diff --git a/core/src/test/java/org/elasticsearch/index/percolator/ExtractQueryTermsServiceTests.java b/core/src/test/java/org/elasticsearch/index/percolator/ExtractQueryTermsServiceTests.java
index 152c81fae32..572eb1b46c1 100644
--- a/core/src/test/java/org/elasticsearch/index/percolator/ExtractQueryTermsServiceTests.java
+++ b/core/src/test/java/org/elasticsearch/index/percolator/ExtractQueryTermsServiceTests.java
@@ -41,16 +41,13 @@ import org.elasticsearch.test.ESTestCase;
 
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
 import static org.hamcrest.Matchers.equalTo;
-import static org.hamcrest.Matchers.hasKey;
 import static org.hamcrest.Matchers.instanceOf;
-import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.Matchers.sameInstance;
 
 public class ExtractQueryTermsServiceTests extends ESTestCase {
@@ -256,7 +253,7 @@ public class ExtractQueryTermsServiceTests extends ESTestCase {
         }
 
         TermQuery termQuery1 = new TermQuery(new Term("_field", "_term"));
-        BooleanQuery.Builder builder = new BooleanQuery.Builder();;
+        BooleanQuery.Builder builder = new BooleanQuery.Builder();
         builder.add(termQuery1, BooleanClause.Occur.SHOULD);
         builder.add(termRangeQuery, BooleanClause.Occur.SHOULD);
         BooleanQuery bq = builder.build();
diff --git a/core/src/test/java/org/elasticsearch/index/query/PercolatorQueryTests.java b/core/src/test/java/org/elasticsearch/index/query/PercolatorQueryTests.java
index 789b61721b5..cbcfba55b97 100644
--- a/core/src/test/java/org/elasticsearch/index/query/PercolatorQueryTests.java
+++ b/core/src/test/java/org/elasticsearch/index/query/PercolatorQueryTests.java
@@ -36,7 +36,6 @@ import org.apache.lucene.queries.BlendedTermQuery;
 import org.apache.lucene.queries.CommonTermsQuery;
 import org.apache.lucene.search.BooleanClause;
 import org.apache.lucene.search.BooleanQuery;
-import org.apache.lucene.search.Explanation;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.MatchAllDocsQuery;
 import org.apache.lucene.search.PhraseQuery;
@@ -61,8 +60,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 import static org.hamcrest.Matchers.equalTo;
-import static org.hamcrest.Matchers.is;
-import static org.hamcrest.Matchers.not;
 
 public class PercolatorQueryTests extends ESTestCase {
 
@@ -185,7 +182,7 @@ public class PercolatorQueryTests extends ESTestCase {
         }
     }
 
-    public void testDuel_specificQueries() throws Exception {
+    public void testDuelSpecificQueries() throws Exception {
         CommonTermsQuery commonTermsQuery = new CommonTermsQuery(BooleanClause.Occur.SHOULD, BooleanClause.Occur.SHOULD, 128);
         commonTermsQuery.add(new Term("field", "quick"));
         commonTermsQuery.add(new Term("field", "brown"));
diff --git a/core/src/test/java/org/elasticsearch/search/percolator/PercolatorQuerySearchIT.java b/core/src/test/java/org/elasticsearch/search/percolator/PercolatorQuerySearchIT.java
index 57705456182..fc2a6d02b8b 100644
--- a/core/src/test/java/org/elasticsearch/search/percolator/PercolatorQuerySearchIT.java
+++ b/core/src/test/java/org/elasticsearch/search/percolator/PercolatorQuerySearchIT.java
@@ -24,7 +24,6 @@ import org.elasticsearch.index.percolator.PercolatorFieldMapper;
 import org.elasticsearch.index.query.MultiMatchQueryBuilder;
 import org.elasticsearch.search.highlight.HighlightBuilder;
 import org.elasticsearch.search.sort.SortOrder;
-import org.elasticsearch.test.ESIntegTestCase;
 import org.elasticsearch.test.ESSingleNodeTestCase;
 
 import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
@@ -154,7 +153,7 @@ public class PercolatorQuerySearchIT extends ESSingleNodeTestCase {
         assertThat(searchResponse.getHits().getAt(3).getHighlightFields().get("field1").fragments()[0].string(),
                 equalTo("The quick brown fox jumps over the lazy <em>dog</em>"));
         assertThat(searchResponse.getHits().getAt(4).getHighlightFields().get("field1").fragments()[0].string(),
-                equalTo("The quick brown <em>fox</em> jumps over the lazy dog"));;
+                equalTo("The quick brown <em>fox</em> jumps over the lazy dog"));
     }
 
 }