1 files changed, 3 insertions, 16 deletions
diff --git a/guava/src/com/google/common/collect/AbstractSortedSetMultimap.java b/guava/src/com/google/common/collect/AbstractSortedSetMultimap.java
index ac74155..2be5f4b 100644
--- a/guava/src/com/google/common/collect/AbstractSortedSetMultimap.java
+++ b/guava/src/com/google/common/collect/AbstractSortedSetMultimap.java
@@ -19,8 +19,6 @@ package com.google.common.collect;
 import com.google.common.annotations.GwtCompatible;
 
 import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.Map;
 import java.util.SortedSet;
 
@@ -28,7 +26,7 @@ import javax.annotation.Nullable;
 
 /**
  * Basic implementation of the {@link SortedSetMultimap} interface. It's a
- * wrapper around {@link AbstractMapBasedMultimap} that converts the returned
+ * wrapper around {@link AbstractMultimap} that converts the returned
  * collections into sorted sets. The {@link #createCollection} method
  * must return a {@code SortedSet}.
  *
@@ -47,18 +45,7 @@ abstract class AbstractSortedSetMultimap<K, V>
     super(map);
   }
 
-  @Override
-  abstract SortedSet<V> createCollection();
-
-  @Override
-  SortedSet<V> createUnmodifiableEmptyCollection() {
-    Comparator<? super V> comparator = valueComparator();
-    if (comparator == null) {
-      return Collections.unmodifiableSortedSet(createCollection());
-    } else {
-      return ImmutableSortedSet.emptySet(valueComparator());
-    }
-  }
+  @Override abstract SortedSet<V> createCollection();
 
   // Following Javadoc copied from Multimap and SortedSetMultimap.
 
@@ -101,7 +88,7 @@ abstract class AbstractSortedSetMultimap<K, V>
    * <p>Any duplicates in {@code values} will be stored in the multimap once.
    */
   @Override public SortedSet<V> replaceValues(
-      @Nullable K key, Iterable<? extends V> values) {
+      K key, Iterable<? extends V> values) {
     return (SortedSet<V>) super.replaceValues(key, values);
   }