diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 1737ac5f6..0ed6c45c8 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -773,11 +773,13 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
                     raise original_ioerror
             resp = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
             resp.msg = old_resp.msg
+            del resp.headers['Content-encoding']
         # deflate
         if resp.headers.get('Content-encoding', '') == 'deflate':
             gz = io.BytesIO(self.deflate(resp.read()))
             resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
             resp.msg = old_resp.msg
+            del resp.headers['Content-encoding']
         # Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see
         # https://github.com/rg3/youtube-dl/issues/6457).
         if 300 <= resp.code < 400: