diff --git a/src/arithmetic/fields.rs b/src/arithmetic/fields.rs
index 664aade..2d774f6 100644
--- a/src/arithmetic/fields.rs
+++ b/src/arithmetic/fields.rs
@@ -219,8 +219,8 @@ impl<F: FieldExt> SqrtTables<F> {
 
         // Now invert gtab[3].
         let mut inv: Vec<u8> = vec![1; hash_mod];
-        for j in 0..256 {
-            let hash = hasher.hash(&gtab_3[j]);
+        for (j, gtab_3_j) in gtab_3.iter().enumerate() {
+            let hash = hasher.hash(gtab_3_j);
             // 1 is the last value to be assigned, so this ensures there are no collisions.
             assert!(inv[hash] == 1);
             inv[hash] = ((256 - j) & 0xFF) as u8;
diff --git a/src/lib.rs b/src/lib.rs
index b48409d..6247a17 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,12 +2,7 @@
 
 #![cfg_attr(docsrs, feature(doc_cfg))]
 #![allow(unknown_lints)]
-#![allow(
-    clippy::op_ref,
-    clippy::same_item_push,
-    clippy::upper_case_acronyms,
-    clippy::unknown_clippy_lints
-)]
+#![allow(clippy::op_ref, clippy::same_item_push, clippy::upper_case_acronyms)]
 #![deny(broken_intra_doc_links)]
 #![deny(missing_debug_implementations)]
 #![deny(missing_docs)]