diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/FetchGitUpdateProcessingTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/FetchGitUpdateProcessingTest.java
index 68044b4..5a26054 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/FetchGitUpdateProcessingTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/FetchGitUpdateProcessingTest.java
@@ -47,8 +47,7 @@
   }
 
   @Test
-  public void headRefReplicatedInGitUpdateProcessing()
-      throws URISyntaxException, PermissionBackendException {
+  public void headRefReplicatedInGitUpdateProcessing() throws PermissionBackendException {
     FetchRefReplicatedEvent expectedEvent =
         new FetchRefReplicatedEvent(
             "someProject",
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/PullReplicationIT.java b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/PullReplicationIT.java
index f3c62c5..86b22b2 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/PullReplicationIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/PullReplicationIT.java
@@ -336,7 +336,6 @@
     BranchInput input = new BranchInput();
     input.revision = master;
     gApi.projects().name(testProjectName).branch(newBranch).create(input);
-    String branchRevision = gApi.projects().name(testProjectName).branch(newBranch).get().revision;
 
     ReplicationQueue pullReplicationQueue =
         plugin.getSysInjector().getInstance(ReplicationQueue.class);
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueueTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueueTest.java
index 0743cb9..927aec2 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueueTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueueTest.java
@@ -45,7 +45,6 @@
 import com.googlesource.gerrit.plugins.replication.ReplicationConfig;
 import com.googlesource.gerrit.plugins.replication.ReplicationFileBasedConfig;
 import com.googlesource.gerrit.plugins.replication.pull.api.data.RevisionData;
-import com.googlesource.gerrit.plugins.replication.pull.api.exception.RefUpdateException;
 import com.googlesource.gerrit.plugins.replication.pull.client.FetchApiClient;
 import com.googlesource.gerrit.plugins.replication.pull.client.FetchRestApiClient;
 import com.googlesource.gerrit.plugins.replication.pull.client.HttpResult;
@@ -206,7 +205,7 @@
 
   @Test
   public void shouldFallbackToCallFetchWhenIOException()
-      throws ClientProtocolException, IOException, LargeObjectException, RefUpdateException {
+      throws ClientProtocolException, IOException, LargeObjectException {
     Event event = new TestEvent("refs/changes/01/1/meta");
     objectUnderTest.start();
 
@@ -219,7 +218,7 @@
 
   @Test
   public void shouldFallbackToCallFetchWhenLargeRef()
-      throws ClientProtocolException, IOException, LargeObjectException, RefUpdateException {
+      throws ClientProtocolException, IOException, LargeObjectException {
     Event event = new TestEvent("refs/changes/01/1/1");
     objectUnderTest.start();
 
@@ -307,7 +306,7 @@
   }
 
   @Test
-  public void shouldCallDeleteWhenReplicateProjectDeletionsTrue() throws IOException {
+  public void shouldCallDeleteWhenReplicateProjectDeletionsTrue() {
     when(source.wouldDeleteProject(any())).thenReturn(true);
 
     String projectName = "testProject";
@@ -323,7 +322,7 @@
   }
 
   @Test
-  public void shouldNotCallDeleteWhenProjectNotToDelete() throws IOException {
+  public void shouldNotCallDeleteWhenProjectNotToDelete() {
     when(source.wouldDeleteProject(any())).thenReturn(false);
 
     FakeProjectDeletedEvent event = new FakeProjectDeletedEvent("testProject");
@@ -335,7 +334,7 @@
   }
 
   @Test
-  public void shouldScheduleUpdateHeadWhenWouldFetchProject() throws IOException {
+  public void shouldScheduleUpdateHeadWhenWouldFetchProject() {
     when(source.wouldFetchProject(any())).thenReturn(true);
 
     String projectName = "aProject";
@@ -351,7 +350,7 @@
   }
 
   @Test
-  public void shouldNotScheduleUpdateHeadWhenNotWouldFetchProject() throws IOException {
+  public void shouldNotScheduleUpdateHeadWhenNotWouldFetchProject() {
     when(source.wouldFetchProject(any())).thenReturn(false);
 
     String projectName = "aProject";
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ActionITBase.java b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ActionITBase.java
index 20c1fea..e638653 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ActionITBase.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ActionITBase.java
@@ -163,7 +163,7 @@
   }
 
   public ResponseHandler<Object> assertHttpResponseCode(int responseCode) {
-    return new ResponseHandler<Object>() {
+    return new ResponseHandler<>() {
 
       @Override
       public Object handleResponse(HttpResponse response)
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ApplyObjectCommandTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ApplyObjectCommandTest.java
index 9b5ef46..4c188df 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ApplyObjectCommandTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/pull/api/ApplyObjectCommandTest.java
@@ -64,7 +64,6 @@
 
   private String sampleCommitObjectId = "9f8d52853089a3cf00c02ff7bd0817bd4353a95a";
   private String sampleTreeObjectId = "4b825dc642cb6eb9a060e54bf8d69288fbee4904";
-  private String sampleBlobObjectId = "b5d7bcf1d1c5b0f0726d10a16c8315f06f900bfb";
 
   @Mock private PullReplicationStateLogger fetchStateLog;
   @Mock private ApplyObject applyObject;