diff --git a/yt_dlp/downloader/external.py b/yt_dlp/downloader/external.py
index 257c03367..d7cd8f38e 100644
--- a/yt_dlp/downloader/external.py
+++ b/yt_dlp/downloader/external.py
@@ -269,7 +269,6 @@ class WgetFD(ExternalFD):
 class Aria2cFD(ExternalFD):
     AVAILABLE_OPT = '-v'
     SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'dash_frag_urls', 'm3u8_frag_urls')
-    _CAPTURE_STDERR = False
 
     @staticmethod
     def supports_manifest(manifest):
@@ -294,7 +293,7 @@ class Aria2cFD(ExternalFD):
         return super()._call_downloader(tmpfilename, info_dict)
 
     def _make_cmd(self, tmpfilename, info_dict):
-        cmd = [self.exe, '--no-conf', '--stderr=true', '--auto-save-interval=10',
+        cmd = [self.exe, '--no-conf', '--auto-save-interval=10',
                '--console-log-level=warn', '--summary-interval=0', '--download-result=hide',
                '--http-accept-gzip=true', '--file-allocation=none', '-x16', '-j16', '-s16']
         if 'fragments' in info_dict: