diff --git a/bellman/src/gadgets/boolean.rs b/bellman/src/gadgets/boolean.rs
index 57718b1..a228d39 100644
--- a/bellman/src/gadgets/boolean.rs
+++ b/bellman/src/gadgets/boolean.rs
@@ -1781,12 +1781,8 @@ mod test {
 
             let value = Some(true);
             let b = AllocatedBit::alloc(&mut cs, Some(true)).unwrap();
-            let allocated_value = AllocatedBit::alloc_conditionally(
-                cs.namespace(|| "alloc_conditionally"),
-                value,
-                &b,
-            )
-            .unwrap();
+            AllocatedBit::alloc_conditionally(cs.namespace(|| "alloc_conditionally"), value, &b)
+                .unwrap();
 
             assert!(!cs.is_satisfied());
         }
@@ -1798,22 +1794,14 @@ mod test {
             //check with false bit
             let mut cs = TestConstraintSystem::<Bls12>::new();
             let b1 = AllocatedBit::alloc(&mut cs, Some(false)).unwrap();
-            let allocated_value = AllocatedBit::alloc_conditionally(
-                cs.namespace(|| "alloc_conditionally"),
-                value,
-                &b1,
-            )
-            .unwrap();
+            AllocatedBit::alloc_conditionally(cs.namespace(|| "alloc_conditionally"), value, &b1)
+                .unwrap();
 
             //check with true bit
             let mut cs = TestConstraintSystem::<Bls12>::new();
             let b2 = AllocatedBit::alloc(&mut cs, Some(true)).unwrap();
-            let allocated_value = AllocatedBit::alloc_conditionally(
-                cs.namespace(|| "alloc_conditionally"),
-                value,
-                &b2,
-            )
-            .unwrap();
+            AllocatedBit::alloc_conditionally(cs.namespace(|| "alloc_conditionally"), value, &b2)
+                .unwrap();
 
             assert!(cs.is_satisfied());
         }
diff --git a/zcash_proofs/src/circuit/pedersen_hash.rs b/zcash_proofs/src/circuit/pedersen_hash.rs
index 5356331..5ac13e8 100644
--- a/zcash_proofs/src/circuit/pedersen_hash.rs
+++ b/zcash_proofs/src/circuit/pedersen_hash.rs
@@ -274,7 +274,7 @@ mod test {
             "2112827187110048608327330788910224944044097981650120385961435904443901436107",
         ];
         for length in 300..302 {
-            let mut input: Vec<bool> = (0..length).map(|_| rng.next_u32() % 2 != 0).collect();
+            let input: Vec<bool> = (0..length).map(|_| rng.next_u32() % 2 != 0).collect();
 
             let mut cs = TestConstraintSystem::<Bls12>::new();