diff --git a/build.xml b/build.xml
index 2c7e3de4..b8392d87 100644
--- a/build.xml
+++ b/build.xml
@@ -70,7 +70,9 @@
       <exclude name="com/samskivert/util/**" unless="build.util"/>
       <exclude name="com/samskivert/velocity/**" unless="build.velocity"/>
       <exclude name="com/samskivert/xml/**" unless="build.xml"/>
-      <compilerarg value="-Xlint:unchecked"/>
+      <compilerarg value="-Xlint"/>
+      <compilerarg value="-Xlint:-serial"/>
+      <compilerarg value="-Xlint:-deprecation"/>
     </javac>
   </target>
 
diff --git a/src/java/com/samskivert/util/ResultListener.java b/src/java/com/samskivert/util/ResultListener.java
index 174b8702..f90f5b49 100644
--- a/src/java/com/samskivert/util/ResultListener.java
+++ b/src/java/com/samskivert/util/ResultListener.java
@@ -58,6 +58,7 @@ public interface ResultListener<T>
     public void requestFailed (Exception cause);
 
     /** @deprecated This cannot be type safe so don't use it. */
+    @Deprecated
     public ResultListener<Object> NOOP = new ResultListener<Object>() {
         public void requestCompleted (Object result) {
         }
diff --git a/src/java/com/samskivert/util/StringUtil.java b/src/java/com/samskivert/util/StringUtil.java
index cb9556ce..6105b382 100644
--- a/src/java/com/samskivert/util/StringUtil.java
+++ b/src/java/com/samskivert/util/StringUtil.java
@@ -58,6 +58,7 @@ public class StringUtil
      *
      * @deprecated use isBlank instead.
      */
+    @Deprecated
     public static boolean blank (String value)
     {
         return isBlank(value);