remove superfluous trait derives
@@ -4,7 +4,7 @@ use codemap::Spanned;
use crate::error::SassError;
-#[derive(Clone, Debug, Eq, PartialEq)]
+#[derive(Debug)]
pub enum AtRuleKind {
// Sass specific @rules
/// Loads mixins, functions, and variables from other Sass
