diff --git a/lib/services/file_service.dart b/lib/services/file_service.dart
index 8495733..dce0606 100644
--- a/lib/services/file_service.dart
+++ b/lib/services/file_service.dart
@@ -38,13 +38,6 @@
       vPlane = Uint8List.fromList((vRaw as List).cast<int>());
     }
 
-    debugPrint(
-      'YUV data: ${yuvData['width']}x${yuvData['height']}, '
-      'yPlane: ${yPlane.length} bytes, '
-      'uPlane: ${uPlane.length} bytes, '
-      'vPlane: ${vPlane.length} bytes',
-    );
-
     if (yPlane.isEmpty) {
       throw Exception('YUV データが空です');
     }
@@ -60,20 +53,12 @@
       'uvPixelStride': yuvData['uvPixelStride'] as int,
     };
 
-    debugPrint('PNG 変換開始...');
-    final stopwatch = Stopwatch()..start();
     final pngBytes = await compute(_convertYuvToPng, params);
-    stopwatch.stop();
-    debugPrint(
-      'PNG 変換完了: ${pngBytes.length} bytes, '
-      '${stopwatch.elapsedMilliseconds}ms',
-    );
 
     final fileName = await generateFileName();
     final filePath = '$_basePath/$fileName';
     final file = File(filePath);
     await file.writeAsBytes(pngBytes);
-    debugPrint('ファイル保存完了: $filePath');
 
     return filePath;
   }