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-rw-r--r--compiler/rustc_middle/src/ty/subst.rs4
1 files changed, 0 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs
index 0767224ad92..ffa495ce480 100644
--- a/compiler/rustc_middle/src/ty/subst.rs
+++ b/compiler/rustc_middle/src/ty/subst.rs
@@ -513,10 +513,6 @@ impl<'a, 'tcx> TypeFolder<'tcx> for SubstFolder<'a, 'tcx> {
         &mut self,
         c: &'tcx ty::Const<'tcx>,
     ) -> Result<&'tcx ty::Const<'tcx>, Self::Error> {
-        if !c.potentially_needs_subst() {
-            return Ok(c);
-        }
-
         if let ty::ConstKind::Param(p) = c.val {
             Ok(self.const_for_param(p, c))
         } else {