diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
index 60783db99b9b..0c93f8a7f2cc 100644
--- a/src/librustc/ty/mod.rs
+++ b/src/librustc/ty/mod.rs
@@ -504,8 +504,6 @@ bitflags! {
                                   TypeFlags::KEEP_IN_LOCAL_TCX.bits,
 
         // Caches for type_is_sized, type_moves_by_default
-        const FREEZENESS_CACHED = 1 << 20,
-        const IS_FREEZE         = 1 << 21,
         const NEEDS_DROP_CACHED = 1 << 22,
         const NEEDS_DROP        = 1 << 23,
     }