diff --git a/osu.Game/Beatmaps/BeatmapInfo.cs b/osu.Game/Beatmaps/BeatmapInfo.cs
index 9f6e7f11c6..0534fd9253 100644
--- a/osu.Game/Beatmaps/BeatmapInfo.cs
+++ b/osu.Game/Beatmaps/BeatmapInfo.cs
@@ -28,6 +28,7 @@ namespace osu.Game.Beatmaps
             set => onlineBeatmapID = value > 0 ? value : null;
         }
 
+        [JsonIgnore]
         public int BeatmapSetInfoID { get; set; }
 
         public BeatmapSetOnlineStatus Status { get; set; } = BeatmapSetOnlineStatus.None;
diff --git a/osu.Game/Online/API/Requests/Responses/APIScoreInfo.cs b/osu.Game/Online/API/Requests/Responses/APIScoreInfo.cs
index 5d34b8eff5..de7038cbde 100644
--- a/osu.Game/Online/API/Requests/Responses/APIScoreInfo.cs
+++ b/osu.Game/Online/API/Requests/Responses/APIScoreInfo.cs
@@ -119,8 +119,11 @@ namespace osu.Game.Online.API.Requests.Responses
             {
                 base.Ruleset = value;
 
-                // Evaluate the mod string
-                Mods = Ruleset.CreateInstance().GetAllMods().Where(mod => modStrings.Contains(mod.Acronym)).ToArray();
+                if (modStrings != null)
+                {
+                    // Evaluate the mod string
+                    Mods = Ruleset.CreateInstance().GetAllMods().Where(mod => modStrings.Contains(mod.Acronym)).ToArray();
+                }
             }
         }
     }
diff --git a/osu.Game/Overlays/Profile/Sections/Ranks/PaginatedScoreContainer.cs b/osu.Game/Overlays/Profile/Sections/Ranks/PaginatedScoreContainer.cs
index 441cb2c29f..f92990fc5d 100644
--- a/osu.Game/Overlays/Profile/Sections/Ranks/PaginatedScoreContainer.cs
+++ b/osu.Game/Overlays/Profile/Sections/Ranks/PaginatedScoreContainer.cs
@@ -9,7 +9,6 @@ using osu.Game.Users;
 using System;
 using System.Linq;
 using osu.Game.Online.API.Requests.Responses;
-using osu.Game.Scoring;
 
 namespace osu.Game.Overlays.Profile.Sections.Ranks
 {
@@ -30,8 +29,6 @@ namespace osu.Game.Overlays.Profile.Sections.Ranks
             ItemsContainer.Direction = FillDirection.Vertical;
         }
 
-        private ScoreManager scoreManager;
-
         protected override void ShowMore()
         {
             base.ShowMore();
diff --git a/osu.Game/Scoring/ScoreInfo.cs b/osu.Game/Scoring/ScoreInfo.cs
index 2f1c924707..07f1181a69 100644
--- a/osu.Game/Scoring/ScoreInfo.cs
+++ b/osu.Game/Scoring/ScoreInfo.cs
@@ -75,6 +75,7 @@ namespace osu.Game.Scoring
             }
         }
 
+        [JsonIgnore]
         public User User;
 
         [Column("User")]
@@ -84,6 +85,7 @@ namespace osu.Game.Scoring
             set => User = new User { Username = value };
         }
 
+        [JsonIgnore]
         public int BeatmapInfoID { get; set; }
 
         public virtual BeatmapInfo Beatmap { get; set; }
@@ -92,6 +94,7 @@ namespace osu.Game.Scoring
 
         public DateTimeOffset Date { get; set; }
 
+        [JsonIgnore]
         public Dictionary<HitResult, object> Statistics = new Dictionary<HitResult, object>();
 
         [Column("Statistics")]
@@ -110,6 +113,7 @@ namespace osu.Game.Scoring
             }
         }
 
+        [JsonIgnore]
         public List<ScoreFileInfo> Files { get; set; }
 
         public string Hash { get; set; }