1 files changed, 1 insertions, 12 deletions
diff --git a/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/EnumHashBiMap.java b/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/EnumHashBiMap.java
index 3d9503f..dce8d66 100644
--- a/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/EnumHashBiMap.java
+++ b/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/EnumHashBiMap.java
@@ -16,8 +16,6 @@
 
 package com.google.common.collect;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.google.common.annotations.GwtCompatible;
 
 import java.util.EnumMap;
@@ -30,10 +28,6 @@ import javax.annotation.Nullable;
  * a {@code HashMap} instance for values-to-keys. Null keys are not permitted,
  * but null values are. An {@code EnumHashBiMap} and its inverse are both
  * serializable.
- * 
- * <p>See the Guava User Guide article on <a href=
- * "http://code.google.com/p/guava-libraries/wiki/NewCollectionTypesExplained#BiMap">
- * {@code BiMap}</a>.
  *
  * @author Mike Bostock
  * @since 2.0 (imported from Google Collections Library)
@@ -78,12 +72,7 @@ public final class EnumHashBiMap<K extends Enum<K>, V>
     this.keyType = keyType;
   }
 
-  // Overriding these 3 methods to show that values may be null (but not keys)
-
-  @Override
-  K checkKey(K key) {
-    return checkNotNull(key);
-  }
+  // Overriding these two methods to show that values may be null (but not keys)
 
   @Override public V put(K key, @Nullable V value) {
     return super.put(key, value);