diff --git a/postgres/src/lib.rs b/postgres/src/lib.rs
index e3a98ae3..b4e4a96c 100644
--- a/postgres/src/lib.rs
+++ b/postgres/src/lib.rs
@@ -77,8 +77,6 @@ extern crate hex;
 #[macro_use]
 extern crate log;
 extern crate postgres_protocol;
-#[macro_use]
-#[macro_reexport]
 extern crate postgres_shared;
 
 use fallible_iterator::FallibleIterator;
diff --git a/postgres/src/types.rs b/postgres/src/types.rs
index c7b3f281..f5ca5873 100644
--- a/postgres/src/types.rs
+++ b/postgres/src/types.rs
@@ -2,3 +2,36 @@
 
 #[doc(inline)]
 pub use postgres_shared::types::*;
+
+/// Generates a simple implementation of `ToSql::accepts` which accepts the
+/// types passed to it.
+#[macro_export]
+macro_rules! accepts {
+    ($($expected:pat),+) => (
+        fn accepts(ty: &$crate::types::Type) -> bool {
+            match *ty {
+                $($expected)|+ => true,
+                _ => false
+            }
+        }
+    )
+}
+
+/// Generates an implementation of `ToSql::to_sql_checked`.
+///
+/// All `ToSql` implementations should use this macro.
+#[macro_export]
+macro_rules! to_sql_checked {
+    () => {
+        fn to_sql_checked(&self,
+                          ty: &$crate::types::Type,
+                          out: &mut ::std::vec::Vec<u8>,
+                          ctx: &$crate::types::SessionInfo)
+                          -> ::std::result::Result<$crate::types::IsNull,
+                                                   Box<::std::error::Error +
+                                                       ::std::marker::Sync +
+                                                       ::std::marker::Send>> {
+            $crate::types::__to_sql_checked(self, ty, out, ctx)
+        }
+    }
+}