diff --git a/ExportChartData/ExportChartData.csproj b/ExportChartData/ExportChartData.csproj
deleted file mode 100644
index 72e8824..0000000
--- a/ExportChartData/ExportChartData.csproj
+++ /dev/null
@@ -1,7 +0,0 @@
-<Project>
-  <PropertyGroup>
-    <AssemblyName>Assembly-CSharp.ExportChartData.mm</AssemblyName>
-    <Description>Export chart data to charts.csv</Description>
-  </PropertyGroup>
-  <Import Project="..\Mu3Mods.csproj" />
-</Project>
\ No newline at end of file
diff --git a/ExportChartData/MU3.Data/patch_DataManager.cs b/ExportChartData/MU3.Data/patch_DataManager.cs
deleted file mode 100644
index f3aa6b0..0000000
--- a/ExportChartData/MU3.Data/patch_DataManager.cs
+++ /dev/null
@@ -1,58 +0,0 @@
-using System.IO;
-
-namespace MU3.Data;
-
-class patch_DataManager: DataManager {
-    private extern void orig_linkFumenAnalysisData();
-    private const string SEPARATOR = "$";
-    private string PrintHeader() {
-        return string.Join(SEPARATOR, new string[] {
-            "id",
-            "name",
-            "difficulty",
-            "name for sort",
-            "artist",
-            "genre",
-            "internal level",
-            "charter",
-            "max platinum score",
-            "release date",
-            "release version",
-            "bpm",
-            "location"
-        });
-    }
-    private string PrintLine(FumenData fumen, MusicData mus, int level) {
-        return string.Join(SEPARATOR, new string[] {
-            mus.id.ToString(),
-            mus.name,
-            level.ToString(),
-            mus.nameForSort,
-            mus.artistName,
-            mus.genreName,
-            fumen.fumenConst.ToString(),
-            fumen.notesDesignerName ?? "",
-            fumen.platinumScoreMax.ToString(),
-            mus.ReleaseVersion.ToUniversalTime().ToString(),
-            mus.versionTitle,
-            fumen.bpm.ToString(),
-            fumen.fumenFile.Substring(fumen.fumenFile.LastIndexOf('A'))
-        });
-    }
-
-    private void linkFumenAnalysisData() {
-        orig_linkFumenAnalysisData();
-        using StreamWriter writer = new("charts.csv");
-        writer.WriteLine(PrintHeader());
-        foreach(var mus in allMusicData) {
-            int i = 0;
-            foreach(var fumen in mus.fumenData) {
-                if(fumen.isExist) {
-                    writer.WriteLine(PrintLine(fumen, mus, i));
-                }
-                i += 1;
-            }
-        }
-        UnityEngine.Debug.Log("[ExportChartData] Written to charts.csv");
-    }
-}
\ No newline at end of file
diff --git a/Mu3Mods.sln b/Mu3Mods.sln
index 0f32ef3..0fb92ee 100644
--- a/Mu3Mods.sln
+++ b/Mu3Mods.sln
@@ -7,8 +7,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BetterGiveUp", "BetterGiveU
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NaiveRating", "NaiveRating\NaiveRating.csproj", "{1FEA698E-DF5E-46CF-8023-F2B2F57885C5}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ExportChartData", "ExportChartData\ExportChartData.csproj", "{8BFC37B1-C6C8-492A-B8DC-99BD1F1B9576}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SkipNotice", "SkipNotice\SkipNotice.csproj", "{A1F32CB9-56C2-458A-B369-C61BD3A6AFBB}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SkipPreMusicRitual", "SkipPreMusicRitual\SkipPreMusicRitual.csproj", "{BB9CB905-9989-466C-9A91-D2F323005237}"
@@ -55,10 +53,6 @@ Global
 		{1FEA698E-DF5E-46CF-8023-F2B2F57885C5}.Debug|x64.Build.0 = Debug|x64
 		{1FEA698E-DF5E-46CF-8023-F2B2F57885C5}.Release|x64.ActiveCfg = Release|x64
 		{1FEA698E-DF5E-46CF-8023-F2B2F57885C5}.Release|x64.Build.0 = Release|x64
-		{8BFC37B1-C6C8-492A-B8DC-99BD1F1B9576}.Debug|x64.ActiveCfg = Debug|x64
-		{8BFC37B1-C6C8-492A-B8DC-99BD1F1B9576}.Debug|x64.Build.0 = Debug|x64
-		{8BFC37B1-C6C8-492A-B8DC-99BD1F1B9576}.Release|x64.ActiveCfg = Release|x64
-		{8BFC37B1-C6C8-492A-B8DC-99BD1F1B9576}.Release|x64.Build.0 = Release|x64
 		{A1F32CB9-56C2-458A-B369-C61BD3A6AFBB}.Debug|x64.ActiveCfg = Debug|x64
 		{A1F32CB9-56C2-458A-B369-C61BD3A6AFBB}.Debug|x64.Build.0 = Debug|x64
 		{A1F32CB9-56C2-458A-B369-C61BD3A6AFBB}.Release|x64.ActiveCfg = Release|x64