diff --git a/crates/ra_syntax/src/algo/mod.rs b/crates/ra_syntax/src/algo/mod.rs
index 87f1250bcf1..d82c42b3e46 100644
--- a/crates/ra_syntax/src/algo/mod.rs
+++ b/crates/ra_syntax/src/algo/mod.rs
@@ -46,7 +46,7 @@ pub fn find_leaf_at_offset(node: SyntaxNodeRef, offset: TextUnit) -> LeafAtOffse
     }
 }
 
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Debug)]
 pub enum LeafAtOffset<'a> {
     None,
     Single(SyntaxNodeRef<'a>),