diff --git a/README.md b/README.md
index 617e080..1c41a0f 100644
--- a/README.md
+++ b/README.md
@@ -10,16 +10,9 @@ Versions
 
 IK version | ES version
 -----------|-----------
-master | 6.x -> master
-6.3.0| 6.3.0
-6.2.4| 6.2.4
-6.1.3| 6.1.3
-5.6.8| 5.6.8
-5.5.3| 5.5.3
-5.4.3| 5.4.3
-5.3.3| 5.3.3
-5.2.2| 5.2.2
-5.1.2| 5.1.2
+master | 7.x -> master
+6.x| 6.x
+5.x| 5.x
 1.10.6 | 2.4.6
 1.9.5 | 2.3.5
 1.8.1 | 2.2.1
diff --git a/pom.xml b/pom.xml
index 32fb4e1..b734e39 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
     <inceptionYear>2011</inceptionYear>
 
     <properties>
-        <elasticsearch.version>6.5.0</elasticsearch.version>
+        <elasticsearch.version>7.0.0</elasticsearch.version>
         <maven.compiler.target>1.8</maven.compiler.target>
         <elasticsearch.assembly.descriptor>${project.basedir}/src/main/assemblies/plugin.xml</elasticsearch.assembly.descriptor>
         <elasticsearch.plugin.name>analysis-ik</elasticsearch.plugin.name>
diff --git a/src/main/java/org/elasticsearch/index/analysis/IkTokenizerFactory.java b/src/main/java/org/elasticsearch/index/analysis/IkTokenizerFactory.java
index 17d0980..abe4fa1 100644
--- a/src/main/java/org/elasticsearch/index/analysis/IkTokenizerFactory.java
+++ b/src/main/java/org/elasticsearch/index/analysis/IkTokenizerFactory.java
@@ -11,7 +11,7 @@ public class IkTokenizerFactory extends AbstractTokenizerFactory {
   private Configuration configuration;
 
   public IkTokenizerFactory(IndexSettings indexSettings, Environment env, String name, Settings settings) {
-      super(indexSettings, name, settings);
+      super(indexSettings, settings);
 	  configuration=new Configuration(env,settings);
   }