diff --git a/pom.xml b/pom.xml
index 6673ff8bcc..41b8f8edd7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -124,12 +124,6 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
       <artifactId>twitter4j-core</artifactId>
       <version>4.0.7</version>
     </dependency>
-    <dependency>
-      <groupId>org.hamcrest</groupId>
-      <artifactId>hamcrest</artifactId>
-      <version>2.2</version>
-      <scope>compile</scope>
-    </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
@@ -230,11 +224,6 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
       <version>6.0.20.Final</version>
       <scope>runtime</scope>
     </dependency>
-    <dependency>
-      <groupId>com.jcabi</groupId>
-      <artifactId>jcabi-matchers</artifactId>
-      <version>1.6.0</version>
-    </dependency>
     <dependency>
       <groupId>com.jcabi</groupId>
       <artifactId>jcabi-xml</artifactId>
diff --git a/src/main/java/com/rultor/agents/github/qtn/QnMerge.java b/src/main/java/com/rultor/agents/github/qtn/QnMerge.java
index cc9de62649..29ab0968a8 100644
--- a/src/main/java/com/rultor/agents/github/qtn/QnMerge.java
+++ b/src/main/java/com/rultor/agents/github/qtn/QnMerge.java
@@ -41,7 +41,6 @@
 import com.rultor.agents.github.Req;
 import java.io.IOException;
 import java.net.URI;
-import java.util.Collection;
 import java.util.ResourceBundle;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -180,7 +179,8 @@ private static Req pack(final Comment.Smart comment,
      * @return True if all checks are successful
      * @throws IOException If fails
      */
-    private static boolean allChecksSuccessful(final Pull pull) throws IOException {
+    private static boolean allChecksSuccessful(final Pull pull)
+        throws IOException {
         boolean result = true;
         for (final Check check : pull.checks().all()) {
             if (!check.successful()) {
diff --git a/src/test/java/com/rultor/agents/github/qtn/QnMergeTest.java b/src/test/java/com/rultor/agents/github/qtn/QnMergeTest.java
index 510a735c59..b2fe47c26d 100644
--- a/src/test/java/com/rultor/agents/github/qtn/QnMergeTest.java
+++ b/src/test/java/com/rultor/agents/github/qtn/QnMergeTest.java
@@ -30,7 +30,6 @@
 package com.rultor.agents.github.qtn;
 
 import com.jcabi.github.Check;
-import com.jcabi.github.Checks;
 import com.jcabi.github.Comment;
 import com.jcabi.github.Comments;
 import com.jcabi.github.Pull;
@@ -39,7 +38,6 @@
 import com.jcabi.github.mock.MkChecks;
 import com.jcabi.github.mock.MkGithub;
 import com.jcabi.matchers.XhtmlMatchers;
-import com.rultor.agents.github.Req;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -47,9 +45,7 @@
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
-import org.mockito.Mockito;
 import org.xembly.Directives;
 import org.xembly.Xembler;
 
@@ -79,7 +75,11 @@ final class QnMergeTest {
      * All pull request comments.
      */
     private transient Comments comments;
-    private Pull pull;
+
+    /**
+     * Pull request.
+     */
+    private transient Pull pull;
 
     /**
      * Initial phase for all tests.
@@ -93,15 +93,16 @@ public void setUp() throws IOException {
         final String base = "base";
         branches.create(head, "abcdef4");
         branches.create(base, "abcdef5");
-        pull = repo.pulls().create("", head, base);
+        this.pull = repo.pulls().create("", head, base);
         this.comments = repo.issues()
-            .get(pull.number())
+            .get(this.pull.number())
             .comments();
     }
 
     /**
      * QnMerge can build a request.
-     * @throws Exception In case of error.
+     *
+     * @throws Exception In case of error
      */
     @Test
     public void buildsRequest() throws Exception {
@@ -136,10 +137,13 @@ public void buildsRequest() throws Exception {
     /**
      * QnMerge can not build a request because some GitHub checks
      *  were failed.
-     * @throws Exception In case of error
+     *
+     * @throws IOException In case of I/O error
+     * @throws URISyntaxException In case of URI error
      */
     @Test
-    public void stopsBecauseCiChecksFailed() throws Exception {
+    public void stopsBecauseCiChecksFailed()
+        throws IOException, URISyntaxException {
         final MkChecks checks = (MkChecks) this.pull.checks();
         checks.create(Check.Status.IN_PROGRESS, Check.Conclusion.SUCCESS);
         this.mergeRequest();
@@ -155,8 +159,15 @@ public void stopsBecauseCiChecksFailed() throws Exception {
         );
     }
 
+    /**
+     * QnMerge can build a request because GitHub checks finished successfully.
+     *
+     * @throws IOException In case of I/O error
+     * @throws URISyntaxException In case of URI error
+     */
     @Test
-    public void continuesBecauseCiChecksSuccessful() throws Exception {
+    public void continuesBecauseCiChecksSuccessful()
+        throws IOException, URISyntaxException {
         final MkChecks checks = (MkChecks) this.pull.checks();
         checks.create(Check.Status.COMPLETED, Check.Conclusion.SUCCESS);
         this.mergeRequest();
@@ -167,7 +178,10 @@ public void continuesBecauseCiChecksSuccessful() throws Exception {
         MatcherAssert.assertThat(
             new Comment.Smart(this.comments.get(2)).body(),
             Matchers.containsString(
-                String.format(QnMergeTest.PHRASES.getString("QnMerge.start"), "#")
+                String.format(
+                    QnMergeTest.PHRASES.getString("QnMerge.start"),
+                    "#"
+                )
             )
         );
     }