Remove unused imports.
diff --git a/src/test/java/org/apache/commons/scxml2/env/javascript/JSExampleTest.java b/src/test/java/org/apache/commons/scxml2/env/javascript/JSExampleTest.java
index 68703b5..f28e32e 100644
--- a/src/test/java/org/apache/commons/scxml2/env/javascript/JSExampleTest.java
+++ b/src/test/java/org/apache/commons/scxml2/env/javascript/JSExampleTest.java
@@ -22,7 +22,6 @@
import java.util.Set;
import org.apache.commons.scxml2.SCXMLExecutor;
-import org.apache.commons.scxml2.SCXMLExpressionException;
import org.apache.commons.scxml2.SCXMLTestHelper;
import org.apache.commons.scxml2.TriggerEvent;
import org.apache.commons.scxml2.EventBuilder;
@@ -30,7 +29,6 @@
import org.apache.commons.scxml2.ActionExecutionContext;
import org.apache.commons.scxml2.model.CustomAction;
import org.apache.commons.scxml2.model.EnterableState;
-import org.apache.commons.scxml2.model.ModelException;
import org.apache.commons.scxml2.model.SCXML;
import org.junit.jupiter.api.Assertions;
diff --git a/src/test/java/org/apache/commons/scxml2/io/SCXMLReaderTest.java b/src/test/java/org/apache/commons/scxml2/io/SCXMLReaderTest.java
index d63e03f..d617ee8 100644
--- a/src/test/java/org/apache/commons/scxml2/io/SCXMLReaderTest.java
+++ b/src/test/java/org/apache/commons/scxml2/io/SCXMLReaderTest.java
@@ -30,7 +30,6 @@
import org.apache.commons.logging.impl.LogFactoryImpl;
import org.apache.commons.logging.impl.SimpleLog;
import org.apache.commons.scxml2.ActionExecutionContext;
-import org.apache.commons.scxml2.SCXMLExpressionException;
import org.apache.commons.scxml2.SCXMLTestHelper;
import org.apache.commons.scxml2.io.SCXMLReader.Configuration;
import org.apache.commons.scxml2.model.Action;
diff --git a/src/test/java/org/apache/commons/scxml2/io/SCXMLWriterTest.java b/src/test/java/org/apache/commons/scxml2/io/SCXMLWriterTest.java
index d1eb442..f38f7b5 100644
--- a/src/test/java/org/apache/commons/scxml2/io/SCXMLWriterTest.java
+++ b/src/test/java/org/apache/commons/scxml2/io/SCXMLWriterTest.java
@@ -20,7 +20,6 @@
import java.util.LinkedHashMap;
import org.apache.commons.scxml2.model.CommonsSCXML;
-import org.apache.commons.scxml2.model.ModelException;
import org.apache.commons.scxml2.model.Parallel;
import org.apache.commons.scxml2.model.SCXML;
import org.apache.commons.scxml2.model.Script;
diff --git a/src/test/java/org/apache/commons/scxml2/issues/Issue112Test.java b/src/test/java/org/apache/commons/scxml2/issues/Issue112Test.java
index 6ddd114..e6bffda 100644
--- a/src/test/java/org/apache/commons/scxml2/issues/Issue112Test.java
+++ b/src/test/java/org/apache/commons/scxml2/issues/Issue112Test.java
@@ -23,11 +23,9 @@
import org.apache.commons.scxml2.ActionExecutionContext;
import org.apache.commons.scxml2.SCXMLExecutor;
-import org.apache.commons.scxml2.SCXMLExpressionException;
import org.apache.commons.scxml2.SCXMLTestHelper;
import org.apache.commons.scxml2.model.Action;
import org.apache.commons.scxml2.model.CustomAction;
-import org.apache.commons.scxml2.model.ModelException;
import org.apache.commons.scxml2.model.SCXML;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
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 32e00a3..66d8298 100644
--- a/src/test/java/org/apache/commons/scxml2/model/Hello.java
+++ b/src/test/java/org/apache/commons/scxml2/model/Hello.java
@@ -17,7 +17,6 @@
package org.apache.commons.scxml2.model;
import org.apache.commons.scxml2.ActionExecutionContext;
-import org.apache.commons.scxml2.SCXMLExpressionException;
import org.apache.commons.scxml2.TriggerEvent;
import org.apache.commons.scxml2.EventBuilder;
