diff --git a/src/main/java/org/apache/commons/scxml2/env/EffectiveContextMap.java b/src/main/java/org/apache/commons/scxml2/env/EffectiveContextMap.java
index 127cb6f..8025a27 100644
--- a/src/main/java/org/apache/commons/scxml2/env/EffectiveContextMap.java
+++ b/src/main/java/org/apache/commons/scxml2/env/EffectiveContextMap.java
@@ -41,7 +41,6 @@
      * @param ctx context of the current leave state node
      */
     public EffectiveContextMap(final Context ctx) {
-        super();
         Context current = ctx;
         while (current != null) {
             if (current.getVars() instanceof EffectiveContextMap) {
diff --git a/src/main/java/org/apache/commons/scxml2/env/LogUtils.java b/src/main/java/org/apache/commons/scxml2/env/LogUtils.java
index 0faf929..df4cb3b 100644
--- a/src/main/java/org/apache/commons/scxml2/env/LogUtils.java
+++ b/src/main/java/org/apache/commons/scxml2/env/LogUtils.java
@@ -64,7 +64,6 @@
      * Discourage instantiation since this is a utility class.
      */
     private LogUtils() {
-        super();
     }
 
 }
diff --git a/src/main/java/org/apache/commons/scxml2/env/SimpleDispatcher.java b/src/main/java/org/apache/commons/scxml2/env/SimpleDispatcher.java
index eec3f17..9888a83 100644
--- a/src/main/java/org/apache/commons/scxml2/env/SimpleDispatcher.java
+++ b/src/main/java/org/apache/commons/scxml2/env/SimpleDispatcher.java
@@ -78,7 +78,6 @@
          * @param target The target io processor
          */
         DelayedEventTask(final String id, final TriggerEvent event, SCXMLIOProcessor target) {
-            super();
             this.id = id;
             this.event = event;
             this.target = target;
diff --git a/src/main/java/org/apache/commons/scxml2/env/SimpleErrorHandler.java b/src/main/java/org/apache/commons/scxml2/env/SimpleErrorHandler.java
index 90ff955..bbaadaf 100644
--- a/src/main/java/org/apache/commons/scxml2/env/SimpleErrorHandler.java
+++ b/src/main/java/org/apache/commons/scxml2/env/SimpleErrorHandler.java
@@ -43,7 +43,6 @@
      * Constructor.
      */
     public SimpleErrorHandler() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/env/SimpleErrorReporter.java b/src/main/java/org/apache/commons/scxml2/env/SimpleErrorReporter.java
index f51a279..23ce987 100644
--- a/src/main/java/org/apache/commons/scxml2/env/SimpleErrorReporter.java
+++ b/src/main/java/org/apache/commons/scxml2/env/SimpleErrorReporter.java
@@ -46,7 +46,6 @@
      * Constructor.
      */
     public SimpleErrorReporter() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/env/SimpleXMLReporter.java b/src/main/java/org/apache/commons/scxml2/env/SimpleXMLReporter.java
index e293c00..8cbdb7d 100644
--- a/src/main/java/org/apache/commons/scxml2/env/SimpleXMLReporter.java
+++ b/src/main/java/org/apache/commons/scxml2/env/SimpleXMLReporter.java
@@ -43,7 +43,6 @@
      * Constructor.
      */
     public SimpleXMLReporter() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/env/Tracer.java b/src/main/java/org/apache/commons/scxml2/env/Tracer.java
index d8955f1..e2d1225 100644
--- a/src/main/java/org/apache/commons/scxml2/env/Tracer.java
+++ b/src/main/java/org/apache/commons/scxml2/env/Tracer.java
@@ -53,7 +53,6 @@
      * Constructor.
      */
     public Tracer() {
-        super();
         errHandler = new SimpleErrorHandler();
         errReporter = new SimpleErrorReporter();
         scxmlListener = new SimpleSCXMLListener();
diff --git a/src/main/java/org/apache/commons/scxml2/env/groovy/GroovyContext.java b/src/main/java/org/apache/commons/scxml2/env/groovy/GroovyContext.java
index d2526f6..a5d73bf 100644
--- a/src/main/java/org/apache/commons/scxml2/env/groovy/GroovyContext.java
+++ b/src/main/java/org/apache/commons/scxml2/env/groovy/GroovyContext.java
@@ -55,7 +55,6 @@
      * Constructor.
      */
     public GroovyContext() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/env/javascript/JSContext.java b/src/main/java/org/apache/commons/scxml2/env/javascript/JSContext.java
index eecb9bc..fb605b7 100644
--- a/src/main/java/org/apache/commons/scxml2/env/javascript/JSContext.java
+++ b/src/main/java/org/apache/commons/scxml2/env/javascript/JSContext.java
@@ -36,7 +36,6 @@
      * Default constructor - just invokes the SimpleContext default constructor.
      */
     public JSContext() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/env/jexl/JexlContext.java b/src/main/java/org/apache/commons/scxml2/env/jexl/JexlContext.java
index 0d9c1bc..f674571 100644
--- a/src/main/java/org/apache/commons/scxml2/env/jexl/JexlContext.java
+++ b/src/main/java/org/apache/commons/scxml2/env/jexl/JexlContext.java
@@ -35,7 +35,6 @@
      * Constructor.
      */
     public JexlContext() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/io/ModelUpdater.java b/src/main/java/org/apache/commons/scxml2/io/ModelUpdater.java
index fc9a451..c74555f 100644
--- a/src/main/java/org/apache/commons/scxml2/io/ModelUpdater.java
+++ b/src/main/java/org/apache/commons/scxml2/io/ModelUpdater.java
@@ -120,7 +120,6 @@
      * Discourage instantiation since this is a utility class.
      */
     private ModelUpdater() {
-        super();
     }
 
     /*
diff --git a/src/main/java/org/apache/commons/scxml2/io/SCXMLReader.java b/src/main/java/org/apache/commons/scxml2/io/SCXMLReader.java
index 8402725..e62062f 100644
--- a/src/main/java/org/apache/commons/scxml2/io/SCXMLReader.java
+++ b/src/main/java/org/apache/commons/scxml2/io/SCXMLReader.java
@@ -2610,7 +2610,6 @@
      * Discourage instantiation since this is a utility class.
      */
     private SCXMLReader() {
-        super();
     }
 
     //------------------------- CONFIGURATION CLASS -------------------------//
diff --git a/src/main/java/org/apache/commons/scxml2/io/SCXMLWriter.java b/src/main/java/org/apache/commons/scxml2/io/SCXMLWriter.java
index 7f030f9..fa7fde5 100644
--- a/src/main/java/org/apache/commons/scxml2/io/SCXMLWriter.java
+++ b/src/main/java/org/apache/commons/scxml2/io/SCXMLWriter.java
@@ -1211,7 +1211,6 @@
      * Discourage instantiation since this is a utility class.
      */
     private SCXMLWriter() {
-        super();
     }
 
     //------------------------- CONFIGURATION CLASS -------------------------//
diff --git a/src/main/java/org/apache/commons/scxml2/model/Action.java b/src/main/java/org/apache/commons/scxml2/model/Action.java
index ed32bde..93ffa1b 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Action.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Action.java
@@ -37,7 +37,6 @@
      * Constructor.
      */
     public Action() {
-        super();
         this.parent = null;
     }
 
diff --git a/src/main/java/org/apache/commons/scxml2/model/Assign.java b/src/main/java/org/apache/commons/scxml2/model/Assign.java
index 21e66d1..a4ccb20 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Assign.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Assign.java
@@ -58,7 +58,6 @@
      * Constructor.
      */
     public Assign() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Cancel.java b/src/main/java/org/apache/commons/scxml2/model/Cancel.java
index 444a48b..33c79f2 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Cancel.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Cancel.java
@@ -37,7 +37,6 @@
      * Constructor.
      */
     public Cancel() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Else.java b/src/main/java/org/apache/commons/scxml2/model/Else.java
index 76ad3d5..2ad5a6f 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Else.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Else.java
@@ -32,7 +32,6 @@
      * &lt;else/&gt; is equivalent to &lt;elseif cond="true" /&gt;.
      */
     public Else() {
-        super();
         setCond("true");
     }
 
diff --git a/src/main/java/org/apache/commons/scxml2/model/ElseIf.java b/src/main/java/org/apache/commons/scxml2/model/ElseIf.java
index 2af1149..4d0e703 100644
--- a/src/main/java/org/apache/commons/scxml2/model/ElseIf.java
+++ b/src/main/java/org/apache/commons/scxml2/model/ElseIf.java
@@ -40,7 +40,6 @@
      * Constructor.
      */
     public ElseIf() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Final.java b/src/main/java/org/apache/commons/scxml2/model/Final.java
index bfc0a8e..4ca71aa 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Final.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Final.java
@@ -46,7 +46,6 @@
      * Default no-args constructor.
      */
     public Final() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Finalize.java b/src/main/java/org/apache/commons/scxml2/model/Finalize.java
index 8ba5591..3092161 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Finalize.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Finalize.java
@@ -32,7 +32,6 @@
      * Default no-args constructor.
      */
     public Finalize() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/History.java b/src/main/java/org/apache/commons/scxml2/model/History.java
index 4166f44..210e0d3 100644
--- a/src/main/java/org/apache/commons/scxml2/model/History.java
+++ b/src/main/java/org/apache/commons/scxml2/model/History.java
@@ -44,7 +44,6 @@
      * Default no-args constructor
      */
     public History() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/If.java b/src/main/java/org/apache/commons/scxml2/model/If.java
index 0243bd9..d8a8fc7 100644
--- a/src/main/java/org/apache/commons/scxml2/model/If.java
+++ b/src/main/java/org/apache/commons/scxml2/model/If.java
@@ -63,7 +63,6 @@
      * Constructor.
      */
     public If() {
-        super();
         this.actions = new ArrayList<>();
         this.execute = false;
     }
diff --git a/src/main/java/org/apache/commons/scxml2/model/Initial.java b/src/main/java/org/apache/commons/scxml2/model/Initial.java
index 5b4eac1..ab34738 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Initial.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Initial.java
@@ -51,7 +51,6 @@
      * Constructor.
      */
     public Initial() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Log.java b/src/main/java/org/apache/commons/scxml2/model/Log.java
index e259943..d606b3d 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Log.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Log.java
@@ -48,7 +48,6 @@
      * Constructor.
      */
     public Log() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/ModelException.java b/src/main/java/org/apache/commons/scxml2/model/ModelException.java
index de69654..687f57d 100644
--- a/src/main/java/org/apache/commons/scxml2/model/ModelException.java
+++ b/src/main/java/org/apache/commons/scxml2/model/ModelException.java
@@ -33,7 +33,6 @@
      * @see java.lang.Exception#Exception()
      */
     public ModelException() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/OnEntry.java b/src/main/java/org/apache/commons/scxml2/model/OnEntry.java
index 3756a2c..6abdb9e 100644
--- a/src/main/java/org/apache/commons/scxml2/model/OnEntry.java
+++ b/src/main/java/org/apache/commons/scxml2/model/OnEntry.java
@@ -39,7 +39,6 @@
      * Constructor.
      */
     public OnEntry() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/OnExit.java b/src/main/java/org/apache/commons/scxml2/model/OnExit.java
index c34456a..17074e7 100644
--- a/src/main/java/org/apache/commons/scxml2/model/OnExit.java
+++ b/src/main/java/org/apache/commons/scxml2/model/OnExit.java
@@ -39,7 +39,6 @@
      * Constructor.
      */
     public OnExit() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Raise.java b/src/main/java/org/apache/commons/scxml2/model/Raise.java
index 9fa2aad..fc200f7 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Raise.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Raise.java
@@ -43,7 +43,6 @@
      * Constructor.
      */
     public Raise() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/Script.java b/src/main/java/org/apache/commons/scxml2/model/Script.java
index 22f30c7..76785b8 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Script.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Script.java
@@ -42,7 +42,6 @@
      * Constructor.
      */
     public Script() {
-        super();
     }
 
     public boolean isGlobalScript() {
diff --git a/src/main/java/org/apache/commons/scxml2/model/Send.java b/src/main/java/org/apache/commons/scxml2/model/Send.java
index 5bd7bcc..813809c 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Send.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Send.java
@@ -143,7 +143,6 @@
      * Constructor.
      */
     public Send() {
-        super();
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/scxml2/model/SimpleTransition.java b/src/main/java/org/apache/commons/scxml2/model/SimpleTransition.java
index 8a427a5..4f24af0 100644
--- a/src/main/java/org/apache/commons/scxml2/model/SimpleTransition.java
+++ b/src/main/java/org/apache/commons/scxml2/model/SimpleTransition.java
@@ -77,7 +77,6 @@
      * Constructor.
      */
     public SimpleTransition() {
-        super();
         this.targets = new HashSet<>();
     }
 
diff --git a/src/main/java/org/apache/commons/scxml2/model/Transition.java b/src/main/java/org/apache/commons/scxml2/model/Transition.java
index 69f5d38..4c01d5a 100644
--- a/src/main/java/org/apache/commons/scxml2/model/Transition.java
+++ b/src/main/java/org/apache/commons/scxml2/model/Transition.java
@@ -64,7 +64,6 @@
      * Constructor.
      */
     public Transition() {
-        super();
     }
 
 
diff --git a/src/main/java/org/apache/commons/scxml2/model/TransitionTarget.java b/src/main/java/org/apache/commons/scxml2/model/TransitionTarget.java
index 0faf3bb..022ed78 100644
--- a/src/main/java/org/apache/commons/scxml2/model/TransitionTarget.java
+++ b/src/main/java/org/apache/commons/scxml2/model/TransitionTarget.java
@@ -50,7 +50,6 @@
      * Constructor.
      */
     public TransitionTarget() {
-        super();
         parent = null;
     }
 
diff --git a/src/main/java/org/apache/commons/scxml2/semantics/ErrorConstants.java b/src/main/java/org/apache/commons/scxml2/semantics/ErrorConstants.java
index a3f9abb..ec1b89f 100644
--- a/src/main/java/org/apache/commons/scxml2/semantics/ErrorConstants.java
+++ b/src/main/java/org/apache/commons/scxml2/semantics/ErrorConstants.java
@@ -70,8 +70,7 @@
     /**
      * Discourage instantiation.
      */
-    private ErrorConstants() {
-        super(); // humor checkstyle
+    private ErrorConstants() { // humor checkstyle
     }
 
 }
diff --git a/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java b/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java
index dedebc1..0c1bd5b 100644
--- a/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java
+++ b/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java
@@ -63,7 +63,6 @@
      * Discourage instantiation since this is a utility class.
      */
     private StandaloneJexlExpressions() {
-        super();
     }
 
 }
diff --git a/src/main/java/org/apache/commons/scxml2/test/StandaloneUtils.java b/src/main/java/org/apache/commons/scxml2/test/StandaloneUtils.java
index 44034e6..9695e47 100644
--- a/src/main/java/org/apache/commons/scxml2/test/StandaloneUtils.java
+++ b/src/main/java/org/apache/commons/scxml2/test/StandaloneUtils.java
@@ -155,7 +155,6 @@
      * Discourage instantiation since this is a utility class.
      */
     private StandaloneUtils() {
-        super();
     }
 
 }
diff --git a/src/test/java/org/apache/commons/scxml2/SCXMLTestHelper.java b/src/test/java/org/apache/commons/scxml2/SCXMLTestHelper.java
index 65911f8..0ed3d97 100644
--- a/src/test/java/org/apache/commons/scxml2/SCXMLTestHelper.java
+++ b/src/test/java/org/apache/commons/scxml2/SCXMLTestHelper.java
@@ -262,6 +262,5 @@
      * Discourage instantiation.
      */
     private SCXMLTestHelper() {
-        super();
     }
 }
diff --git a/src/test/java/org/apache/commons/scxml2/model/Hello.java b/src/test/java/org/apache/commons/scxml2/model/Hello.java
index 261de89..bcdfb19 100644
--- a/src/test/java/org/apache/commons/scxml2/model/Hello.java
+++ b/src/test/java/org/apache/commons/scxml2/model/Hello.java
@@ -33,7 +33,6 @@
 
     /** Public constructor is needed for the I in SCXML IO. */
     public Hello() {
-        super();
     }
 
     /**