1 files changed, 1 insertions, 3 deletions
diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs
index b4f4f9bef8e..7c05deae90a 100644
--- a/compiler/rustc_middle/src/ty/codec.rs
+++ b/compiler/rustc_middle/src/ty/codec.rs
@@ -168,7 +168,6 @@ impl<'tcx, E: TyEncoder<I = TyCtxt<'tcx>>> Encodable<E> for ty::ParamEnv<'tcx> {
     fn encode(&self, e: &mut E) {
         self.caller_bounds().encode(e);
         self.reveal().encode(e);
-        self.constness().encode(e);
     }
 }
 
@@ -306,8 +305,7 @@ impl<'tcx, D: TyDecoder<I = TyCtxt<'tcx>>> Decodable<D> for ty::ParamEnv<'tcx> {
     fn decode(d: &mut D) -> Self {
         let caller_bounds = Decodable::decode(d);
         let reveal = Decodable::decode(d);
-        let constness = Decodable::decode(d);
-        ty::ParamEnv::new(caller_bounds, reveal, constness)
+        ty::ParamEnv::new(caller_bounds, reveal)
     }
 }