diff --git a/src/unix/linux_like/emscripten/mod.rs b/src/unix/linux_like/emscripten/mod.rs
index a7a81ae2016ff3c0f1ec21127678d6b882ea671c..2f57897b6e6ca1c95a9c3db4a35cb1e748dc4ea6 100644
--- a/src/unix/linux_like/emscripten/mod.rs
+++ b/src/unix/linux_like/emscripten/mod.rs
@@ -1227,7 +1227,6 @@ pub const TCP_QUEUE_SEQ: ::c_int = 21;
 pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
 pub const TCP_FASTOPEN: ::c_int = 23;
 pub const TCP_TIMESTAMP: ::c_int = 24;
-pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;
 
 #[doc(hidden)]
 #[deprecated(since = "0.2.55", note = "Use SIGSYS instead")]