diff --git a/osu.Game/Online/API/Requests/GetScoresRequest.cs b/osu.Game/Online/API/Requests/GetScoresRequest.cs
index 13bd8d288d..537fce2548 100644
--- a/osu.Game/Online/API/Requests/GetScoresRequest.cs
+++ b/osu.Game/Online/API/Requests/GetScoresRequest.cs
@@ -80,7 +80,7 @@ namespace osu.Game.Online.API.Requests
         }
 
         [JsonProperty(@"statistics")]
-        private Dictionary<string, dynamic> jsonStats
+        private Dictionary<string, object> jsonStats
         {
             set
             {
diff --git a/osu.Game/Rulesets/Scoring/Score.cs b/osu.Game/Rulesets/Scoring/Score.cs
index 7f053ec1c5..c4ffa4e93c 100644
--- a/osu.Game/Rulesets/Scoring/Score.cs
+++ b/osu.Game/Rulesets/Scoring/Score.cs
@@ -38,6 +38,6 @@ namespace osu.Game.Rulesets.Scoring
 
         public DateTimeOffset Date;
 
-        public Dictionary<string, dynamic> Statistics = new Dictionary<string, dynamic>();
+        public Dictionary<string, object> Statistics = new Dictionary<string, object>();
     }
 }
diff --git a/osu.Game/Screens/Ranking/ResultsPageScore.cs b/osu.Game/Screens/Ranking/ResultsPageScore.cs
index bf406ff912..b01410cff5 100644
--- a/osu.Game/Screens/Ranking/ResultsPageScore.cs
+++ b/osu.Game/Screens/Ranking/ResultsPageScore.cs
@@ -186,9 +186,9 @@ namespace osu.Game.Screens.Ranking
 
         private class DrawableScoreStatistic : Container
         {
-            private readonly KeyValuePair<string, dynamic> statistic;
+            private readonly KeyValuePair<string, object> statistic;
 
-            public DrawableScoreStatistic(KeyValuePair<string, dynamic> statistic)
+            public DrawableScoreStatistic(KeyValuePair<string, object> statistic)
             {
                 this.statistic = statistic;
 
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index a6860e4e8c..bdca48ccdf 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -124,7 +124,6 @@
       <HintPath>$(SolutionDir)\packages\DotNetZip.1.10.1\lib\net20\DotNetZip.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.CSharp" />
     <Reference Include="Mono.Cecil, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\Mono.Cecil.0.9.6.4\lib\net45\Mono.Cecil.dll</HintPath>
       <Private>True</Private>