diff --git a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Resolver.java b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Resolver.java
index 11e2ffee2..c09638309 100644
--- a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Resolver.java
+++ b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Resolver.java
@@ -258,7 +258,7 @@ public class Resolver extends DefinitionTraverser {
         SymTabAST node = block.getTreeNode();
 
         SymTabAST conditional =
-            (SymTabAST) (node.findFirstToken(TokenTypes.EXPR));
+            (node.findFirstToken(TokenTypes.EXPR));
         resolveExpression(conditional, block, null, true);
 
         SymTabAST message = (SymTabAST) conditional.getNextSibling();
@@ -366,7 +366,7 @@ public class Resolver extends DefinitionTraverser {
         }
         else {
             resolveExpression(
-                (SymTabAST) (forEach.findFirstToken(TokenTypes.EXPR)),
+                (forEach.findFirstToken(TokenTypes.EXPR)),
                 block,
                 null,
                 true);
@@ -394,7 +394,7 @@ public class Resolver extends DefinitionTraverser {
         SymTabAST node = block.getTreeNode();
 
         SymTabAST conditional =
-            (SymTabAST) (node.findFirstToken(TokenTypes.EXPR));
+            (node.findFirstToken(TokenTypes.EXPR));
         resolveExpression(conditional, block, null, true);
 
         SymTabAST body = (SymTabAST) conditional.getNextSibling();
@@ -441,7 +441,7 @@ public class Resolver extends DefinitionTraverser {
         SymTabAST node = block.getTreeNode();
 
         SymTabAST condition =
-            (SymTabAST) (node.findFirstToken(TokenTypes.EXPR));
+            (node.findFirstToken(TokenTypes.EXPR));
         SymTabAST slist = (SymTabAST) (condition.getNextSibling());
         // handle Checkstyle grammar
         if (slist.getType() == TokenTypes.RPAREN) {
@@ -457,7 +457,7 @@ public class Resolver extends DefinitionTraverser {
 
         SymTabAST slist = (SymTabAST) node.getFirstChild();
         SymTabAST condition =
-            (SymTabAST) node.findFirstToken(TokenTypes.EXPR);
+            node.findFirstToken(TokenTypes.EXPR);
 
         handleSList(slist, block);
         resolveExpression(condition, block, null, true);
@@ -1360,7 +1360,7 @@ public class Resolver extends DefinitionTraverser {
         SymTabAST nameNode = (SymTabAST) (constructor.getFirstChild());
         //SymTabAST parametersNode = (SymTabAST) (nameNode.getNextSibling());
         SymTabAST parametersNode =
-            (SymTabAST) constructor.findFirstToken(TokenTypes.ELIST);
+            constructor.findFirstToken(TokenTypes.ELIST);
         SymTabAST nameIdent = null;
         if (nameNode.getType() == TokenTypes.IDENT) {
             nameIdent = nameNode;
@@ -1413,11 +1413,11 @@ public class Resolver extends DefinitionTraverser {
         while (expr != null) {
             if (expr.getType() != TokenTypes.COMMA) {
                 IClass parameter =
-                    (IClass) resolveExpression((SymTabAST) (expr
-                        .getFirstChild()),
-                        location,
-                        context,
-                        referencePhase);
+                    resolveExpression((SymTabAST) (expr
+				    .getFirstChild()),
+				    location,
+				    context,
+				    referencePhase);
                 parameters.add(parameter);
             }
 
@@ -1566,18 +1566,18 @@ public class Resolver extends DefinitionTraverser {
         SymTabAST leftChild = findLeftChild(expression);
         
         IClass leftType =
-            (IClass) (resolveExpression(leftChild,
-                location,
-                context,
-                referencePhase));
+            (resolveExpression(leftChild,
+		    location,
+		    context,
+		    referencePhase));
                 
         SymTabAST rightChild = findRightSibling(leftChild);
 
         IClass rightType =
-                    (IClass) (resolveExpression(rightChild,
-                        location,
-                        context,
-                        referencePhase));
+                    (resolveExpression(rightChild,
+		    location,
+		    context,
+		    referencePhase));
 
         result = binaryResultType(leftType, rightType);
 
@@ -1642,8 +1642,8 @@ public class Resolver extends DefinitionTraverser {
         else {
             result =
                 PrimitiveClasses.binaryPromote(
-                    (ExternalClass) a,
-                    (ExternalClass) b);
+                    a,
+                    b);
         }
 
         return result;
diff --git a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Scope.java b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Scope.java
index 0446b649a..cd4475e5a 100644
--- a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Scope.java
+++ b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/Scope.java
@@ -49,8 +49,6 @@ import java.util.Vector;
  */
 public abstract class Scope extends Definition {
 
-  private Vector unresolvedStuff = new Vector();
-
   // rename to references?
   protected SortedSet referencesInScope = new TreeSet();
 
diff --git a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/ScopeIndex.java b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/ScopeIndex.java
index ee3dbb3d6..50a10f2f7 100644
--- a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/ScopeIndex.java
+++ b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/ScopeIndex.java
@@ -28,7 +28,6 @@
 
 package com.puppycrawl.tools.checkstyle.checks.usage.transmogrify;
 
-import java.io.File;
 import java.util.Hashtable;
 import java.util.Vector;
 
@@ -114,7 +113,7 @@ public class ScopeIndex {
     public void addScope(Scope scope) {
 
         final SymTabAST SymTabAST = scope.getTreeNode();
-        final File file = SymTabAST.getFile();
+        SymTabAST.getFile();
         Vector fileVector =
             getFileVector(scope.getTreeNode().getFile().getAbsolutePath());
 
diff --git a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/SymTabAST.java b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/SymTabAST.java
index c916acee4..9111b5953 100644
--- a/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/SymTabAST.java
+++ b/src/checkstyle/com/puppycrawl/tools/checkstyle/checks/usage/transmogrify/SymTabAST.java
@@ -243,7 +243,6 @@ public class SymTabAST
      */
     public Span finishChildren(File file) {
         Span result = null;
-        SymTabAST previousSibling = null;
         SymTabAST current = (SymTabAST) getFirstChild();
 
         if (current == null) {
@@ -263,9 +262,7 @@ public class SymTabAST
                     }
                 }
 
-                SymTabAST temp = current;
                 current = (SymTabAST) current.getNextSibling();
-                previousSibling = temp;
             }
         }
 
@@ -326,29 +323,6 @@ public class SymTabAST
         return result;
     }
 
-    /**
-     * makes a new copy of the current <code>SymTabAST</code>.  Uses the
-     * initialize(AST t) method to copy properties for each cloned node.
-     *
-     * @return <code>SymTabAST</code> a full tree copy of the current tree
-     */
-    private SymTabAST treeCopy()
-    {
-        SymTabAST copyOfThis = SymTabASTFactory.create(getType(), getText());
-        copyOfThis.initialize(this);
-
-        if (getFirstChild() != null) {
-            copyOfThis.setFirstChild(((SymTabAST) getFirstChild()).treeCopy());
-        }
-
-        if (getNextSibling() != null) {
-            copyOfThis.setNextSibling(
-                ((SymTabAST) getNextSibling()).treeCopy());
-        }
-
-        return copyOfThis;
-    }
-
     /**
      * prints the line, column and file for this node for debugging purpose
      * @return <code>String</code>