diff --git a/core/src/main/java/org/elasticsearch/Version.java b/core/src/main/java/org/elasticsearch/Version.java
index 83f9405f74c..bf29afa0f13 100644
--- a/core/src/main/java/org/elasticsearch/Version.java
+++ b/core/src/main/java/org/elasticsearch/Version.java
@@ -112,8 +112,6 @@ public class Version implements Comparable<Version> {
     public static final Version V_5_2_1_UNRELEASED = new Version(V_5_2_1_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_3_0);
     public static final int V_5_3_0_ID_UNRELEASED = 5030099;
     public static final Version V_5_3_0_UNRELEASED = new Version(V_5_3_0_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_4_0);
-    public static final int V_5_4_0_ID_UNRELEASED = 5040099;
-    public static final Version V_5_4_0_UNRELEASED = new Version(V_5_4_0_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_4_0);
     public static final int V_6_0_0_alpha1_ID_UNRELEASED = 6000001;
     public static final Version V_6_0_0_alpha1_UNRELEASED =
         new Version(V_6_0_0_alpha1_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_4_0);
@@ -134,8 +132,6 @@ public class Version implements Comparable<Version> {
         switch (id) {
             case V_6_0_0_alpha1_ID_UNRELEASED:
                 return V_6_0_0_alpha1_UNRELEASED;
-            case V_5_4_0_ID_UNRELEASED:
-                return V_5_4_0_UNRELEASED;
             case V_5_3_0_ID_UNRELEASED:
                 return V_5_3_0_UNRELEASED;
             case V_5_2_1_ID_UNRELEASED: