diff --git a/docs/en/config/inbounds/tunnel.md b/docs/en/config/inbounds/tunnel.md
index 5611ddb9..6ba83cc3 100644
--- a/docs/en/config/inbounds/tunnel.md
+++ b/docs/en/config/inbounds/tunnel.md
@@ -2,8 +2,6 @@
 
 Tunnel, formerly known as dokodemo-door (Arbitrary Door), can listen on multiple local ports and send all received data to a specific port on a specified server via an outbound, thereby achieving the effect of port mapping.
 
-[Image of port forwarding diagram]
-
 ## InboundConfigurationObject
 
 ```json