diff --git a/tests/rustls_version.rs b/tests/rustls_version.rs
index bf2a5358..7a43f48d 100644
--- a/tests/rustls_version.rs
+++ b/tests/rustls_version.rs
@@ -1,3 +1,4 @@
+#![cfg(not(feature = "capi"))]
 use std::fs::File;
 use std::io::Read;
 use std::path::PathBuf;