diff --git a/src/server/connection.rs b/src/server/connection.rs
index ee3024c6f..a5ef3f20f 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -2167,16 +2167,6 @@ impl Connection {
                 }
             }
         }
-        // Custom resolution here is only valid in the process of establishing a connection.
-        // After the connection is established, the resolution is changed by another message.
-        #[cfg(not(any(target_os = "android", target_os = "ios")))]
-        if let Some(custom_resolution) = o.custom_resolution.as_ref() {
-            if Self::alive_conns().len() == 1 {
-                if custom_resolution.width > 0 && custom_resolution.height > 0 {
-                    self.change_resolution(&custom_resolution);
-                }
-            }
-        }
         if self.keyboard {
             if let Ok(q) = o.block_input.enum_value() {
                 match q {