diff --git a/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java b/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java
index 9c24dae70..64b3cf4fa 100644
--- a/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java
+++ b/src/main/org/apache/tools/ant/util/depend/AbstractAnalyzer.java
@@ -113,13 +113,11 @@ public abstract class AbstractAnalyzer implements DependencyAnalyzer {
      * which the root classes depend.
      *
      * @return an enumeration of File instances.
-     * @exception UnsupportedOperationException if the analyzer cannot
-     *      determine file dependencies.
      */
-    public Enumeration getFileDependencies()
-         throws UnsupportedOperationException {
+    public Enumeration getFileDependencies() {
         if (!supportsFileDependencies()) {
-            throw new UnsupportedOperationException();
+            throw new RuntimeException("File dependencies are not supported " 
+                + "by this analyzer");
         }
         if (!determined) {
             determineDependencies(fileDependencies, classDependencies);
diff --git a/src/main/org/apache/tools/ant/util/depend/DependencyAnalyzer.java b/src/main/org/apache/tools/ant/util/depend/DependencyAnalyzer.java
index 04f827a7a..407484cdb 100644
--- a/src/main/org/apache/tools/ant/util/depend/DependencyAnalyzer.java
+++ b/src/main/org/apache/tools/ant/util/depend/DependencyAnalyzer.java
@@ -106,10 +106,8 @@ public interface DependencyAnalyzer {
      * which the root classes depend.
      *
      * @return an enumeration of File instances.
-     * @exception UnsupportedOperationException if the analyzer cannot
-     *      determine file dependencies.
      */
-    Enumeration getFileDependencies() throws UnsupportedOperationException;
+    Enumeration getFileDependencies();
 
     /**
      * Get the list of classes upon which root classes depend. This is a