diff --git a/Cargo.toml b/Cargo.toml
index 60492f6..484e0bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,8 @@ include = ["src/*", "Cargo.toml", "LICENSE", "README.md"]
 categories = ["date-and-time"]
 
 [features]
-default = ["postgres-types"]
+default = ["postgres"]
+postgres = ["postgres-types"]
 
 [dependencies]
 chrono = { version = "^0.4" }
diff --git a/src/integrations/rust_postgres.rs b/src/integrations/rust_postgres.rs
index e5954d7..9ad0bc5 100644
--- a/src/integrations/rust_postgres.rs
+++ b/src/integrations/rust_postgres.rs
@@ -1,13 +1,13 @@
 use crate::Interval;
 use bytes::{Buf, BufMut, BytesMut};
+use std::error::Error;
 use postgres_types::{to_sql_checked, FromSql, IsNull, ToSql, Type};
 
 impl<'a> FromSql<'a> for Interval {
     fn from_sql(_: &Type, mut raw: &'a [u8]) -> Result<Self, Box<dyn Error + Sync + Send>> {
-        let microseconds: i64 = raw.read_i64::<BigEndian>()?;
-        let days: i32 = raw.read_i32::<BigEndian>()?;
-        let months: i32 = raw.read_i32::<BigEndian>()?;
-
+        let microseconds = raw.get_i64();
+        let days = raw.get_i32();
+        let months = raw.get_i32();
         Ok(Interval {
             months,
             days,
diff --git a/src/lib.rs b/src/lib.rs
index 986c000..cf52cae 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,10 +1,3 @@
-#[cfg(feature = "postgres")]
-#[macro_use]
-extern crate postgres;
-#[cfg(feature = "postgres")]
-extern crate byteorder;
-extern crate chrono;
-
 #[cfg(feature = "postgres")]
 mod integrations;