diff --git a/tools/java/common/src/com/google/i18n/phonenumbers/tools/FileUtils.java b/tools/java/common/src/com/google/i18n/phonenumbers/tools/FileUtils.java
index 425ddd1c9..89e338feb 100644
--- a/tools/java/common/src/com/google/i18n/phonenumbers/tools/FileUtils.java
+++ b/tools/java/common/src/com/google/i18n/phonenumbers/tools/FileUtils.java
@@ -18,10 +18,7 @@
 package com.google.i18n.phonenumbers.tools;
 
 import java.io.Closeable;
-import java.io.File;
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
 
 /**
  * Helper class containing methods designed to ease file manipulation and generation.
@@ -52,36 +49,4 @@ public class FileUtils {
       close(closeable);
     }
   }
-
-  /**
-   * Returns true if the provided output file/directory is older than the provided input
-   * file/directory. The last modification time of a directory is the maximum last
-   * modification time of its children. It assumes the provided output directory only contains
-   * generated files.
-   */
-  public static boolean isGenerationRequired(File inputFile, File outputDir) {
-    if (!outputDir.exists()) {
-      return true;
-    }
-    return getLastModificationTime(inputFile) > getLastModificationTime(outputDir);
-  }
-
-  /**
-   * Gets the modification time of the most recently modified file contained in a directory.
-   */
-  private static long getLastModificationTime(File file) {
-    if (!file.isDirectory()) {
-      return file.lastModified();
-    }
-    long maxModificationTime = 0;
-
-    for (File child : file.listFiles()) {
-      long modificationTime = getLastModificationTime(child);
-
-      if (modificationTime > maxModificationTime) {
-        maxModificationTime = modificationTime;
-      }
-    }
-    return maxModificationTime;
-  }
 }
diff --git a/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/BuildMetadataProtoFromXml.java b/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/BuildMetadataProtoFromXml.java
index c5bfc7b46..5d2332cc4 100644
--- a/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/BuildMetadataProtoFromXml.java
+++ b/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/BuildMetadataProtoFromXml.java
@@ -90,12 +90,6 @@ public class BuildMetadataProtoFromXml extends Command {
     boolean forTesting = args[3].equals("true");
     boolean liteBuild = args.length > 4 && args[4].equals("true");
 
-    if (!FileUtils.isGenerationRequired(
-            new File(inputFile),
-            new File(outputDir, new File(META_DATA_FILE_PREFIX).getParent()))) {
-      System.out.println("Metadata code up-to-date.");
-      return true;
-    }
     String filePrefix;
     if (forTesting) {
       filePrefix = outputDir + TEST_META_DATA_FILE_PREFIX;
diff --git a/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/GenerateAreaCodeData.java b/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/GenerateAreaCodeData.java
index 96883bfb2..5c0c66352 100644
--- a/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/GenerateAreaCodeData.java
+++ b/tools/java/java-build/src/com/google/i18n/phonenumbers/tools/GenerateAreaCodeData.java
@@ -239,10 +239,6 @@ public class GenerateAreaCodeData extends Command {
    * @throws FileNotFoundException
    */
   public void run() throws FileNotFoundException, IOException {
-    if (!FileUtils.isGenerationRequired(inputPath, outputPath)) {
-      LOGGER.log(Level.INFO, "Geocoding data up-to-date.");
-      return;
-    }
     List<Pair<File, File>> inputOutputMappings = createInputOutputFileMappings();
     SortedMap<Integer, Set<String>> availableDataFiles = new TreeMap<Integer, Set<String>>();
 
diff --git a/tools/java/java-build/target/java-build-1.0-SNAPSHOT-jar-with-dependencies.jar b/tools/java/java-build/target/java-build-1.0-SNAPSHOT-jar-with-dependencies.jar
index 10555728e..426827c81 100644
Binary files a/tools/java/java-build/target/java-build-1.0-SNAPSHOT-jar-with-dependencies.jar and b/tools/java/java-build/target/java-build-1.0-SNAPSHOT-jar-with-dependencies.jar differ