diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5a6381..6c1c554 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.9.3+1
+
+* Fix all analyzer hints.
+
 ## 0.9.3
 
 * Add a `MapKeySet` class that exposes an unmodifiable `Set` view of a `Map`'s
diff --git a/lib/src/unmodifiable_wrappers.dart b/lib/src/unmodifiable_wrappers.dart
index 022bbfe..72b189c 100644
--- a/lib/src/unmodifiable_wrappers.dart
+++ b/lib/src/unmodifiable_wrappers.dart
@@ -36,7 +36,7 @@
  * change the List's length.
  */
 abstract class NonGrowableListMixin<E> implements List<E> {
-  static void _throw() {
+  static _throw() {
     throw new UnsupportedError(
         "Cannot change the length of a fixed-length list");
   }
@@ -51,9 +51,7 @@
    * Throws an [UnsupportedError];
    * operations that change the length of the list are disallowed.
    */
-  bool add(E value) {
-    _throw();
-  }
+  bool add(E value) => _throw();
 
   /**
    * Throws an [UnsupportedError];
@@ -77,19 +75,19 @@
    * Throws an [UnsupportedError];
    * operations that change the length of the list are disallowed.
    */
-  bool remove(Object value) { _throw(); }
+  bool remove(Object value) => _throw();
 
   /**
    * Throws an [UnsupportedError];
    * operations that change the length of the list are disallowed.
    */
-  E removeAt(int index) { _throw(); }
+  E removeAt(int index) => _throw();
 
   /**
    * Throws an [UnsupportedError];
    * operations that change the length of the list are disallowed.
    */
-  E removeLast() { _throw(); }
+  E removeLast() => _throw();
 
   /**
    * Throws an [UnsupportedError];
@@ -141,7 +139,7 @@
  * change the Set.
  */
 abstract class UnmodifiableSetMixin<E> implements Set<E> {
-  void _throw() {
+  _throw() {
     throw new UnsupportedError("Cannot modify an unmodifiable Set");
   }
 
@@ -149,9 +147,7 @@
    * Throws an [UnsupportedError];
    * operations that change the set are disallowed.
    */
-  bool add(E value) {
-    _throw();
-  }
+  bool add(E value) => _throw();
 
   /**
    * Throws an [UnsupportedError];
@@ -163,7 +159,7 @@
    * Throws an [UnsupportedError];
    * operations that change the set are disallowed.
    */
-  bool remove(Object value) { _throw(); }
+  bool remove(Object value) => _throw();
 
   /**
    * Throws an [UnsupportedError];
@@ -215,7 +211,7 @@
  * change the Map.
  */
 abstract class UnmodifiableMapMixin<K, V> implements Map<K, V> {
-  static void _throw() {
+  static _throw() {
     throw new UnsupportedError("Cannot modify an unmodifiable Map");
   }
 
@@ -229,7 +225,7 @@
    * Throws an [UnsupportedError];
    * operations that change the map are disallowed.
    */
-  V putIfAbsent(K key, V ifAbsent()) { _throw(); }
+  V putIfAbsent(K key, V ifAbsent()) => _throw();
 
   /**
    * Throws an [UnsupportedError];
@@ -241,7 +237,7 @@
    * Throws an [UnsupportedError];
    * operations that change the map are disallowed.
    */
-  V remove(K key) { _throw(); }
+  V remove(K key) => _throw();
 
   /**
    * Throws an [UnsupportedError];
diff --git a/pubspec.yaml b/pubspec.yaml
index e0d1097..80b0972 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: collection
-version: 0.9.3
+version: 0.9.3+1
 author: Dart Team <misc@dartlang.org>
 description: Collections and utilities functions and classes related to collections.
 homepage: http://www.dartlang.org