1 files changed, 0 insertions, 49 deletions

diff --git a/crates/ide/src/diagnostics/unresolved_extern_crate.rs b/crates/ide/src/diagnostics/unresolved_extern_crate.rs
deleted file mode 100644
index 2ea79c2ee..000000000
--- a/crates/ide/src/diagnostics/unresolved_extern_crate.rs
+++ /dev/null
@@ -1,49 +0,0 @@
-use crate::diagnostics::{Diagnostic, DiagnosticsContext};
-
-// Diagnostic: unresolved-extern-crate
-//
-// This diagnostic is triggered if rust-analyzer is unable to discover referred extern crate.
-pub(super) fn unresolved_extern_crate(
-    ctx: &DiagnosticsContext<'_>,
-    d: &hir::UnresolvedExternCrate,
-) -> Diagnostic {
-    Diagnostic::new(
-        "unresolved-extern-crate",
-        "unresolved extern crate",
-        ctx.sema.diagnostics_display_range(d.decl.clone().map(|it| it.into())).range,
-    )
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::diagnostics::tests::check_diagnostics;
-
-    #[test]
-    fn unresolved_extern_crate() {
-        check_diagnostics(
-            r#"
-//- /main.rs crate:main deps:core
-extern crate core;
-  extern crate doesnotexist;
-//^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
-//- /lib.rs crate:core
-"#,
-        );
-    }
-
-    #[test]
-    fn extern_crate_self_as() {
-        cov_mark::check!(extern_crate_self_as);
-        check_diagnostics(
-            r#"
-//- /lib.rs
-  extern crate doesnotexist;
-//^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
-// Should not error.
-extern crate self as foo;
-struct Foo;
-use foo::Foo as Bar;
-"#,
-        );
-    }
-}