diff --git a/mautrix_telegram/config.py b/mautrix_telegram/config.py
index 3b172f5c..2fdf9c7c 100644
--- a/mautrix_telegram/config.py
+++ b/mautrix_telegram/config.py
@@ -137,7 +137,6 @@ class Config(BaseBridgeConfig):
         copy("bridge.inline_images")
         copy("bridge.image_as_file_size")
         copy("bridge.image_as_file_pixels")
-        copy("bridge.max_document_size")
         copy("bridge.parallel_file_transfer")
         copy("bridge.federate_rooms")
         copy("bridge.animated_sticker.target")
diff --git a/mautrix_telegram/example-config.yaml b/mautrix_telegram/example-config.yaml
index c3a316d4..29552262 100644
--- a/mautrix_telegram/example-config.yaml
+++ b/mautrix_telegram/example-config.yaml
@@ -210,8 +210,6 @@ bridge:
     image_as_file_size: 10
     # Maximum number of pixels in an image before sending to Telegram as a document. Defaults to 1280x1280 = 1638400.
     image_as_file_pixels: 1638400
-    # Maximum size of Telegram documents in megabytes to bridge.
-    max_document_size: 100
     # Enable experimental parallel file transfer, which makes uploads/downloads much faster by
     # streaming from/to Matrix and using many connections for Telegram.
     # Note that generating HQ thumbnails for videos is not possible with streamed transfers.
diff --git a/mautrix_telegram/portal.py b/mautrix_telegram/portal.py
index 8ef512cf..6a146fb2 100644
--- a/mautrix_telegram/portal.py
+++ b/mautrix_telegram/portal.py
@@ -2354,7 +2354,7 @@ class Portal(DBPortal, BasePortal):
 
         attrs = self._parse_telegram_document_attributes(document.attributes)
 
-        if document.size > self.config["bridge.max_document_size"] * 1000**2:
+        if document.size > self.matrix.media_config.upload_size:
             name = attrs.name or ""
             caption = f"\n{evt.message}" if evt.message else ""
             # TODO encrypt
@@ -2758,7 +2758,7 @@ class Portal(DBPortal, BasePortal):
             "chats": self.peer_type == "chat",
             "users": self.peer_type == "user",
             "channels": (self.peer_type == "channel" and not self.megagroup),
-            "max_file_size": min(self.config["bridge.max_document_size"], 2000) * 1024 * 1024,
+            "max_file_size": min(self.matrix.media_config.upload_size, 2000 * 1024 * 1024),
         }
 
     async def backfill(