).First();
 
         public static T Casting<T>(Enum mode)
             => (T)(object)mode;