diff --git a/src/cache.rs b/src/cache.rs
index cef1aca..82cd8ca 100644
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -5,7 +5,6 @@ use std::ops::{Deref, DerefMut};
 use lru_cache::LruCache;
 use {Result, Connection, Statement};
 use raw_statement::RawStatement;
-use statement::StatementCrateImpl;
 
 impl Connection {
     /// Prepare a SQL statement for execution, returning a previously prepared (but
diff --git a/src/lib.rs b/src/lib.rs
index 367258d..598520b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -80,10 +80,8 @@ use raw_statement::RawStatement;
 use cache::StatementCache;
 
 pub use statement::Statement;
-use statement::StatementCrateImpl;
 
 pub use row::{Row, Rows, MappedRows, AndThenRows, RowIndex};
-use row::RowsCrateImpl;
 
 #[allow(deprecated)]
 pub use transaction::{SqliteTransaction, SqliteTransactionBehavior};
diff --git a/src/row.rs b/src/row.rs
index 0e0c5d3..bbcee78 100644
--- a/src/row.rs
+++ b/src/row.rs
@@ -3,7 +3,6 @@ use std::marker::PhantomData;
 
 use super::{Statement, Error, Result};
 use types::{FromSql, FromSqlError};
-use statement::StatementCrateImpl;
 
 /// An handle for the resulting rows of a query.
 pub struct Rows<'stmt> {
@@ -49,19 +48,12 @@ impl<'stmt> Rows<'stmt> {
     }
 }
 
-// TODO: This trait lets us have "pub(crate)" visibility on some methods. Remove this
-// once pub(crate) is stable.
-pub trait RowsCrateImpl<'stmt> {
-    fn new(stmt: &'stmt Statement<'stmt>) -> Rows<'stmt>;
-    fn get_expected_row<'a>(&'a mut self) -> Result<Row<'a, 'stmt>>;
-}
-
-impl<'stmt> RowsCrateImpl<'stmt> for Rows<'stmt> {
-    fn new(stmt: &'stmt Statement<'stmt>) -> Rows<'stmt> {
+impl<'stmt> Rows<'stmt> {
+    pub(crate) fn new(stmt: &'stmt Statement<'stmt>) -> Rows<'stmt> {
         Rows { stmt: Some(stmt) }
     }
 
-    fn get_expected_row<'a>(&'a mut self) -> Result<Row<'a, 'stmt>> {
+    pub(crate) fn get_expected_row<'a>(&'a mut self) -> Result<Row<'a, 'stmt>> {
         match self.next() {
             Some(row) => row,
             None => Err(Error::QueryReturnedNoRows),
@@ -81,16 +73,10 @@ pub struct MappedRows<'stmt, F> {
     map: F,
 }
 
-// TODO: This trait lets us have "pub(crate)" visibility on some methods. Remove this
-// once pub(crate) is stable.
-pub trait MappedRowsCrateImpl<'stmt, T, F> {
-    fn new(rows: Rows<'stmt>, f: F) -> MappedRows<'stmt, F>;
-}
-
-impl<'stmt, T, F> MappedRowsCrateImpl<'stmt, T, F> for MappedRows<'stmt, F>
+impl<'stmt, T, F> MappedRows<'stmt, F>
     where F: FnMut(&Row) -> T
 {
-    fn new(rows: Rows<'stmt>, f: F) -> MappedRows<'stmt, F> {
+    pub(crate) fn new(rows: Rows<'stmt>, f: F) -> MappedRows<'stmt, F> {
         MappedRows { rows, map: f }
     }
 }
@@ -115,16 +101,10 @@ pub struct AndThenRows<'stmt, F> {
     map: F,
 }
 
-// TODO: This trait lets us have "pub(crate)" visibility on some methods. Remove this
-// once pub(crate) is stable.
-pub trait AndThenRowsCrateImpl<'stmt, T, E, F> {
-    fn new(rows: Rows<'stmt>, f: F) -> AndThenRows<'stmt, F>;
-}
-
-impl<'stmt, T, E, F> AndThenRowsCrateImpl<'stmt, T, E, F> for AndThenRows<'stmt, F>
+impl<'stmt, T, E, F> AndThenRows<'stmt, F>
     where F: FnMut(&Row) -> result::Result<T, E>
 {
-    fn new(rows: Rows<'stmt>, f: F) -> AndThenRows<'stmt, F> {
+    pub(crate) fn new(rows: Rows<'stmt>, f: F) -> AndThenRows<'stmt, F> {
         AndThenRows { rows, map: f }
     }
 }
diff --git a/src/statement.rs b/src/statement.rs
index 2d44a57..5545617 100644
--- a/src/statement.rs
+++ b/src/statement.rs
@@ -7,7 +7,6 @@ use super::ffi;
 use super::{Connection, RawStatement, Result, Error, ValueRef, Row, Rows, AndThenRows, MappedRows};
 use super::str_to_cstring;
 use types::{ToSql, ToSqlOutput};
-use row::{RowsCrateImpl, MappedRowsCrateImpl, AndThenRowsCrateImpl};
 
 /// A prepared statement.
 pub struct Statement<'conn> {
@@ -494,24 +493,15 @@ impl<'conn> Drop for Statement<'conn> {
     }
 }
 
-// TODO: This trait lets us have "pub(crate)" visibility on some Statement methods. Remove this
-// once pub(crate) is stable.
-pub trait StatementCrateImpl<'conn> {
-    fn new(conn: &'conn Connection, stmt: RawStatement) -> Self;
-    fn value_ref(&self, col: usize) -> ValueRef;
-    fn step(&self) -> Result<bool>;
-    fn reset(&self) -> c_int;
-}
-
-impl<'conn> StatementCrateImpl<'conn> for Statement<'conn> {
-    fn new(conn: &Connection, stmt: RawStatement) -> Statement {
+impl<'conn> Statement<'conn> {
+    pub(crate) fn new(conn: &Connection, stmt: RawStatement) -> Statement {
         Statement {
             conn,
             stmt,
         }
     }
 
-    fn value_ref(&self, col: usize) -> ValueRef {
+    pub(crate) fn value_ref(&self, col: usize) -> ValueRef {
         let raw = unsafe { self.stmt.ptr() };
 
         match self.stmt.column_type(col) {
@@ -554,7 +544,7 @@ impl<'conn> StatementCrateImpl<'conn> for Statement<'conn> {
         }
     }
 
-    fn step(&self) -> Result<bool> {
+    pub(crate) fn step(&self) -> Result<bool> {
         match self.stmt.step() {
             ffi::SQLITE_ROW => Ok(true),
             ffi::SQLITE_DONE => Ok(false),
@@ -562,7 +552,7 @@ impl<'conn> StatementCrateImpl<'conn> for Statement<'conn> {
         }
     }
 
-    fn reset(&self) -> c_int {
+    pub(crate) fn reset(&self) -> c_int {
         self.stmt.reset()
     }
 }