diff --git a/Cargo.toml b/Cargo.toml
index 7580d140b5..123594afe5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,3 +40,7 @@ libc = "0.2"
 compiletest_rs = { version = "0.5", features = ["tmp"] }
 rustc_version = "0.2.3"
 colored = "2"
+
+[package.metadata.rust-analyzer]
+# This crate uses #[feature(rustc_private)]
+rustc_private = true