diff --git a/src/indexer/index_writer.rs b/src/indexer/index_writer.rs
index f3dfe6f7d..5eec4443d 100644
--- a/src/indexer/index_writer.rs
+++ b/src/indexer/index_writer.rs
@@ -605,7 +605,7 @@ impl IndexWriter {
     /// It is also possible to add a payload to the `commit`
     /// using this API.
     /// See [`PreparedCommit::set_payload()`](PreparedCommit.html)
-    pub fn prepare_commit(&mut self) -> crate::Result<PreparedCommit> {
+    pub(crate) fn prepare_commit(&mut self) -> crate::Result<PreparedCommit> {
         // Here, because we join all of the worker threads,
         // all of the segment update for this commit have been
         // sent.
diff --git a/src/indexer/mod.rs b/src/indexer/mod.rs
index c2505c738..8b5250f7c 100644
--- a/src/indexer/mod.rs
+++ b/src/indexer/mod.rs
@@ -23,7 +23,7 @@ pub use self::index_writer::IndexWriter;
 pub use self::log_merge_policy::LogMergePolicy;
 pub use self::merge_operation::MergeOperation;
 pub use self::merge_policy::{MergeCandidate, MergePolicy, NoMergePolicy};
-pub use self::prepared_commit::PreparedCommit;
+pub(crate) use self::prepared_commit::PreparedCommit;
 pub use self::segment_entry::SegmentEntry;
 pub use self::segment_manager::SegmentManager;
 pub use self::segment_serializer::SegmentSerializer;
diff --git a/src/indexer/prepared_commit.rs b/src/indexer/prepared_commit.rs
index dad89710b..b8fc78a87 100644
--- a/src/indexer/prepared_commit.rs
+++ b/src/indexer/prepared_commit.rs
@@ -3,7 +3,7 @@ use crate::Opstamp;
 use futures::executor::block_on;
 
 /// A prepared commit
-pub struct PreparedCommit<'a> {
+pub(crate) struct PreparedCommit<'a> {
     index_writer: &'a mut IndexWriter,
     payload: Option<String>,
     opstamp: Opstamp,
@@ -18,19 +18,19 @@ impl<'a> PreparedCommit<'a> {
         }
     }
 
-    pub fn opstamp(&self) -> Opstamp {
+    pub(crate) fn opstamp(&self) -> Opstamp {
         self.opstamp
     }
 
-    pub fn set_payload(&mut self, payload: &str) {
+    pub(crate) fn set_payload(&mut self, payload: &str) {
         self.payload = Some(payload.to_string())
     }
 
-    pub fn abort(self) -> crate::Result<Opstamp> {
+    pub(crate) fn abort(self) -> crate::Result<Opstamp> {
         self.index_writer.rollback()
     }
 
-    pub fn commit(self) -> crate::Result<Opstamp> {
+    pub(crate) fn commit(self) -> crate::Result<Opstamp> {
         info!("committing {}", self.opstamp);
         let _ = block_on(
             self.index_writer
diff --git a/src/lib.rs b/src/lib.rs
index f1d14a5be..1cd236530 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -174,7 +174,6 @@ pub use crate::indexer::demuxer::*;
 pub use crate::indexer::merge_filtered_segments;
 pub use crate::indexer::merge_indices;
 pub use crate::indexer::operation::UserOperation;
-pub use crate::indexer::prepared_commit::PreparedCommit;
 pub use crate::indexer::IndexWriter;
 pub use crate::postings::Postings;
 pub use crate::reader::LeasedItem;