diff --git a/datafusion/physical-plan/src/spill/mod.rs b/datafusion/physical-plan/src/spill/mod.rs
index 3c95a1da5b33c..00c9ac0631ab7 100644
--- a/datafusion/physical-plan/src/spill/mod.rs
+++ b/datafusion/physical-plan/src/spill/mod.rs
@@ -30,7 +30,7 @@ pub use spill_manager::SpillManager;
 
 use std::fs::File;
 use std::io::BufReader;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use std::pin::Pin;
 use std::sync::Arc;
 use std::task::{Context, Poll};
@@ -245,35 +245,6 @@ impl RecordBatchStream for SpillReaderStream {
     }
 }
 
-/// Spill the `RecordBatch` to disk as smaller batches
-/// split by `batch_size_rows`
-#[deprecated(
-    since = "46.0.0",
-    note = "This method is deprecated. Use `SpillManager::spill_record_batch_by_size` instead."
-)]
-#[expect(clippy::needless_pass_by_value)]
-pub fn spill_record_batch_by_size(
-    batch: &RecordBatch,
-    path: PathBuf,
-    schema: SchemaRef,
-    batch_size_rows: usize,
-) -> Result<()> {
-    let mut offset = 0;
-    let total_rows = batch.num_rows();
-    let mut writer =
-        IPCStreamWriter::new(&path, schema.as_ref(), SpillCompression::Uncompressed)?;
-
-    while offset < total_rows {
-        let length = std::cmp::min(total_rows - offset, batch_size_rows);
-        let batch = batch.slice(offset, length);
-        offset += batch.num_rows();
-        writer.write(&batch)?;
-    }
-    writer.finish()?;
-
-    Ok(())
-}
-
 /// Write in Arrow IPC Stream format to a file.
 ///
 /// Stream format is used for spill because it supports dictionary replacement, and the random
diff --git a/docs/source/library-user-guide/upgrading/55.0.0.md b/docs/source/library-user-guide/upgrading/55.0.0.md
index 6d1f834abfac0..d0778a3619c4e 100644
--- a/docs/source/library-user-guide/upgrading/55.0.0.md
+++ b/docs/source/library-user-guide/upgrading/55.0.0.md
@@ -30,6 +30,14 @@ to the main branch and are awaiting release in this version.
 `datafusion_common::config::Dialect::AVAILABLE` has been removed. Use
 `Dialect::available()` instead.
 
+### `spill_record_batch_by_size` removed
+
+`datafusion_physical_plan::spill::spill_record_batch_by_size` has been removed.
+This function was deprecated in DataFusion `46.0.0`.
+
+Use `datafusion_physical_plan::spill::SpillManager::spill_record_batch_by_size`
+instead.
+
 ### Decimal scalar formatting uses human-readable values
 
 Decimal scalar literals in `EXPLAIN` output, expression display strings, and