diff --git a/tests/smoke.rs b/tests/smoke.rs
index 060d855..9ccb8f0 100644
--- a/tests/smoke.rs
+++ b/tests/smoke.rs
@@ -307,7 +307,6 @@ impl HProject {
     }
 
     /// Adds a `Xargo.toml` to the project
-    #[cfg(not(windows))]
     fn xargo_toml(&self, toml: &str) -> Result<()> {
         write(&self.td.path().join("Xargo.toml"), false, toml)
     }