diff --git a/iox_query/src/physical_optimizer/chunk_extraction.rs b/iox_query/src/physical_optimizer/chunk_extraction.rs
index d891c78f19..ccf4bdb910 100644
--- a/iox_query/src/physical_optimizer/chunk_extraction.rs
+++ b/iox_query/src/physical_optimizer/chunk_extraction.rs
@@ -101,9 +101,8 @@ mod tests {
     use arrow::datatypes::{DataType, Field, Schema as ArrowSchema};
     use data_types::ChunkId;
     use datafusion::{
-        execution::context::TaskContext,
         physical_plan::filter::FilterExec,
-        prelude::{col, lit, SessionConfig, SessionContext},
+        prelude::{col, lit},
     };
     use predicate::Predicate;
 
@@ -186,7 +185,7 @@ mod tests {
             None,
             vec![Arc::new(chunk1)],
             Predicate::default(),
-            task_ctx(),
+            2,
         );
         let plan = FilterExec::try_new(
             df_physical_expr(plan.as_ref(), col("tag1").eq(lit("foo"))).unwrap(),
@@ -198,24 +197,12 @@ mod tests {
 
     #[track_caller]
     fn assert_roundtrip(schema: Schema, chunks: Vec<Arc<dyn QueryChunk>>) {
-        let plan = chunks_to_physical_nodes(
-            &schema,
-            None,
-            chunks.clone(),
-            Predicate::default(),
-            task_ctx(),
-        );
+        let plan = chunks_to_physical_nodes(&schema, None, chunks.clone(), Predicate::default(), 2);
         let (schema2, chunks2) = extract_chunks(plan.as_ref()).expect("data found");
         assert_eq!(schema, schema2);
         assert_eq!(chunk_ids(&chunks), chunk_ids(&chunks2));
     }
 
-    fn task_ctx() -> Arc<TaskContext> {
-        let session_ctx =
-            SessionContext::with_config(SessionConfig::default().with_target_partitions(2));
-        Arc::new(TaskContext::from(&session_ctx))
-    }
-
     fn chunk_ids(chunks: &[Arc<dyn QueryChunk>]) -> Vec<ChunkId> {
         let mut ids = chunks.iter().map(|c| c.id()).collect::<Vec<_>>();
         ids.sort();
diff --git a/iox_query/src/provider.rs b/iox_query/src/provider.rs
index b4063f171e..0f2b95b860 100644
--- a/iox_query/src/provider.rs
+++ b/iox_query/src/provider.rs
@@ -1093,7 +1093,7 @@ impl Deduplicater {
             output_sort_key,
             vec![Arc::clone(&chunk)],
             predicate,
-            ctx.inner().task_ctx(),
+            ctx.inner().task_ctx().session_config().target_partitions(),
         );
 
         // Add Filter operator, FilterExec, if the chunk has delete predicates
@@ -1271,7 +1271,7 @@ impl Deduplicater {
                 output_sort_key,
                 chunks.into_no_duplicates(deduplication),
                 predicate,
-                ctx.inner().task_ctx(),
+                ctx.inner().task_ctx().session_config().target_partitions(),
             ));
             return Ok(plans);
         }
@@ -1456,7 +1456,11 @@ mod test {
             None,
             vec![Arc::clone(&chunk)],
             Predicate::default(),
-            IOxSessionContext::with_testing().inner().task_ctx(),
+            IOxSessionContext::with_testing()
+                .inner()
+                .task_ctx()
+                .session_config()
+                .target_partitions(),
         );
 
         // plan should not have sort operator
@@ -1540,7 +1544,11 @@ mod test {
             None,
             vec![Arc::clone(&chunk)],
             Predicate::default(),
-            IOxSessionContext::with_testing().inner().task_ctx(),
+            IOxSessionContext::with_testing()
+                .inner()
+                .task_ctx()
+                .session_config()
+                .target_partitions(),
         );
         let batch = test_collect(Arc::clone(&input)).await;
         // data in its original non-sorted form
diff --git a/iox_query/src/provider/physical.rs b/iox_query/src/provider/physical.rs
index 62cd4a83ff..21daba6628 100644
--- a/iox_query/src/provider/physical.rs
+++ b/iox_query/src/provider/physical.rs
@@ -6,7 +6,6 @@ use crate::{
 };
 use datafusion::{
     datasource::{listing::PartitionedFile, object_store::ObjectStoreUrl},
-    execution::context::TaskContext,
     physical_plan::{
         empty::EmptyExec,
         file_format::{FileScanConfig, ParquetExec},
@@ -124,7 +123,7 @@ pub fn chunks_to_physical_nodes(
     output_sort_key: Option<&SortKey>,
     chunks: Vec<Arc<dyn QueryChunk>>,
     predicate: Predicate,
-    context: Arc<TaskContext>,
+    target_partitions: usize,
 ) -> Arc<dyn ExecutionPlan> {
     if chunks.is_empty() {
         return Arc::new(EmptyExec::new(false, iox_schema.as_arrow()));
@@ -167,7 +166,6 @@ pub fn chunks_to_physical_nodes(
     }
     let mut parquet_chunks: Vec<_> = parquet_chunks.into_iter().collect();
     parquet_chunks.sort_by_key(|(url_str, _)| url_str.clone());
-    let target_partitions = context.session_config().target_partitions();
     for (_url_str, chunk_list) in parquet_chunks {
         let ParquetChunkList {
             object_store_url,
@@ -235,7 +233,6 @@ where
 
 #[cfg(test)]
 mod tests {
-    use datafusion::prelude::{SessionConfig, SessionContext};
     use schema::sort::SortKeyBuilder;
 
     use crate::{
@@ -305,7 +302,7 @@ mod tests {
     #[test]
     fn test_chunks_to_physical_nodes_empty() {
         let schema = TestChunk::new("table").schema().clone();
-        let plan = chunks_to_physical_nodes(&schema, None, vec![], Predicate::new(), task_ctx());
+        let plan = chunks_to_physical_nodes(&schema, None, vec![], Predicate::new(), 2);
         insta::assert_yaml_snapshot!(
             format_execution_plan(&plan),
             @r###"
@@ -319,13 +316,8 @@ mod tests {
     fn test_chunks_to_physical_nodes_recordbatch() {
         let chunk = TestChunk::new("table");
         let schema = chunk.schema().clone();
-        let plan = chunks_to_physical_nodes(
-            &schema,
-            None,
-            vec![Arc::new(chunk)],
-            Predicate::new(),
-            task_ctx(),
-        );
+        let plan =
+            chunks_to_physical_nodes(&schema, None, vec![Arc::new(chunk)], Predicate::new(), 2);
         insta::assert_yaml_snapshot!(
             format_execution_plan(&plan),
             @r###"
@@ -340,13 +332,8 @@ mod tests {
     fn test_chunks_to_physical_nodes_parquet_one_file() {
         let chunk = TestChunk::new("table").with_dummy_parquet_file();
         let schema = chunk.schema().clone();
-        let plan = chunks_to_physical_nodes(
-            &schema,
-            None,
-            vec![Arc::new(chunk)],
-            Predicate::new(),
-            task_ctx(),
-        );
+        let plan =
+            chunks_to_physical_nodes(&schema, None, vec![Arc::new(chunk)], Predicate::new(), 2);
         insta::assert_yaml_snapshot!(
             format_execution_plan(&plan),
             @r###"
@@ -368,7 +355,7 @@ mod tests {
             None,
             vec![Arc::new(chunk1), Arc::new(chunk2), Arc::new(chunk3)],
             Predicate::new(),
-            task_ctx(),
+            2,
         );
         insta::assert_yaml_snapshot!(
             format_execution_plan(&plan),
@@ -394,7 +381,7 @@ mod tests {
             None,
             vec![Arc::new(chunk1), Arc::new(chunk2)],
             Predicate::new(),
-            task_ctx(),
+            2,
         );
         insta::assert_yaml_snapshot!(
             format_execution_plan(&plan),
@@ -417,7 +404,7 @@ mod tests {
             None,
             vec![Arc::new(chunk1), Arc::new(chunk2)],
             Predicate::new(),
-            task_ctx(),
+            2,
         );
         insta::assert_yaml_snapshot!(
             format_execution_plan(&plan),
@@ -429,10 +416,4 @@ mod tests {
         "###
         );
     }
-
-    fn task_ctx() -> Arc<TaskContext> {
-        let session_ctx =
-            SessionContext::with_config(SessionConfig::default().with_target_partitions(2));
-        Arc::new(TaskContext::from(&session_ctx))
-    }
 }