diff --git a/src/main/java/org/htmlunit/cssparser/parser/CSSOMParser.java b/src/main/java/org/htmlunit/cssparser/parser/CSSOMParser.java
index 98db8e1..8fb3698 100644
--- a/src/main/java/org/htmlunit/cssparser/parser/CSSOMParser.java
+++ b/src/main/java/org/htmlunit/cssparser/parser/CSSOMParser.java
@@ -21,7 +21,20 @@
 import java.util.Deque;
 import java.util.List;
 
-import org.htmlunit.cssparser.dom.*;
+import org.htmlunit.cssparser.dom.AbstractCSSRuleImpl;
+import org.htmlunit.cssparser.dom.CSSCharsetRuleImpl;
+import org.htmlunit.cssparser.dom.CSSFontFaceRuleImpl;
+import org.htmlunit.cssparser.dom.CSSImportRuleImpl;
+import org.htmlunit.cssparser.dom.CSSMediaRuleImpl;
+import org.htmlunit.cssparser.dom.CSSPageRuleImpl;
+import org.htmlunit.cssparser.dom.CSSRuleListImpl;
+import org.htmlunit.cssparser.dom.CSSStyleDeclarationImpl;
+import org.htmlunit.cssparser.dom.CSSStyleRuleImpl;
+import org.htmlunit.cssparser.dom.CSSStyleSheetImpl;
+import org.htmlunit.cssparser.dom.CSSUnknownRuleImpl;
+import org.htmlunit.cssparser.dom.CSSValueImpl;
+import org.htmlunit.cssparser.dom.MediaListImpl;
+import org.htmlunit.cssparser.dom.Property;
 import org.htmlunit.cssparser.parser.javacc.CSS3Parser;
 import org.htmlunit.cssparser.parser.media.MediaQueryList;
 import org.htmlunit.cssparser.parser.selector.SelectorList;
@@ -100,7 +113,7 @@ public CSSStyleDeclarationImpl parseStyleDeclaration(final String styleDecl) thr
      * @throws IOException if the underlying SAC parser throws an IOException
      */
     public void parseStyleDeclaration(final CSSStyleDeclarationImpl sd, final String styleDecl) throws IOException {
-        try (final InputSource source = new InputSource(new StringReader(styleDecl))) {
+        try (InputSource source = new InputSource(new StringReader(styleDecl))) {
             final Deque<Object> nodeStack = new ArrayDeque<>();
             nodeStack.push(sd);
             final CSSOMHandler handler = new CSSOMHandler(nodeStack);
@@ -117,7 +130,7 @@ public void parseStyleDeclaration(final CSSStyleDeclarationImpl sd, final String
      * @throws IOException if the underlying SAC parser throws an IOException
      */
     public CSSValueImpl parsePropertyValue(final String propertyValue) throws IOException {
-        try (final InputSource source = new InputSource(new StringReader(propertyValue))) {
+        try (InputSource source = new InputSource(new StringReader(propertyValue))) {
             final CSSOMHandler handler = new CSSOMHandler();
             parser_.setDocumentHandler(handler);
             final LexicalUnit lu = parser_.parsePropertyValue(source);
@@ -136,7 +149,7 @@ public CSSValueImpl parsePropertyValue(final String propertyValue) throws IOExce
      * @throws IOException if the underlying SAC parser throws an IOException
      */
     public AbstractCSSRuleImpl parseRule(final String rule) throws IOException {
-        try (final InputSource source = new InputSource(new StringReader(rule))) {
+        try (InputSource source = new InputSource(new StringReader(rule))) {
             final CSSOMHandler handler = new CSSOMHandler();
             parser_.setDocumentHandler(handler);
             parser_.parseRule(source);
@@ -152,7 +165,7 @@ public AbstractCSSRuleImpl parseRule(final String rule) throws IOException {
      * @throws IOException if the underlying SAC parser throws an IOException
      */
     public SelectorList parseSelectors(final String selectors) throws IOException {
-        try (final InputSource source = new InputSource(new StringReader(selectors))) {
+        try (InputSource source = new InputSource(new StringReader(selectors))) {
             final HandlerBase handler = new HandlerBase();
             parser_.setDocumentHandler(handler);
             return parser_.parseSelectors(source);
@@ -167,7 +180,7 @@ public SelectorList parseSelectors(final String selectors) throws IOException {
      * @throws IOException if the underlying SAC parser throws an IOException
      */
     public MediaQueryList parseMedia(final String media) throws IOException {
-        try (final InputSource source = new InputSource(new StringReader(media))) {
+        try (InputSource source = new InputSource(new StringReader(media))) {
             final HandlerBase handler = new HandlerBase();
             parser_.setDocumentHandler(handler);
             return parser_.parseMedia(source);
@@ -410,8 +423,8 @@ public void property(final String name, final LexicalUnit value, final boolean i
 
         private AbstractCSSRuleImpl getParentRule() {
             if (!nodeStack_.isEmpty() && nodeStack_.size() > 1) {
-                final List<Object> nodesStack_ = new ArrayList<>(nodeStack_);
-                final Object node = nodesStack_.get(nodesStack_.size() - 2);
+                final List<Object> nodesStack = new ArrayList<>(nodeStack_);
+                final Object node = nodesStack.get(nodesStack.size() - 2);
                 if (node instanceof AbstractCSSRuleImpl) {
                     return (AbstractCSSRuleImpl) node;
                 }
diff --git a/src/main/java/org/htmlunit/cssparser/parser/condition/LangCondition.java b/src/main/java/org/htmlunit/cssparser/parser/condition/LangCondition.java
index e5163ae..b03c5c4 100644
--- a/src/main/java/org/htmlunit/cssparser/parser/condition/LangCondition.java
+++ b/src/main/java/org/htmlunit/cssparser/parser/condition/LangCondition.java
@@ -71,4 +71,4 @@ public String toString() {
         result.append(")");
         return result.toString();
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/htmlunit/cssparser/parser/selector/ChildSelector.java b/src/main/java/org/htmlunit/cssparser/parser/selector/ChildSelector.java
index c847bec..f7fbe38 100644
--- a/src/main/java/org/htmlunit/cssparser/parser/selector/ChildSelector.java
+++ b/src/main/java/org/htmlunit/cssparser/parser/selector/ChildSelector.java
@@ -69,4 +69,4 @@ public String toString() {
 
         return sb.toString();
     }
-}
\ No newline at end of file
+}