diff --git a/ipa-core/src/ff/boolean_array.rs b/ipa-core/src/ff/boolean_array.rs
index 11f585c58..b6fa73a94 100644
--- a/ipa-core/src/ff/boolean_array.rs
+++ b/ipa-core/src/ff/boolean_array.rs
@@ -140,7 +140,7 @@ macro_rules! boolean_array_impl_small {
                 v.0.iter()
                     .by_refs()
                     .enumerate()
-                    .fold(0_u128, |acc, (i, b)| acc + ((*b as u128) << i))
+                    .fold(0_u128, |acc, (i, b)| acc + (u128::from(*b) << i))
             }
         }
 
diff --git a/ipa-core/src/ff/galois_field.rs b/ipa-core/src/ff/galois_field.rs
index 884a7de7c..531785201 100644
--- a/ipa-core/src/ff/galois_field.rs
+++ b/ipa-core/src/ff/galois_field.rs
@@ -395,7 +395,7 @@ macro_rules! bit_array_impl {
                         .iter()
                         .by_refs()
                         .enumerate()
-                        .fold(0_u128, |acc, (i, b)| acc + ((*b as u128) << i))
+                        .fold(0_u128, |acc, (i, b)| acc + (u128::from(*b) << i))
                 }
             }
 
diff --git a/ipa-core/src/ff/prime_field.rs b/ipa-core/src/ff/prime_field.rs
index 2ae8e3193..1d8113ea2 100644
--- a/ipa-core/src/ff/prime_field.rs
+++ b/ipa-core/src/ff/prime_field.rs
@@ -123,6 +123,7 @@ macro_rules! field_impl {
             fn add(self, rhs: Self) -> Self::Output {
                 let c = u64::from;
                 debug_assert!(c(Self::PRIME) < (u64::MAX >> 1));
+                #[allow(clippy::cast_possible_truncation)]
                 Self(((c(self.0) + c(rhs.0)) % c(Self::PRIME)) as <Self as SharedValue>::Storage)
             }
         }
@@ -149,6 +150,7 @@ macro_rules! field_impl {
                 let c = u64::from;
                 debug_assert!(c(Self::PRIME) < (u64::MAX >> 1));
                 // TODO(mt) - constant time?
+                #[allow(clippy::cast_possible_truncation)]
                 Self(
                     ((c(Self::PRIME) + c(self.0) - c(rhs.0)) % c(Self::PRIME))
                         as <Self as SharedValue>::Storage,
diff --git a/ipa-core/src/helpers/gateway/mod.rs b/ipa-core/src/helpers/gateway/mod.rs
index 7f4b45fca..0178d2557 100644
--- a/ipa-core/src/helpers/gateway/mod.rs
+++ b/ipa-core/src/helpers/gateway/mod.rs
@@ -39,7 +39,6 @@ pub type MpcTransportImpl = TransportImpl<crate::helpers::HelperIdentity>;
 #[cfg(feature = "in-memory-infra")]
 pub type ShardTransportImpl = TransportImpl<ShardIndex>;
 
-#[cfg(feature = "real-world-infra")]
 #[cfg(feature = "real-world-infra")]
 pub type MpcTransportImpl = crate::sync::Arc<crate::net::HttpTransport>;
 #[cfg(feature = "real-world-infra")]