diff --git a/crates/proof-of-sql/src/base/database/owned_column.rs b/crates/proof-of-sql/src/base/database/owned_column.rs
index 79ba92702..91f7d3862 100644
--- a/crates/proof-of-sql/src/base/database/owned_column.rs
+++ b/crates/proof-of-sql/src/base/database/owned_column.rs
@@ -313,7 +313,7 @@ impl<'a, S: Scalar> From<&Column<'a, S>> for OwnedColumn<S> {
             Column::Int(col) => OwnedColumn::Int(col.to_vec()),
             Column::BigInt(col) => OwnedColumn::BigInt(col.to_vec()),
             Column::VarChar((col, _)) => {
-                OwnedColumn::VarChar(col.iter().map(std::string::ToString::to_string).collect())
+                OwnedColumn::VarChar(col.iter().map(ToString::to_string).collect())
             }
             Column::Int128(col) => OwnedColumn::Int128(col.to_vec()),
             Column::Decimal75(precision, scale, col) => {
diff --git a/crates/proof-of-sql/src/base/polynomial/multilinear_extension.rs b/crates/proof-of-sql/src/base/polynomial/multilinear_extension.rs
index c28b4b300..1668bac98 100644
--- a/crates/proof-of-sql/src/base/polynomial/multilinear_extension.rs
+++ b/crates/proof-of-sql/src/base/polynomial/multilinear_extension.rs
@@ -47,7 +47,7 @@ where
         let n = 1 << num_vars;
         assert!(n >= values.len());
         let scalars = if_rayon!(values.par_iter(), values.iter())
-            .map(std::convert::Into::into)
+            .map(Into::into)
             .chain(if_rayon!(
                 rayon::iter::repeatn(Zero::zero(), n - values.len()),
                 itertools::repeat_n(Zero::zero(), n - values.len())