diff --git a/src/test/java/org/jenkinsci/plugins/parallel_test_executor/DontBuildBranchBuildStrategy.java b/src/test/java/org/jenkinsci/plugins/parallel_test_executor/DontBuildBranchBuildStrategy.java
index b1a4ab59..614abb96 100644
--- a/src/test/java/org/jenkinsci/plugins/parallel_test_executor/DontBuildBranchBuildStrategy.java
+++ b/src/test/java/org/jenkinsci/plugins/parallel_test_executor/DontBuildBranchBuildStrategy.java
@@ -5,16 +5,9 @@
 import jenkins.branch.BranchBuildStrategyDescriptor;
 import jenkins.scm.api.SCMHead;
 import jenkins.scm.api.SCMSource;
-import net.sf.json.JSONObject;
-import org.kohsuke.stapler.StaplerRequest;
-
-import javax.annotation.CheckForNull;
-import javax.annotation.Nonnull;
 
 public class DontBuildBranchBuildStrategy extends BranchBuildStrategy {
 
-  static final DontBuildBranchBuildStrategy INSTANCE = new DontBuildBranchBuildStrategy();
-
   @Override
   public boolean isAutomaticBuild(SCMSource source, SCMHead head) {
     // never ever build automatically
@@ -22,16 +15,5 @@ public boolean isAutomaticBuild(SCMSource source, SCMHead head) {
   }
 
   @Extension
-  public static class DescriptorImpl extends BranchBuildStrategyDescriptor {
-    @Nonnull
-    @Override
-    public String getDisplayName() {
-      return "Hello";
-    }
-
-    @Override
-    public BranchBuildStrategy newInstance(@CheckForNull StaplerRequest req, @Nonnull JSONObject formData) throws FormException {
-      return INSTANCE;
-    }
-  }
+  public static class DescriptorImpl extends BranchBuildStrategyDescriptor { }
 }
diff --git a/src/test/java/org/jenkinsci/plugins/parallel_test_executor/ParallelTestExecutorTest.java b/src/test/java/org/jenkinsci/plugins/parallel_test_executor/ParallelTestExecutorTest.java
index baf19ccf..ae4a600e 100644
--- a/src/test/java/org/jenkinsci/plugins/parallel_test_executor/ParallelTestExecutorTest.java
+++ b/src/test/java/org/jenkinsci/plugins/parallel_test_executor/ParallelTestExecutorTest.java
@@ -1,17 +1,13 @@
 package org.jenkinsci.plugins.parallel_test_executor;
 
-import hudson.Extension;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
 import hudson.model.FreeStyleProject;
 import jenkins.branch.BranchBuildStrategy;
-import jenkins.branch.BranchBuildStrategyDescriptor;
 import jenkins.branch.BranchSource;
-import jenkins.branch.MultiBranchProject;
 import jenkins.plugins.git.GitSCMSource;
 import jenkins.plugins.git.GitSampleRepoRule;
-import jenkins.scm.api.SCMHead;
-import jenkins.scm.api.SCMSource;
-import jenkins.scm.api.SCMSourceDescriptor;
-import net.sf.json.JSONObject;
 import org.jenkinsci.plugins.workflow.cps.CpsFlowDefinition;
 import org.jenkinsci.plugins.workflow.cps.SnippetizerTester;
 import org.jenkinsci.plugins.workflow.job.WorkflowJob;
@@ -21,17 +17,8 @@
 import org.junit.Test;
 import org.jvnet.hudson.test.JenkinsRule;
 import org.jvnet.hudson.test.recipes.LocalData;
-import org.kohsuke.stapler.StaplerRequest;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-import java.io.Serializable;
 import java.util.ArrayList;
-import java.util.Arrays;
-
-import javax.annotation.CheckForNull;
-import javax.annotation.Nonnull;
 
 public class ParallelTestExecutorTest {