diff --git a/src/der.rs b/src/der.rs
index 43d0847..9ef4efb 100644
--- a/src/der.rs
+++ b/src/der.rs
@@ -14,7 +14,7 @@
 
 use crate::{calendar, time, Error};
 pub use ring::io::{
-    der::{nested, Tag, CONSTRUCTED},
+    der::{nested, Tag},
     Positive,
 };
 
diff --git a/src/verify_cert.rs b/src/verify_cert.rs
index fe7ef9d..b166ecc 100644
--- a/src/verify_cert.rs
+++ b/src/verify_cert.rs
@@ -80,6 +80,7 @@ fn build_chain_inner(
 
     // TODO: revocation.
 
+    #[allow(clippy::blocks_in_conditions)]
     match loop_while_non_fatal_error(trust_anchors, |trust_anchor: &TrustAnchor| {
         let trust_anchor_subject = untrusted::Input::from(trust_anchor.subject);
         if !equal(cert.issuer, trust_anchor_subject) {