diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs
index 966d4ff43680d..b1162a34cdaf6 100644
--- a/compiler/rustc_middle/src/thir.rs
+++ b/compiler/rustc_middle/src/thir.rs
@@ -1018,11 +1018,7 @@ impl<'tcx> PatRangeBoundary<'tcx> {
             (Finite(mir::Const::Ty(a)), Finite(mir::Const::Ty(b)))
                 if matches!(ty.kind(), ty::Uint(_) | ty::Char) =>
             {
-                if let Some(a) = a.try_to_valtree() {
-                    if let Some(b) = b.try_to_valtree() {
-                        return Some(a.cmp(&b));
-                    }
-                }
+                return Some(a.to_valtree().cmp(&b.to_valtree()));
             }
             (
                 Finite(mir::Const::Val(mir::ConstValue::Scalar(Scalar::Int(a)), _)),