diff --git a/src/test/java/hudson/plugins/jira/JiraEnvironmentVariableBuilderTest.java b/src/test/java/hudson/plugins/jira/JiraEnvironmentVariableBuilderTest.java
index 4aba70e5..3a79f0be 100644
--- a/src/test/java/hudson/plugins/jira/JiraEnvironmentVariableBuilderTest.java
+++ b/src/test/java/hudson/plugins/jira/JiraEnvironmentVariableBuilderTest.java
@@ -4,7 +4,7 @@
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
@@ -27,7 +27,6 @@
 import java.io.PrintStream;
 import java.util.Arrays;
 import java.util.LinkedHashSet;
-import org.junit.Rule;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.jvnet.hudson.test.JenkinsRule;
@@ -57,9 +56,6 @@ class JiraEnvironmentVariableBuilderTest {
     PrintStream logger;
     Node node;
 
-    @Rule
-    JenkinsRule jenkinsRule = new JenkinsRule();
-
     @BeforeEach
     void createMocks() throws IOException, InterruptedException {
         build = mock(AbstractBuild.class);