diff --git a/src/java/com/samskivert/util/ArrayIntSet.java b/src/java/com/samskivert/util/ArrayIntSet.java
index 7117ec30..519f08db 100644
--- a/src/java/com/samskivert/util/ArrayIntSet.java
+++ b/src/java/com/samskivert/util/ArrayIntSet.java
@@ -22,7 +22,6 @@ package com.samskivert.util;
 
 import java.io.Serializable;
 
-import java.util.AbstractSet;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Iterator;
@@ -232,7 +231,7 @@ public class ArrayIntSet extends AbstractIntSet
                 }
             }
 
-            public void remove () {
+            @Override public void remove () {
                 if (_pos == 0) {
                     throw new IllegalStateException();
                 }
diff --git a/src/java/com/samskivert/util/HashIntMap.java b/src/java/com/samskivert/util/HashIntMap.java
index 168b6276..32fdd30d 100644
--- a/src/java/com/samskivert/util/HashIntMap.java
+++ b/src/java/com/samskivert/util/HashIntMap.java
@@ -396,7 +396,7 @@ public class HashIntMap<V> extends AbstractMap<Integer,V>
         // damn Sun bastards made the 'keySet' variable with default access, so we can't share it
         if (_keySet == null) {
             _keySet = new AbstractIntSet() {
-                @Override public Interator interator () {
+                public Interator interator () {
                     return new AbstractInterator () {
                         public boolean hasNext () {
                             return i.hasNext();
@@ -404,7 +404,7 @@ public class HashIntMap<V> extends AbstractMap<Integer,V>
                         public int nextInt () {
                             return i.next().getIntKey();
                         }
-                        public void remove () {
+                        @Override public void remove () {
                             i.remove();
                         }
                         private Iterator<IntEntry<V>> i = intEntrySet().iterator();
diff --git a/src/java/com/samskivert/util/IntIntMap.java b/src/java/com/samskivert/util/IntIntMap.java
index def3b76b..af7aaf40 100644
--- a/src/java/com/samskivert/util/IntIntMap.java
+++ b/src/java/com/samskivert/util/IntIntMap.java
@@ -313,7 +313,7 @@ public class IntIntMap
     public IntSet keySet ()
     {
         return new AbstractIntSet() {
-            @Override public Interator interator () {
+            public Interator interator () {
                 return IntIntMap.this.keys();
             }
 
@@ -321,11 +321,11 @@ public class IntIntMap
                 return IntIntMap.this.size();
             }
 
-            public boolean contains (int t) {
+            @Override public boolean contains (int t) {
                 return IntIntMap.this.containsKey(t);
             }
 
-            public boolean remove (int value) {
+            @Override public boolean remove (int value) {
                 // we have to check for presence in the map separately because we have no "not in
                 // the set" return value
                 if (!IntIntMap.this.containsKey(value)) {
@@ -566,7 +566,7 @@ public class IntIntMap
             return _eiter.hasNext();
         }
 
-        public void remove () {
+        @Override public void remove () {
             _eiter.remove();
         }