1 files changed, 0 insertions, 12 deletions

diff --git a/crates/ra_hir/src/util.rs b/crates/ra_hir/src/util.rs
deleted file mode 100644
index 0095ee45d..000000000
--- a/crates/ra_hir/src/util.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-//! Internal utility functions.
-
-use std::sync::Arc;
-
-/// Helper for mutating `Arc<[T]>` (i.e. `Arc::make_mut` for Arc slices).
-/// The underlying values are cloned if there are other strong references.
-pub(crate) fn make_mut_slice<T: Clone>(a: &mut Arc<[T]>) -> &mut [T] {
-    if Arc::get_mut(a).is_none() {
-        *a = a.iter().cloned().collect();
-    }
-    Arc::get_mut(a).unwrap()
-}