diff --git a/crates/polars-arrow/src/io/ipc/read/schema.rs b/crates/polars-arrow/src/io/ipc/read/schema.rs
index 3ed84d3005bd..c130a957b7ff 100644
--- a/crates/polars-arrow/src/io/ipc/read/schema.rs
+++ b/crates/polars-arrow/src/io/ipc/read/schema.rs
@@ -363,7 +363,7 @@ pub fn deserialize_schema(
     message: &[u8],
 ) -> PolarsResult<(ArrowSchema, IpcSchema, Option<Metadata>)> {
     let message = arrow_format::ipc::MessageRef::read_as_root(message)
-        .map_err(|_err| polars_err!(oos = "Unable deserialize message: {err:?}"))?;
+        .map_err(|err| polars_err!(oos = format!("Unable deserialize message: {err:?}")))?;
 
     let schema = match message
         .header()?
@@ -430,7 +430,7 @@ pub(super) fn fb_to_schema(
 
 pub(super) fn deserialize_stream_metadata(meta: &[u8]) -> PolarsResult<StreamMetadata> {
     let message = arrow_format::ipc::MessageRef::read_as_root(meta)
-        .map_err(|_err| polars_err!(oos = "Unable to get root as message: {err:?}"))?;
+        .map_err(|err| polars_err!(oos = format!("Unable to get root as message: {err:?}")))?;
     let version = message.version()?;
     // message header is a Schema, so read it
     let header = message
diff --git a/crates/polars-core/src/chunked_array/logical/categorical/revmap.rs b/crates/polars-core/src/chunked_array/logical/categorical/revmap.rs
index 2e3d6f2115db..5446a6ab5129 100644
--- a/crates/polars-core/src/chunked_array/logical/categorical/revmap.rs
+++ b/crates/polars-core/src/chunked_array/logical/categorical/revmap.rs
@@ -68,7 +68,7 @@ impl RevMapping {
             val.hash(&mut hb);
         });
         let hash = hb.finish();
-        (hash as u128) << 64 | (categories.total_buffer_len() as u128)
+        ((hash as u128) << 64) | (categories.total_buffer_len() as u128)
     }
 
     pub fn build_local(categories: Utf8ViewArray) -> Self {
diff --git a/crates/polars-expr/src/expressions/apply.rs b/crates/polars-expr/src/expressions/apply.rs
index 7fc0739f131e..c3242547dfca 100644
--- a/crates/polars-expr/src/expressions/apply.rs
+++ b/crates/polars-expr/src/expressions/apply.rs
@@ -326,15 +326,10 @@ impl PhysicalExpr for ApplyExpr {
                 self.inputs
                     .par_iter()
                     .map(f)
-                    .map(|v| v.map(Column::from))
                     .collect::<PolarsResult<Vec<_>>>()
             })
         } else {
-            self.inputs
-                .iter()
-                .map(f)
-                .map(|v| v.map(Column::from))
-                .collect::<PolarsResult<Vec<_>>>()
+            self.inputs.iter().map(f).collect::<PolarsResult<Vec<_>>>()
         }?;
 
         if self.allow_rename {
@@ -550,7 +545,6 @@ fn apply_multiple_elementwise<'a>(
 
                     ac.flat_naive().into_owned()
                 })
-                .map(Column::from)
                 .collect::<Vec<_>>();
 
             let input_len = c[0].len();
diff --git a/crates/polars-expr/src/expressions/column.rs b/crates/polars-expr/src/expressions/column.rs
index 4c730663b339..0cdb3e54bbfd 100644
--- a/crates/polars-expr/src/expressions/column.rs
+++ b/crates/polars-expr/src/expressions/column.rs
@@ -156,12 +156,12 @@ impl PhysicalExpr for ColumnExpr {
             // in debug builds we panic so that it can be fixed when occurring
             None => {
                 if self.name.starts_with(CSE_REPLACED) {
-                    return self.process_cse(df, &self.schema).map(Column::from);
+                    return self.process_cse(df, &self.schema);
                 }
                 self.process_by_linear_search(df, state, true)
             },
         };
-        self.check_external_context(out, state).map(Column::from)
+        self.check_external_context(out, state)
     }
 
     #[allow(clippy::ptr_arg)]
diff --git a/crates/polars-expr/src/expressions/window.rs b/crates/polars-expr/src/expressions/window.rs
index b799d55467e5..dd92e8318a61 100644
--- a/crates/polars-expr/src/expressions/window.rs
+++ b/crates/polars-expr/src/expressions/window.rs
@@ -406,7 +406,7 @@ impl PhysicalExpr for WindowExpr {
         let group_by_columns = self
             .group_by
             .iter()
-            .map(|e| e.evaluate(df, state).map(Column::from))
+            .map(|e| e.evaluate(df, state))
             .collect::<PolarsResult<Vec<_>>>()?;
 
         // if the keys are sorted
@@ -551,7 +551,6 @@ impl PhysicalExpr for WindowExpr {
                     state,
                     &cache_key,
                 )
-                .map(Column::from)
             },
             Join => {
                 let out_column = ac.aggregated();
diff --git a/crates/polars-io/src/partition.rs b/crates/polars-io/src/partition.rs
index ce64a4cb45e7..2e3499fe57aa 100644
--- a/crates/polars-io/src/partition.rs
+++ b/crates/polars-io/src/partition.rs
@@ -39,10 +39,7 @@ fn write_partitioned_dataset_impl<W>(
 where
     W: WriteDataFrameToFile + Send + Sync,
 {
-    let partition_by = partition_by
-        .into_iter()
-        .map(Into::into)
-        .collect::<Vec<PlSmallStr>>();
+    let partition_by = partition_by.into_iter().collect::<Vec<PlSmallStr>>();
     // Ensure we have a single chunk as the gather will otherwise rechunk per group.
     df.as_single_chunk_par();
 
diff --git a/crates/polars-mem-engine/src/executors/group_by.rs b/crates/polars-mem-engine/src/executors/group_by.rs
index f7a501424ed9..09dcae659fee 100644
--- a/crates/polars-mem-engine/src/executors/group_by.rs
+++ b/crates/polars-mem-engine/src/executors/group_by.rs
@@ -89,7 +89,7 @@ pub(super) fn group_by_helper(
         rayon::join(get_columns, get_agg)
     });
 
-    columns.extend(agg_columns?.into_iter().map(Column::from));
+    columns.extend(agg_columns?);
     DataFrame::new(columns)
 }
 
@@ -98,7 +98,7 @@ impl GroupByExec {
         let keys = self
             .keys
             .iter()
-            .map(|e| e.evaluate(&df, state).map(Column::from))
+            .map(|e| e.evaluate(&df, state))
             .collect::<PolarsResult<_>>()?;
         group_by_helper(
             df,
diff --git a/crates/polars-mem-engine/src/executors/group_by_dynamic.rs b/crates/polars-mem-engine/src/executors/group_by_dynamic.rs
index b5f98666d281..2a3fe16c08cd 100644
--- a/crates/polars-mem-engine/src/executors/group_by_dynamic.rs
+++ b/crates/polars-mem-engine/src/executors/group_by_dynamic.rs
@@ -25,7 +25,7 @@ impl GroupByDynamicExec {
         let keys = self
             .keys
             .iter()
-            .map(|e| e.evaluate(&df, state).map(Column::from))
+            .map(|e| e.evaluate(&df, state))
             .collect::<PolarsResult<Vec<_>>>()?;
 
         let (mut time_key, mut keys, groups) = df.group_by_dynamic(keys, &self.options)?;
@@ -63,7 +63,7 @@ impl GroupByDynamicExec {
         let mut columns = Vec::with_capacity(agg_columns.len() + 1 + keys.len());
         columns.extend_from_slice(&keys);
         columns.push(time_key);
-        columns.extend(agg_columns.into_iter().map(Column::from));
+        columns.extend(agg_columns);
 
         DataFrame::new(columns)
     }
diff --git a/crates/polars-mem-engine/src/executors/group_by_partitioned.rs b/crates/polars-mem-engine/src/executors/group_by_partitioned.rs
index 61cb9b10bc52..ad5d647fdb33 100644
--- a/crates/polars-mem-engine/src/executors/group_by_partitioned.rs
+++ b/crates/polars-mem-engine/src/executors/group_by_partitioned.rs
@@ -58,9 +58,7 @@ fn compute_keys(
     df: &DataFrame,
     state: &ExecutionState,
 ) -> PolarsResult<Vec<Column>> {
-    keys.iter()
-        .map(|s| s.evaluate(df, state).map(Column::from))
-        .collect()
+    keys.iter().map(|s| s.evaluate(df, state)).collect()
 }
 
 fn run_partitions(
@@ -154,7 +152,6 @@ fn estimate_unique_count(keys: &[Column], mut sample_size: usize) -> PolarsResul
         let keys = keys
             .iter()
             .map(|s| s.slice(offset, sample_size))
-            .map(Column::from)
             .collect::<Vec<_>>();
         let df = unsafe { DataFrame::new_no_checks_height_from_first(keys) };
         let names = df.get_column_names().into_iter().cloned();
@@ -331,9 +328,7 @@ impl PartitionGroupByExec {
                 .zip(&df.get_columns()[self.phys_keys.len()..])
                 .map(|(expr, partitioned_s)| {
                     let agg_expr = expr.as_partitioned_aggregator().unwrap();
-                    agg_expr
-                        .finalize(partitioned_s.clone(), groups, state)
-                        .map(Column::from)
+                    agg_expr.finalize(partitioned_s.clone(), groups, state)
                 })
                 .collect();
 
diff --git a/crates/polars-mem-engine/src/executors/group_by_rolling.rs b/crates/polars-mem-engine/src/executors/group_by_rolling.rs
index 8ad2352572a0..5d9068f13de7 100644
--- a/crates/polars-mem-engine/src/executors/group_by_rolling.rs
+++ b/crates/polars-mem-engine/src/executors/group_by_rolling.rs
@@ -48,7 +48,7 @@ impl GroupByRollingExec {
         let keys = self
             .keys
             .iter()
-            .map(|e| e.evaluate(&df, state).map(Column::from))
+            .map(|e| e.evaluate(&df, state))
             .collect::<PolarsResult<Vec<_>>>()?;
 
         let (mut time_key, mut keys, groups) = df.rolling(keys, &self.options)?;
@@ -85,7 +85,7 @@ impl GroupByRollingExec {
         let mut columns = Vec::with_capacity(agg_columns.len() + 1 + keys.len());
         columns.extend_from_slice(&keys);
         columns.push(time_key);
-        columns.extend(agg_columns.into_iter().map(Column::from));
+        columns.extend(agg_columns);
 
         DataFrame::new(columns)
     }
diff --git a/crates/polars-mem-engine/src/executors/projection_utils.rs b/crates/polars-mem-engine/src/executors/projection_utils.rs
index 01dc5f362fd9..17892fb17791 100644
--- a/crates/polars-mem-engine/src/executors/projection_utils.rs
+++ b/crates/polars-mem-engine/src/executors/projection_utils.rs
@@ -340,10 +340,7 @@ pub(super) fn check_expand_literals(
     }
 
     // @scalar-opt
-    let selected_columns = selected_columns
-        .into_iter()
-        .map(Column::from)
-        .collect::<Vec<_>>();
+    let selected_columns = selected_columns.into_iter().collect::<Vec<_>>();
 
     let df = unsafe { DataFrame::new_no_checks_height_from_first(selected_columns) };
 
diff --git a/crates/polars-mem-engine/src/executors/stack.rs b/crates/polars-mem-engine/src/executors/stack.rs
index e48d7438e23c..62e1ffb7fdfe 100644
--- a/crates/polars-mem-engine/src/executors/stack.rs
+++ b/crates/polars-mem-engine/src/executors/stack.rs
@@ -65,7 +65,7 @@ impl StackExec {
                 // new, unique column names. It is immediately
                 // followed by a projection which pulls out the
                 // possibly mismatching column lengths.
-                unsafe { df.column_extend_unchecked(res.into_iter().map(Column::from)) };
+                unsafe { df.column_extend_unchecked(res) };
             } else {
                 let (df_height, df_width) = df.shape();
 
diff --git a/crates/polars-ops/src/series/ops/duration.rs b/crates/polars-ops/src/series/ops/duration.rs
index 2c8f0ae022e5..85adfe6e7117 100644
--- a/crates/polars-ops/src/series/ops/duration.rs
+++ b/crates/polars-ops/src/series/ops/duration.rs
@@ -87,7 +87,5 @@ pub fn impl_duration(s: &[Column], time_unit: TimeUnit) -> PolarsResult<Column>
         duration = (duration + weeks * multiplier * SECONDS_IN_DAY * 7)?;
     }
 
-    duration
-        .cast(&DataType::Duration(time_unit))
-        .map(Column::from)
+    duration.cast(&DataType::Duration(time_unit))
 }
diff --git a/crates/polars-parquet/src/parquet/encoding/hybrid_rle/encoder.rs b/crates/polars-parquet/src/parquet/encoding/hybrid_rle/encoder.rs
index 7e1858e44979..7a15d1fac520 100644
--- a/crates/polars-parquet/src/parquet/encoding/hybrid_rle/encoder.rs
+++ b/crates/polars-parquet/src/parquet/encoding/hybrid_rle/encoder.rs
@@ -244,7 +244,7 @@ mod tests {
 
         encode::<bool, _, _>(&mut vec, iter, 1)?;
 
-        assert_eq!(vec, vec![(2 << 1 | 1), 0b10011101u8, 0b00011101]);
+        assert_eq!(vec, vec![((2 << 1) | 1), 0b10011101u8, 0b00011101]);
 
         Ok(())
     }
@@ -259,7 +259,7 @@ mod tests {
             1,
         )?;
 
-        assert_eq!(vec, vec![(1 << 1 | 1), 0b11111111]);
+        assert_eq!(vec, vec![((1 << 1) | 1), 0b11111111]);
         Ok(())
     }
 
@@ -272,7 +272,7 @@ mod tests {
         assert_eq!(
             vec,
             vec![
-                (2 << 1 | 1),
+                ((2 << 1) | 1),
                 0b01_10_01_00,
                 0b00_01_01_10,
                 0b_00_00_00_11,
@@ -294,7 +294,7 @@ mod tests {
         let expected = 0b11_10_01_00u8;
 
         let mut expected = vec![expected; length / 4];
-        expected.insert(0, ((length / 8) as u8) << 1 | 1);
+        expected.insert(0, (((length / 8) as u8) << 1) | 1);
 
         assert_eq!(vec, expected);
         Ok(())
diff --git a/crates/polars-plan/src/dsl/function_expr/datetime.rs b/crates/polars-plan/src/dsl/function_expr/datetime.rs
index 30db9d0ffa04..4bdfd28ed7ee 100644
--- a/crates/polars-plan/src/dsl/function_expr/datetime.rs
+++ b/crates/polars-plan/src/dsl/function_expr/datetime.rs
@@ -269,7 +269,6 @@ pub(super) fn time(s: &Column) -> PolarsResult<Column> {
         DataType::Time => Ok(s.clone()),
         dtype => polars_bail!(ComputeError: "expected Datetime or Time, got {}", dtype),
     }
-    .map(Column::from)
 }
 pub(super) fn date(s: &Column) -> PolarsResult<Column> {
     match s.dtype() {
diff --git a/crates/polars-plan/src/dsl/function_expr/range/datetime_range.rs b/crates/polars-plan/src/dsl/function_expr/range/datetime_range.rs
index e220a7107435..2b0fdc1e9cc8 100644
--- a/crates/polars-plan/src/dsl/function_expr/range/datetime_range.rs
+++ b/crates/polars-plan/src/dsl/function_expr/range/datetime_range.rs
@@ -220,7 +220,7 @@ pub(super) fn datetime_ranges(
     };
 
     let to_type = DataType::List(Box::new(dtype));
-    out.cast(&to_type).map(Column::from)
+    out.cast(&to_type)
 }
 
 impl FieldsMapper<'_> {
diff --git a/crates/polars-plan/src/dsl/function_expr/range/time_range.rs b/crates/polars-plan/src/dsl/function_expr/range/time_range.rs
index e339105bee3f..dd55e4868ab2 100644
--- a/crates/polars-plan/src/dsl/function_expr/range/time_range.rs
+++ b/crates/polars-plan/src/dsl/function_expr/range/time_range.rs
@@ -62,5 +62,5 @@ pub(super) fn time_ranges(
     let out = temporal_ranges_impl_broadcast(start, end, range_impl, &mut builder)?;
 
     let to_type = DataType::List(Box::new(DataType::Time));
-    out.cast(&to_type).map(Column::from)
+    out.cast(&to_type)
 }
diff --git a/crates/polars-plan/src/dsl/mod.rs b/crates/polars-plan/src/dsl/mod.rs
index ef27dc3966b9..f831cac12c6f 100644
--- a/crates/polars-plan/src/dsl/mod.rs
+++ b/crates/polars-plan/src/dsl/mod.rs
@@ -1516,7 +1516,7 @@ impl Expr {
                         .map(|ca| ca.into_column()),
                 }?;
                 if let DataType::Float32 = c.dtype() {
-                    out.cast(&DataType::Float32).map(Column::from).map(Some)
+                    out.cast(&DataType::Float32).map(Some)
                 } else {
                     Ok(Some(out))
                 }
diff --git a/crates/polars-python/src/lib.rs b/crates/polars-python/src/lib.rs
index dee0efe4a710..640e9d5d7785 100644
--- a/crates/polars-python/src/lib.rs
+++ b/crates/polars-python/src/lib.rs
@@ -3,6 +3,7 @@
 #![allow(non_local_definitions)]
 #![allow(clippy::too_many_arguments)] // Python functions can have many arguments due to default arguments
 #![allow(clippy::disallowed_types)]
+#![allow(clippy::useless_conversion)] // Needed for now due to https://github.com/PyO3/pyo3/issues/4828.
 
 #[cfg(feature = "csv")]
 pub mod batched_csv;
diff --git a/crates/polars-python/src/map/dataframe.rs b/crates/polars-python/src/map/dataframe.rs
index 203b54bbd39b..068dbfd3c996 100644
--- a/crates/polars-python/src/map/dataframe.rs
+++ b/crates/polars-python/src/map/dataframe.rs
@@ -267,9 +267,9 @@ pub fn apply_lambda_with_list_out_type<'a>(
                     if val.is_none() {
                         Ok(None)
                     } else {
-                        Err(PyValueError::new_err(
-                            "should return a Series, got a {val:?}",
-                        ))
+                        Err(PyValueError::new_err(format!(
+                            "should return a Series, got a {val:?}"
+                        )))
                     }
                 },
             }
diff --git a/crates/polars-stream/src/physical_plan/lower_expr.rs b/crates/polars-stream/src/physical_plan/lower_expr.rs
index 1df9b0e35d51..3d9f87b14487 100644
--- a/crates/polars-stream/src/physical_plan/lower_expr.rs
+++ b/crates/polars-stream/src/physical_plan/lower_expr.rs
@@ -2,7 +2,7 @@ use std::sync::atomic::{AtomicU64, Ordering};
 use std::sync::Arc;
 
 use polars_core::frame::DataFrame;
-use polars_core::prelude::{Column, Field, InitHashMaps, PlHashMap, PlHashSet};
+use polars_core::prelude::{Field, InitHashMaps, PlHashMap, PlHashSet};
 use polars_core::schema::{Schema, SchemaExt};
 use polars_error::PolarsResult;
 use polars_expr::planner::get_expr_depth_limit;
@@ -283,7 +283,7 @@ fn build_fallback_node_with_ctx(
         let exec_state = ExecutionState::new();
         let columns = phys_exprs
             .iter()
-            .map(|phys_expr| phys_expr.evaluate(&df, &exec_state).map(Column::from))
+            .map(|phys_expr| phys_expr.evaluate(&df, &exec_state))
             .try_collect()?;
         DataFrame::new_with_broadcast(columns)
     };
diff --git a/crates/polars-utils/src/index.rs b/crates/polars-utils/src/index.rs
index 80ac6d8ebdb2..558402bb47ed 100644
--- a/crates/polars-utils/src/index.rs
+++ b/crates/polars-utils/src/index.rs
@@ -218,7 +218,7 @@ impl<const CHUNK_BITS: u64> ChunkId<CHUNK_BITS> {
     #[allow(clippy::unnecessary_cast)]
     pub fn store(chunk: IdxSize, row: IdxSize) -> Self {
         debug_assert!(chunk < !(u64::MAX << CHUNK_BITS) as IdxSize);
-        let swizzled = (row as u64) << CHUNK_BITS | chunk as u64;
+        let swizzled = ((row as u64) << CHUNK_BITS) | chunk as u64;
 
         Self { swizzled }
     }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 5511df850a96..25282aed0fb5 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly-2024-12-19"
+channel = "nightly-2025-01-05"