diff --git a/phf/src/map.rs b/phf/src/map.rs
index 44555f8c..8f1d6c61 100644
--- a/phf/src/map.rs
+++ b/phf/src/map.rs
@@ -1,6 +1,5 @@
 //! An immutable map constructed at compile time.
 use debug_builders::DebugMap;
-use std::prelude::v1::*;
 use std::borrow::Borrow;
 use std::ops::Index;
 use std::slice;
diff --git a/phf/src/ordered_map.rs b/phf/src/ordered_map.rs
index 9600ff04..f8e66c3b 100644
--- a/phf/src/ordered_map.rs
+++ b/phf/src/ordered_map.rs
@@ -1,6 +1,5 @@
 //! An order-preserving immutable map constructed at compile time.
 use debug_builders::DebugMap;
-use std::prelude::v1::*;
 use std::borrow::Borrow;
 use std::iter::IntoIterator;
 use std::ops::Index;
diff --git a/phf/src/ordered_set.rs b/phf/src/ordered_set.rs
index 4b4f4d8e..4240b121 100644
--- a/phf/src/ordered_set.rs
+++ b/phf/src/ordered_set.rs
@@ -1,6 +1,5 @@
 //! An order-preserving immutable set constructed at compile time.
 use debug_builders::DebugSet;
-use std::prelude::v1::*;
 use std::borrow::Borrow;
 use std::iter::IntoIterator;
 use std::fmt;
diff --git a/phf/src/set.rs b/phf/src/set.rs
index 6612b554..58d584da 100644
--- a/phf/src/set.rs
+++ b/phf/src/set.rs
@@ -1,6 +1,5 @@
 //! An immutable set constructed at compile time.
 use debug_builders::DebugSet;
-use std::prelude::v1::*;
 use std::borrow::Borrow;
 use std::iter::IntoIterator;
 use std::fmt;