diff --git a/osu.Game.Tests/Mods/ModUtilsTest.cs b/osu.Game.Tests/Mods/ModUtilsTest.cs
index 4c126f0a3b..e858abfe44 100644
--- a/osu.Game.Tests/Mods/ModUtilsTest.cs
+++ b/osu.Game.Tests/Mods/ModUtilsTest.cs
@@ -134,18 +134,6 @@ namespace osu.Game.Tests.Mods
 
         private static readonly object[] invalid_mod_test_scenarios =
         {
-            // incompatible pair.
-            new object[]
-            {
-                new Mod[] { new OsuModDoubleTime(), new OsuModHalfTime() },
-                new[] { typeof(OsuModDoubleTime), typeof(OsuModHalfTime) }
-            },
-            // incompatible pair with derived class.
-            new object[]
-            {
-                new Mod[] { new OsuModNightcore(), new OsuModHalfTime() },
-                new[] { typeof(OsuModNightcore), typeof(OsuModHalfTime) }
-            },
             // system mod.
             new object[]
             {
diff --git a/osu.Game/Utils/ModUtils.cs b/osu.Game/Utils/ModUtils.cs
index 946386a7ce..0d46494319 100644
--- a/osu.Game/Utils/ModUtils.cs
+++ b/osu.Game/Utils/ModUtils.cs
@@ -106,7 +106,7 @@ namespace osu.Game.Utils
         }
 
         /// <summary>
-        /// Check the provided combination of mods are valid for a local gameplay session.
+        /// Checks that all <see cref="Mod"/>s in a combination are valid for a local gameplay session.
         /// </summary>
         /// <param name="mods">The mods to check.</param>
         /// <param name="invalidMods">Invalid mods, if any were found. Will be null if all mods were valid.</param>
@@ -115,7 +115,7 @@ namespace osu.Game.Utils
             => checkValid(mods, m => m.Type != ModType.System && m.HasImplementation && !(m is MultiMod), out invalidMods);
 
         /// <summary>
-        /// Check the provided combination of mods are valid as "required mods" in a multiplayer match session.
+        /// Checks that all <see cref="Mod"/>s in a combination are valid as "required mods" in a multiplayer match session.
         /// </summary>
         /// <param name="mods">The mods to check.</param>
         /// <param name="invalidMods">Invalid mods, if any were found. Will be null if all mods were valid.</param>
@@ -124,7 +124,7 @@ namespace osu.Game.Utils
             => checkValid(mods, m => m.IsPlayable(ModUsage.MultiplayerRoomWide), out invalidMods);
 
         /// <summary>
-        /// Check the provided combination of mods are valid as "free mods" in a multiplayer match session.
+        /// Checks that all <see cref="Mod"/>s in a combination are valid as "free mods" in a multiplayer match session.
         /// </summary>
         /// <param name="mods">The mods to check.</param>
         /// <param name="invalidMods">Invalid mods, if any were found. Will be null if all mods were valid.</param>