diff --git a/tck/src/main/java/com/sun/ts/tests/el/common/api/expression/ExpressionTest.java b/tck/src/main/java/com/sun/ts/tests/el/common/api/expression/ExpressionTest.java
index a0f3797..7590dc2 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/common/api/expression/ExpressionTest.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/common/api/expression/ExpressionTest.java
@@ -260,7 +260,7 @@
 
     // getMethodInfo()
     try {
-      MethodInfo minfo = mexp.getMethodInfo(context);
+      mexp.getMethodInfo(context);
     } catch (Exception e) {
       pass = false;
       buf.append("getMethodInfo() threw an unexpected exception" + NLINE);
diff --git a/tck/src/main/java/com/sun/ts/tests/el/common/util/Validator.java b/tck/src/main/java/com/sun/ts/tests/el/common/util/Validator.java
index b91a4b4..4bb3870 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/common/util/Validator.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/common/util/Validator.java
@@ -33,19 +33,10 @@
 
   private static final Logger logger = System.getLogger(Validator.class.getName());
 
-  private static Validator instance = null;
-
   protected Validator() {
     // Exists only to defeat instantiation.
   }
 
-  private Validator getInstance() {
-    if (instance == null) {
-      instance = new Validator();
-    }
-    return instance;
-  }
-
   /**
    * This method is used to validate an expression that have at least one
    * BigDecimal in it. We pass in one of the operands(testVal), the other
diff --git a/tck/src/main/java/com/sun/ts/tests/el/signaturetest/PackageList.java b/tck/src/main/java/com/sun/ts/tests/el/signaturetest/PackageList.java
index 1bb86c0..f8f72b5 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/signaturetest/PackageList.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/signaturetest/PackageList.java
@@ -17,11 +17,9 @@
 package com.sun.ts.tests.el.signaturetest;
 
 import java.io.BufferedReader;
-import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
-import java.io.FileWriter;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -62,8 +60,6 @@
   // Any line in the packageFile starting with this character is a comment
   private static final char COMMENT_CHAR = '#';
 
-  private static final String BACKUP_EXT = ".bak";
-
   // File containing the list of packages and sub-packages
   private File packageFile;
 
@@ -220,130 +216,6 @@
   }
 
   /**
-   * Extract the package name from the specified string. The specified string
-   * should have the form: "package jakarta.ejb;"
-   *
-   * @param packageLine
-   *          The string containing the package name.
-   *
-   * @return String The extracted package name.
-   *
-   * @throws Exception
-   *           if the specified string does not conform to the expected format.
-   */
-  private String parsePackageName(String packageLine) throws Exception {
-
-    // sig test framework doesn't have the concept of package entries
-    // as the ApiCheck signature format does.
-    // Instead, we need to parse an entry similar to this:
-    // CLSS public jakarta.some.package.SomeClass
-
-    return packageLine.substring(packageLine.lastIndexOf(' ') + 1,
-        packageLine.lastIndexOf('.'));
-  }
-
-  /**
-   * Reads the package names from the signature file. Each package name that is
-   * read is added to this classes internal tree set.
-   *
-   * @throws Exception
-   *           if there is an error opening or reading the signature file.
-   */
-  private void readPkgsFromSigFile() throws Exception {
-    BufferedReader in = new BufferedReader(new FileReader(sigFile));
-    String line;
-    String trimLine;
-    try {
-      while ((line = in.readLine()) != null) {
-        trimLine = line.trim();
-        if (trimLine.startsWith("CLSS")) {
-          packageNames.add(parsePackageName(trimLine));
-        }
-      }
-    } finally {
-      try {
-        in.close();
-      } catch (Exception e) {
-      }
-    }
-  }
-
-  /**
-   * Removes the existing package list file. The package list file is actually
-   * moved to a backup file if it exists. The old backup is lost.
-   *
-   * @throws Exception
-   *           if there is an error moving the current package list file to a
-   *           backup file.
-   */
-  private void removePkgFile() throws Exception {
-    File backupPkgFile = new File(packageFile.getPath() + BACKUP_EXT);
-    if (backupPkgFile.exists() && backupPkgFile.isFile()) {
-      backupPkgFile.delete();
-    }
-    if (packageFile.isFile() && packageFile.exists()) {
-      File copyPackageFile = new File(packageFile.getPath());
-      copyPackageFile.renameTo(backupPkgFile);
-    }
-  }
-
-  /**
-   * Write a simple header to the package list file to explain what the file is.
-   *
-   * @param out
-   *          The BufferedWriter to dump the header to.
-   *
-   * @throws Exception
-   *           if there is any errors writing the header to the specified
-   *           BufferedWriter.
-   */
-  private void writeHeader(BufferedWriter out) throws Exception {
-    out.write(COMMENT_CHAR);
-    out.write(COMMENT_CHAR);
-    out.newLine();
-    out.write(COMMENT_CHAR + " This file contains a list of all the packages");
-    out.newLine();
-    out.write(COMMENT_CHAR + " contained in the signature files for this");
-    out.newLine();
-    out.write(
-        COMMENT_CHAR + " deliverable.  This file is used to exclude valid");
-    out.newLine();
-    out.write(COMMENT_CHAR + " sub-packages from being verified when their");
-    out.newLine();
-    out.write(COMMENT_CHAR + " parent package's signature is checked.");
-    out.newLine();
-    out.write(COMMENT_CHAR);
-    out.write(COMMENT_CHAR);
-    out.newLine();
-    out.newLine();
-  }
-
-  /**
-   * Write the list of package names out to a package list file.
-   *
-   * @throws Exception
-   *           if there is an error creating and writting the package list file.
-   */
-  private void writePkgFile() throws Exception {
-    BufferedWriter out = null;
-    try {
-      out = new BufferedWriter(new FileWriter(packageFile));
-      writeHeader(out);
-      for (Iterator<String> i = packageNames.iterator(); i.hasNext();) {
-        String packageName = i.next();
-        out.write(packageName);
-        out.newLine();
-        System.out
-            .println("PackageList.writePkgFile() \"" + packageName + "\"");
-      }
-    } finally {
-      if (out != null) {
-        out.close();
-      }
-    }
-  }
-
-  /**
    * Returns the list of sub-packages that exist in the specified package name.
    *
    * @param pkgName
diff --git a/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTest.java b/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTest.java
index ff0b2b7..87190d5 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTest.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTest.java
@@ -114,8 +114,8 @@
    * @throws Exception
    *           When an error occurs executing the signature tests.
    */
-  public void signatureTest(String mapFile, String packageFile, Properties mapFileAsProps, String[] packages)
-   throws Exception {
+  public void signatureTest(String mapFile, String packageFile, @SuppressWarnings("unused") Properties mapFileAsProps,
+      String[] packages) throws Exception {
 
     SigTestResult results = null;
     String repositoryDir = System.getProperty("java.io.tmpdir");
diff --git a/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTestDriver.java b/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTestDriver.java
index f38b288..1341689 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTestDriver.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/signaturetest/SigTestDriver.java
@@ -39,8 +39,6 @@
 
   private static final String PACKAGE_FLAG = "-Package";
 
-  private static final String PACKAGE_NO_SUBS_FLAG = "-PackageWithoutSubpackages";
-
   private static final String API_VERSION_FLAG = "-ApiVersion";
 
   private static final String EXCLUDE_FLAG = "-Exclude";
@@ -50,15 +48,9 @@
   private static final String CHECKVALUE_FLAG = "-CheckValue"; // only valid w/
                                                                // -static
 
-  private static final String NO_CHECKVALUE_FLAG = "-NoCheckValue";
-
   private static final String SMODE_FLAG = "-mode"; // requires arg of bin or
                                                     // src
 
-  private static final String DEBUG_FLAG = "-Debug";
-
-  private static final String FORMATPLAIN_FLAG = "-FormatPlain";
-
   private static final String EXCLUDE_JDK_CLASS_FLAG = "-IgnoreJDKClass";
 
   @Override
diff --git a/tck/src/main/java/com/sun/ts/tests/el/spec/concatoperator/ELClientIT.java b/tck/src/main/java/com/sun/ts/tests/el/spec/concatoperator/ELClientIT.java
index a9269f7..2b7e103 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/spec/concatoperator/ELClientIT.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/spec/concatoperator/ELClientIT.java
@@ -25,12 +25,9 @@
 import java.math.BigInteger;
 import java.util.Iterator;
 
-import com.sun.ts.tests.el.common.util.ELTestUtil;
 import com.sun.ts.tests.el.common.util.TestNum;
 import com.sun.ts.tests.el.common.util.Validator;
 
-import jakarta.el.ELProcessor;
-
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -258,39 +255,4 @@
     Validator.testBoolean(false, Boolean.TRUE, null, "+=");
 
   }
-
-  // ------------------------------------------------------- private methods
-  private void logLine(String s) {
-    logger.log(Logger.Level.TRACE, s);
-  }
-
-  /**
-   * Test a query for the correct value.
-   *
-   * @param name
-   *          The Name of the test
-   * @param query
-   *          The EL query string
-   * @param expected
-   *          The expected result of the query.
-   */
-  private void testQuery(String name, String query, String expected)
-      throws Exception {
-    ELProcessor elp = new ELProcessor();
-
-    logLine("=== Testing " + name + " ===");
-    logLine(query);
-
-    logLine(" = returns =");
-    Object ret = elp.eval(query);
-
-    if (!expected.equals(ret.toString())) {
-
-      throw new Exception(
-          ELTestUtil.FAIL + "  Unexpected Value!" + ELTestUtil.NL + "Expected: "
-              + expected + ELTestUtil.NL + "Received: " + ret.toString());
-
-    }
-  }
-
 }
diff --git a/tck/src/main/java/com/sun/ts/tests/el/spec/operatorprecedence/ELClientIT.java b/tck/src/main/java/com/sun/ts/tests/el/spec/operatorprecedence/ELClientIT.java
index 049b9f8..87e97cb 100644
--- a/tck/src/main/java/com/sun/ts/tests/el/spec/operatorprecedence/ELClientIT.java
+++ b/tck/src/main/java/com/sun/ts/tests/el/spec/operatorprecedence/ELClientIT.java
@@ -46,8 +46,6 @@
 
   private static final String[] OROPER = { "||", "or" };
 
-  private final boolean[] deferred = { true, false };
-
   @AfterEach
   public void cleanup() throws Exception {
     logger.log(Logger.Level.INFO, "Cleanup method called");