diff --git a/src/client/legacy/connect/http.rs b/src/client/legacy/connect/http.rs
index 6af9e98..f8c9366 100644
--- a/src/client/legacy/connect/http.rs
+++ b/src/client/legacy/connect/http.rs
@@ -76,6 +76,7 @@ struct Config {
     reuse_address: bool,
     send_buffer_size: Option<usize>,
     recv_buffer_size: Option<usize>,
+    #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
     interface: Option<String>,
 }
 
@@ -179,6 +180,7 @@ impl<R> HttpConnector<R> {
                 reuse_address: false,
                 send_buffer_size: None,
                 recv_buffer_size: None,
+                #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
                 interface: None,
             }),
             resolver,
@@ -1117,6 +1119,11 @@ mod tests {
                         enforce_http: false,
                         send_buffer_size: None,
                         recv_buffer_size: None,
+                        #[cfg(any(
+                            target_os = "android",
+                            target_os = "fuchsia",
+                            target_os = "linux"
+                        ))]
                         interface: None,
                     };
                     let connecting_tcp = ConnectingTcp::new(dns::SocketAddrs::new(addrs), &cfg);