diff --git a/datafusion/physical-plan/src/joins/mod.rs b/datafusion/physical-plan/src/joins/mod.rs
index 84de98902d2bf..5244d4a7de391 100644
--- a/datafusion/physical-plan/src/joins/mod.rs
+++ b/datafusion/physical-plan/src/joins/mod.rs
@@ -34,7 +34,7 @@ pub use piecewise_merge_join::PiecewiseMergeJoinExec;
 pub use sort_merge_join::SortMergeJoinExec;
 pub use symmetric_hash_join::SymmetricHashJoinExec;
 mod asof_join;
-pub mod chain;
+mod chain;
 mod cross_join;
 mod hash_join;
 mod nested_loop_join;