diff --git a/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs b/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs
new file mode 100644
index 0000000000..f75d320a46
--- /dev/null
+++ b/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs
@@ -0,0 +1,78 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using Newtonsoft.Json;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets;
+
+namespace osu.Game.Online.API.Requests.Responses
+{
+    public class APIBeatmap : BeatmapMetadata
+    {
+        [JsonProperty(@"id")]
+        private int onlineBeatmapID { get; set; }
+
+        [JsonProperty(@"playcount")]
+        private int playCount { get; set; }
+
+        [JsonProperty(@"passcount")]
+        private int passCount { get; set; }
+
+        [JsonProperty(@"mode_int")]
+        private int ruleset { get; set; }
+
+        [JsonProperty(@"difficulty_rating")]
+        private double starDifficulty { get; set; }
+
+        [JsonProperty(@"drain")]
+        private float drainRate { get; set; }
+
+        [JsonProperty(@"cs")]
+        private float circleSize { get; set; }
+
+        [JsonProperty(@"ar")]
+        private float approachRate { get; set; }
+
+        [JsonProperty(@"accuracy")]
+        private float overallDifficulty { get; set; }
+
+        [JsonProperty(@"total_length")]
+        private double length { get; set; }
+
+        [JsonProperty(@"count_circles")]
+        private int circleCount { get; set; }
+
+        [JsonProperty(@"count_sliders")]
+        private int sliderCount { get; set; }
+
+        [JsonProperty(@"version")]
+        private string version { get; set; }
+
+        public BeatmapInfo ToBeatmap(RulesetStore rulesets)
+        {
+            return new BeatmapInfo
+            {
+                Metadata = this,
+                Ruleset = rulesets.GetRuleset(ruleset),
+                StarDifficulty = starDifficulty,
+                OnlineBeatmapID = onlineBeatmapID,
+                Version = version,
+                BaseDifficulty = new BeatmapDifficulty
+                {
+                    DrainRate = drainRate,
+                    CircleSize = circleSize,
+                    ApproachRate = approachRate,
+                    OverallDifficulty = overallDifficulty,
+                },
+                OnlineInfo = new BeatmapOnlineInfo
+                {
+                    PlayCount = playCount,
+                    PassCount = passCount,
+                    Length = length,
+                    CircleCount = circleCount,
+                    SliderCount = sliderCount,
+                },
+            };
+        }
+    }
+}
diff --git a/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs b/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs
index cbe3b929fd..f57de016a2 100644
--- a/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs
+++ b/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs
@@ -46,12 +46,13 @@ namespace osu.Game.Online.API.Requests.Responses
         private DateTimeOffset lastUpdated { get; set; }
 
         [JsonProperty(@"user_id")]
-        private long creatorId {
+        private long creatorId
+        {
             set { Author.Id = value; }
         }
 
         [JsonProperty(@"beatmaps")]
-        private IEnumerable<APIResponseBeatmap> beatmaps { get; set; }
+        private IEnumerable<APIBeatmap> beatmaps { get; set; }
 
         public BeatmapSetInfo ToBeatmapSet(RulesetStore rulesets)
         {
@@ -76,74 +77,5 @@ namespace osu.Game.Online.API.Requests.Responses
                 Beatmaps = beatmaps?.Select(b => b.ToBeatmap(rulesets)).ToList(),
             };
         }
-
-        private class APIResponseBeatmap : BeatmapMetadata
-        {
-            [JsonProperty(@"id")]
-            private int onlineBeatmapID { get; set; }
-
-            [JsonProperty(@"playcount")]
-            private int playCount { get; set; }
-
-            [JsonProperty(@"passcount")]
-            private int passCount { get; set; }
-
-            [JsonProperty(@"mode_int")]
-            private int ruleset { get; set; }
-
-            [JsonProperty(@"difficulty_rating")]
-            private double starDifficulty { get; set; }
-
-            [JsonProperty(@"drain")]
-            private float drainRate { get; set; }
-
-            [JsonProperty(@"cs")]
-            private float circleSize { get; set; }
-
-            [JsonProperty(@"ar")]
-            private float approachRate { get; set; }
-
-            [JsonProperty(@"accuracy")]
-            private float overallDifficulty { get; set; }
-
-            [JsonProperty(@"total_length")]
-            private double length { get; set; }
-
-            [JsonProperty(@"count_circles")]
-            private int circleCount { get; set; }
-
-            [JsonProperty(@"count_sliders")]
-            private int sliderCount { get; set; }
-
-            [JsonProperty(@"version")]
-            private string version { get; set; }
-
-            public BeatmapInfo ToBeatmap(RulesetStore rulesets)
-            {
-                return new BeatmapInfo
-                {
-                    Metadata = this,
-                    Ruleset = rulesets.GetRuleset(ruleset),
-                    StarDifficulty = starDifficulty,
-                    OnlineBeatmapID = onlineBeatmapID,
-                    Version = version,
-                    BaseDifficulty = new BeatmapDifficulty
-                    {
-                        DrainRate = drainRate,
-                        CircleSize = circleSize,
-                        ApproachRate = approachRate,
-                        OverallDifficulty = overallDifficulty,
-                    },
-                    OnlineInfo = new BeatmapOnlineInfo
-                    {
-                        PlayCount = playCount,
-                        PassCount = passCount,
-                        Length = length,
-                        CircleCount = circleCount,
-                        SliderCount = sliderCount,
-                    },
-                };
-            }
-        }
     }
 }