diff --git a/db/src/debug.rs b/db/src/debug.rs
index 64aa30b5..2c002831 100644
--- a/db/src/debug.rs
+++ b/db/src/debug.rs
@@ -40,7 +40,7 @@ use types::Schema;
 
 /// Represents a *datom* (assertion) in the store.
 #[derive(Clone,Debug,Eq,Hash,Ord,PartialOrd,PartialEq)]
-pub struct Datom {
+struct Datom {
     // TODO: generalize this.
     e: Entid,
     a: Entid,
@@ -54,7 +54,7 @@ pub struct Datom {
 /// To make comparision easier, we deterministically order.  The ordering is the ascending tuple
 /// ordering determined by `(e, a, (value_type_tag, v), tx)`, where `value_type_tag` is an internal
 /// value that is not exposed but is deterministic.
-pub struct Datoms(pub Vec<Datom>);
+struct Datoms(pub Vec<Datom>);
 
 /// Represents an ordered sequence of transactions in the store.
 ///
@@ -62,7 +62,7 @@ pub struct Datoms(pub Vec<Datom>);
 /// ordering determined by `(e, a, (value_type_tag, v), tx, added)`, where `value_type_tag` is an
 /// internal value that is not exposed but is deterministic, and `added` is ordered such that
 /// retracted assertions appear before added assertions.
-pub struct Transactions(pub Vec<Datoms>);
+struct Transactions(pub Vec<Datoms>);
 
 /// Represents the fulltext values in the store.
 pub struct FulltextValues(pub Vec<(i64, String)>);
@@ -126,7 +126,7 @@ fn to_entid(schema: &Schema, entid: i64) -> Entid {
 
 /// Return the set of datoms in the store, ordered by (e, a, v, tx), but not including any datoms of
 /// the form [... :db/txInstant ...].
-pub fn datoms<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S) -> Result<Datoms> {
+fn datoms<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S) -> Result<Datoms> {
     datoms_after(conn, schema, bootstrap::TX0 - 1)
 }
 
@@ -134,7 +134,7 @@ pub fn datoms<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S) -> Res
 /// ordered by (e, a, v, tx).
 ///
 /// The datom set returned does not include any datoms of the form [... :db/txInstant ...].
-pub fn datoms_after<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S, tx: i64) -> Result<Datoms> {
+fn datoms_after<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S, tx: i64) -> Result<Datoms> {
     let borrowed_schema = schema.borrow();
 
     let mut stmt: rusqlite::Statement = conn.prepare("SELECT e, a, v, value_type_tag, tx FROM datoms WHERE tx > ? ORDER BY e ASC, a ASC, value_type_tag ASC, v ASC, tx ASC")?;
@@ -174,7 +174,7 @@ pub fn datoms_after<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S,
 /// given `tx`, ordered by (tx, e, a, v).
 ///
 /// Each transaction returned includes the [:db/tx :db/txInstant ...] datom.
-pub fn transactions_after<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S, tx: i64) -> Result<Transactions> {
+fn transactions_after<S: Borrow<Schema>>(conn: &rusqlite::Connection, schema: &S, tx: i64) -> Result<Transactions> {
     let borrowed_schema = schema.borrow();
 
     let mut stmt: rusqlite::Statement = conn.prepare("SELECT e, a, v, value_type_tag, tx, added FROM transactions WHERE tx > ? ORDER BY tx ASC, e ASC, a ASC, value_type_tag ASC, v ASC, added ASC")?;