diff --git a/SpineViewer/Exporter/Implementations/ExportArgs/CustomExportArgs.cs b/SpineViewer/Exporter/Implementations/ExportArgs/CustomExportArgs.cs
index aad13c7..047ab89 100644
--- a/SpineViewer/Exporter/Implementations/ExportArgs/CustomExportArgs.cs
+++ b/SpineViewer/Exporter/Implementations/ExportArgs/CustomExportArgs.cs
@@ -1,6 +1,4 @@
-using FFMpegCore.Enums;
-using FFMpegCore;
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
diff --git a/SpineViewer/Exporter/Implementations/ExportArgs/VideoExportArgs.cs b/SpineViewer/Exporter/Implementations/ExportArgs/VideoExportArgs.cs
index 0d44007..3847b48 100644
--- a/SpineViewer/Exporter/Implementations/ExportArgs/VideoExportArgs.cs
+++ b/SpineViewer/Exporter/Implementations/ExportArgs/VideoExportArgs.cs
@@ -1,6 +1,4 @@
-using FFMpegCore.Enums;
-using FFMpegCore;
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
diff --git a/SpineViewer/Exporter/Implementations/Exporter/FFmpegVideoExporter.cs b/SpineViewer/Exporter/Implementations/Exporter/FFmpegVideoExporter.cs
index c30d253..7d8b420 100644
--- a/SpineViewer/Exporter/Implementations/Exporter/FFmpegVideoExporter.cs
+++ b/SpineViewer/Exporter/Implementations/Exporter/FFmpegVideoExporter.cs
@@ -7,7 +7,6 @@ using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using FFMpegCore.Arguments;
 using System.Diagnostics;
 
 namespace SpineViewer.Exporter.Implementations.Exporter
diff --git a/SpineViewer/MainForm.cs b/SpineViewer/MainForm.cs
index ad092ef..dc22e50 100644
--- a/SpineViewer/MainForm.cs
+++ b/SpineViewer/MainForm.cs
@@ -1,13 +1,7 @@
-using FFMpegCore.Pipes;
-using FFMpegCore;
-using NLog;
-using SFML.System;
+using NLog;
 using SpineViewer.Spine;
 using System.ComponentModel;
 using System.Diagnostics;
-using System.Text.Json;
-using System.Text.Json.Nodes;
-using FFMpegCore.Enums;
 using SpineViewer.Exporter;
 
 namespace SpineViewer