diff --git a/server/src/main/java/org/elasticsearch/TransportVersions.java b/server/src/main/java/org/elasticsearch/TransportVersions.java
index 9eb7dc493e410..87940a814d8ce 100644
--- a/server/src/main/java/org/elasticsearch/TransportVersions.java
+++ b/server/src/main/java/org/elasticsearch/TransportVersions.java
@@ -203,10 +203,6 @@ static TransportVersion def(int id) {
     public static final TransportVersion ESQL_FIXED_INDEX_LIKE_8_19 = def(8_841_0_64);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19_4 = def(8_841_0_68);
     public static final TransportVersion V_9_0_0 = def(9_000_0_09);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_1 = def(9_000_0_10);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_2 = def(9_000_0_11);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_3 = def(9_000_0_12);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_4 = def(9_000_0_13);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_7 = def(9_000_0_16);
     public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED = def(9_001_0_00);
     public static final TransportVersion REMOVE_SNAPSHOT_FAILURES = def(9_002_0_00);
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_1.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_1.csv
new file mode 100644
index 0000000000000..e44cd11885072
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_1.csv
@@ -0,0 +1 @@
+9000010
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_2.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_2.csv
new file mode 100644
index 0000000000000..905418ca25b3a
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_2.csv
@@ -0,0 +1 @@
+9000011
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_3.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_3.csv
new file mode 100644
index 0000000000000..d5a7a223b3bb5
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_3.csv
@@ -0,0 +1 @@
+9000012
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_4.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_4.csv
new file mode 100644
index 0000000000000..d545a0a869b61
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_4.csv
@@ -0,0 +1 @@
+9000013