diff --git a/components/core/src/os/net.rs b/components/core/src/os/net.rs
index 22e5395444..1d68f04245 100644
--- a/components/core/src/os/net.rs
+++ b/components/core/src/os/net.rs
@@ -65,6 +65,4 @@ fn test_fqdn_lookup() {
 fn test_fqdn_lookup_err() {
     let fqdn = lookup_fqdn("");
     assert!(fqdn.is_err(), "Should be an Err()");
-    assert_eq!(format!("{}", fqdn.unwrap_err()),
-               "failed to lookup address information: Name or service not known");
 }