diff --git a/postgres-shared/src/rows.rs b/postgres-shared/src/rows.rs
index 9d7fabf3..3320415e 100644
--- a/postgres-shared/src/rows.rs
+++ b/postgres-shared/src/rows.rs
@@ -11,7 +11,7 @@ mod sealed {
     use stmt::Column;
 
     pub trait Sealed {
-        fn idx(&self, stmt: &[Column]) -> Option<usize>;
+        fn __idx(&self, stmt: &[Column]) -> Option<usize>;
     }
 }
 
@@ -22,7 +22,7 @@ pub trait RowIndex: Sealed {}
 
 impl Sealed for usize {
     #[inline]
-    fn idx(&self, stmt: &[Column]) -> Option<usize> {
+    fn __idx(&self, stmt: &[Column]) -> Option<usize> {
         if *self >= stmt.len() {
             None
         } else {
@@ -35,7 +35,7 @@ impl RowIndex for usize {}
 
 impl Sealed for str {
     #[inline]
-    fn idx(&self, stmt: &[Column]) -> Option<usize> {
+    fn __idx(&self, stmt: &[Column]) -> Option<usize> {
         if let Some(idx) = stmt.iter().position(|d| d.name() == self) {
             return Some(idx);
         };
@@ -56,8 +56,8 @@ where
     T: ?Sized + Sealed,
 {
     #[inline]
-    fn idx(&self, columns: &[Column]) -> Option<usize> {
-        T::idx(*self, columns)
+    fn __idx(&self, columns: &[Column]) -> Option<usize> {
+        T::__idx(*self, columns)
     }
 }
 
diff --git a/postgres/src/rows.rs b/postgres/src/rows.rs
index 49bfde75..90cce793 100644
--- a/postgres/src/rows.rs
+++ b/postgres/src/rows.rs
@@ -225,7 +225,7 @@ impl<'a> Row<'a> {
         I: RowIndex,
         T: FromSql,
     {
-        let idx = match idx.idx(&self.stmt_info.columns) {
+        let idx = match idx.__idx(&self.stmt_info.columns) {
             Some(idx) => idx,
             None => return None,
         };
@@ -247,7 +247,7 @@ impl<'a> Row<'a> {
     where
         I: RowIndex + fmt::Debug,
     {
-        match idx.idx(&self.stmt_info.columns) {
+        match idx.__idx(&self.stmt_info.columns) {
             Some(idx) => self.data.get(idx),
             None => panic!("invalid index {:?}", idx),
         }
diff --git a/tokio-postgres/src/rows.rs b/tokio-postgres/src/rows.rs
index 2fe054ca..482f7cc1 100644
--- a/tokio-postgres/src/rows.rs
+++ b/tokio-postgres/src/rows.rs
@@ -69,7 +69,7 @@ impl Row {
         T: FromSql,
         I: RowIndex,
     {
-        let idx = match idx.idx(&self.columns) {
+        let idx = match idx.__idx(&self.columns) {
             Some(idx) => idx,
             None => return Ok(None),
         };