1 files changed, 0 insertions, 34 deletions
diff --git a/vendor/chalk-engine/src/derived.rs b/vendor/chalk-engine/src/derived.rs
deleted file mode 100644
index b3cdc3d0d..000000000
--- a/vendor/chalk-engine/src/derived.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// These impls for PartialEq, Eq, etc are written by hand. This is
-// because the `#[derive()]` would add requirements onto the context
-// object that are not needed.
-
-use super::*;
-use std::cmp::{Eq, PartialEq};
-use std::hash::{Hash, Hasher};
-use std::mem;
-
-///////////////////////////////////////////////////////////////////////////
-
-impl<I: Interner> PartialEq for Literal<I> {
-    fn eq(&self, other: &Literal<I>) -> bool {
-        match (self, other) {
-            (Literal::Positive(goal1), Literal::Positive(goal2))
-            | (Literal::Negative(goal1), Literal::Negative(goal2)) => goal1 == goal2,
-
-            _ => false,
-        }
-    }
-}
-
-impl<I: Interner> Eq for Literal<I> {}
-
-impl<I: Interner> Hash for Literal<I> {
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        mem::discriminant(self).hash(state);
-        match self {
-            Literal::Positive(goal) | Literal::Negative(goal) => {
-                goal.hash(state);
-            }
-        }
-    }
-}