diff --git a/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs b/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs
index ad2007f202..c8848ab7d8 100644
--- a/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs
+++ b/osu.Game.Tests/Online/TestAPIModJsonSerialization.cs
@@ -8,6 +8,7 @@
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.Online.API;
+using osu.Game.Online.Solo;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
@@ -88,33 +89,27 @@ public void TestDeserialiseDifficultyAdjustModWithExtendedLimits()
         }
 
         [Test]
-        public void TestDeserialiseScoreInfoWithEmptyMods()
+        public void TestDeserialiseSubmittableScoreWithEmptyMods()
         {
-            var score = new ScoreInfo { Ruleset = new OsuRuleset().RulesetInfo };
+            var score = new SubmittableScore(new ScoreInfo { Ruleset = new OsuRuleset().RulesetInfo });
 
-            var deserialised = JsonConvert.DeserializeObject<ScoreInfo>(JsonConvert.SerializeObject(score));
-
-            if (deserialised != null)
-                deserialised.Ruleset = new OsuRuleset().RulesetInfo;
+            var deserialised = JsonConvert.DeserializeObject<SubmittableScore>(JsonConvert.SerializeObject(score));
 
             Assert.That(deserialised?.Mods.Length, Is.Zero);
         }
 
         [Test]
-        public void TestDeserialiseScoreInfoWithCustomModSetting()
+        public void TestDeserialiseSubmittableScoreWithCustomModSetting()
         {
-            var score = new ScoreInfo
+            var score = new SubmittableScore(new ScoreInfo
             {
                 Ruleset = new OsuRuleset().RulesetInfo,
                 Mods = new Mod[] { new OsuModDoubleTime { SpeedChange = { Value = 2 } } }
-            };
+            });
 
-            var deserialised = JsonConvert.DeserializeObject<ScoreInfo>(JsonConvert.SerializeObject(score));
+            var deserialised = JsonConvert.DeserializeObject<SubmittableScore>(JsonConvert.SerializeObject(score));
 
-            if (deserialised != null)
-                deserialised.Ruleset = new OsuRuleset().RulesetInfo;
-
-            Assert.That(((OsuModDoubleTime)deserialised?.Mods[0])?.SpeedChange.Value, Is.EqualTo(2));
+            Assert.That((deserialised?.Mods[0])?.Settings["speed_change"], Is.EqualTo(2));
         }
 
         private class TestRuleset : Ruleset
diff --git a/osu.Game/Online/Solo/SubmitSoloScoreRequest.cs b/osu.Game/Online/Solo/SubmitSoloScoreRequest.cs
index 184dbc911d..25c2e5a61f 100644
--- a/osu.Game/Online/Solo/SubmitSoloScoreRequest.cs
+++ b/osu.Game/Online/Solo/SubmitSoloScoreRequest.cs
@@ -1,17 +1,12 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using System.Collections.Generic;
 using System.Net.Http;
 using Newtonsoft.Json;
-using Newtonsoft.Json.Converters;
 using osu.Framework.IO.Network;
 using osu.Game.Online.API;
-using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Online.Rooms;
-using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
-using osu.Game.Users;
 
 namespace osu.Game.Online.Solo
 {
@@ -47,57 +42,4 @@ protected override WebRequest CreateWebRequest()
 
         protected override string Target => $@"beatmaps/{beatmapId}/solo/scores/{scoreId}";
     }
-
-    /// <summary>
-    /// A class specifically for sending scores to the API during score submission.
-    /// This is used instead of <see cref="APIScoreInfo"/> due to marginally different serialisation naming requirements.
-    /// </summary>
-    public class SubmittableScore
-    {
-        [JsonProperty("rank")]
-        [JsonConverter(typeof(StringEnumConverter))]
-        public ScoreRank Rank { get; }
-
-        [JsonProperty("total_score")]
-        public long TotalScore { get; }
-
-        [JsonProperty("accuracy")]
-        public double Accuracy { get; }
-
-        [JsonProperty(@"pp")]
-        public double? PP { get; }
-
-        [JsonProperty("max_combo")]
-        public int MaxCombo { get; }
-
-        [JsonProperty("ruleset_id")]
-        public int RulesetID { get; }
-
-        [JsonProperty("passed")]
-        public bool Passed { get; }
-
-        // Used for API serialisation/deserialisation.
-        [JsonProperty("mods")]
-        public APIMod[] Mods { get; }
-
-        [JsonProperty("user")]
-        public User User { get; }
-
-        [JsonProperty("statistics")]
-        public Dictionary<HitResult, int> Statistics { get; }
-
-        public SubmittableScore(ScoreInfo score)
-        {
-            Rank = score.Rank;
-            TotalScore = score.TotalScore;
-            Accuracy = score.Accuracy;
-            PP = score.PP;
-            MaxCombo = score.MaxCombo;
-            RulesetID = score.RulesetID;
-            Passed = score.Passed;
-            Mods = score.APIMods;
-            User = score.User;
-            Statistics = score.Statistics;
-        }
-    }
 }
diff --git a/osu.Game/Online/Solo/SubmittableScore.cs b/osu.Game/Online/Solo/SubmittableScore.cs
new file mode 100644
index 0000000000..bafb308a13
--- /dev/null
+++ b/osu.Game/Online/Solo/SubmittableScore.cs
@@ -0,0 +1,75 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using JetBrains.Annotations;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using osu.Game.Online.API;
+using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
+using osu.Game.Users;
+
+namespace osu.Game.Online.Solo
+{
+    /// <summary>
+    /// A class specifically for sending scores to the API during score submission.
+    /// This is used instead of <see cref="APIScoreInfo"/> due to marginally different serialisation naming requirements.
+    /// </summary>
+    [Serializable]
+    public class SubmittableScore
+    {
+        [JsonProperty("rank")]
+        [JsonConverter(typeof(StringEnumConverter))]
+        public ScoreRank Rank { get; set; }
+
+        [JsonProperty("total_score")]
+        public long TotalScore { get; set; }
+
+        [JsonProperty("accuracy")]
+        public double Accuracy { get; set; }
+
+        [JsonProperty(@"pp")]
+        public double? PP { get; set; }
+
+        [JsonProperty("max_combo")]
+        public int MaxCombo { get; set; }
+
+        [JsonProperty("ruleset_id")]
+        public int RulesetID { get; set; }
+
+        [JsonProperty("passed")]
+        public bool Passed { get; set; }
+
+        // Used for API serialisation/deserialisation.
+        [JsonProperty("mods")]
+        public APIMod[] Mods { get; set; }
+
+        [JsonProperty("user")]
+        public User User { get; set; }
+
+        [JsonProperty("statistics")]
+        public Dictionary<HitResult, int> Statistics { get; set; }
+
+        [UsedImplicitly]
+        public SubmittableScore()
+        {
+        }
+
+        public SubmittableScore(ScoreInfo score)
+        {
+            Rank = score.Rank;
+            TotalScore = score.TotalScore;
+            Accuracy = score.Accuracy;
+            PP = score.PP;
+            MaxCombo = score.MaxCombo;
+            RulesetID = score.RulesetID;
+            Passed = score.Passed;
+            Mods = score.APIMods;
+            User = score.User;
+            Statistics = score.Statistics;
+        }
+    }
+}