diff --git a/server/src/main/java/org/elasticsearch/TransportVersions.java b/server/src/main/java/org/elasticsearch/TransportVersions.java
index cc2edee43fcb5..7d426de3ea4f0 100644
--- a/server/src/main/java/org/elasticsearch/TransportVersions.java
+++ b/server/src/main/java/org/elasticsearch/TransportVersions.java
@@ -87,17 +87,10 @@ static TransportVersion def(int id) {
     public static final TransportVersion V_8_16_1 = def(8_772_0_04);
     public static final TransportVersion V_8_16_5 = def(8_772_0_05);
     public static final TransportVersion V_8_16_6 = def(8_772_0_06);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_16_7 = def(8_772_0_07);
     public static final TransportVersion V_8_17_0 = def(8_797_0_02);
     public static final TransportVersion V_8_17_3 = def(8_797_0_03);
     public static final TransportVersion V_8_17_4 = def(8_797_0_04);
     public static final TransportVersion V_8_17_5 = def(8_797_0_05);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_17_6 = def(8_797_0_06);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_17_7 = def(8_797_0_07);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_17_8 = def(8_797_0_08);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_17_9 = def(8_797_0_09);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_17_10 = def(8_797_0_10);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_17_11 = def(8_797_0_11);
     public static final TransportVersion INDEXING_PRESSURE_THROTTLING_STATS = def(8_798_0_00);
     public static final TransportVersion REINDEX_DATA_STREAMS = def(8_799_0_00);
     public static final TransportVersion ESQL_REMOVE_NODE_LEVEL_PLAN = def(8_800_0_00);
@@ -143,10 +136,6 @@ static TransportVersion def(int id) {
     public static final TransportVersion ML_INFERENCE_IBM_WATSONX_RERANK_ADDED = def(8_840_0_00);
     public static final TransportVersion REMOVE_ALL_APPLICABLE_SELECTOR_BACKPORT_8_18 = def(8_840_0_01);
     public static final TransportVersion V_8_18_0 = def(8_840_0_02);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_1 = def(8_840_0_03);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_2 = def(8_840_0_04);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_3 = def(8_840_0_05);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_4 = def(8_840_0_06);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_7 = def(8_840_0_09);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19 = def(8_841_0_00);
     public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED_BACKPORT_8_X = def(8_841_0_01);
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_16_7.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_16_7.csv
new file mode 100644
index 0000000000000..5cd0e46d56699
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_16_7.csv
@@ -0,0 +1 @@
+8772007
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_10.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_10.csv
new file mode 100644
index 0000000000000..6e70e73ba0289
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_10.csv
@@ -0,0 +1 @@
+8797010
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_11.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_11.csv
new file mode 100644
index 0000000000000..63c79c4255119
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_11.csv
@@ -0,0 +1 @@
+8797011
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_6.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_6.csv
new file mode 100644
index 0000000000000..9c6bdd3354fda
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_6.csv
@@ -0,0 +1 @@
+8797006
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_7.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_7.csv
new file mode 100644
index 0000000000000..b4a9c4ae755fe
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_7.csv
@@ -0,0 +1 @@
+8797007
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_8.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_8.csv
new file mode 100644
index 0000000000000..2ac8b2524010c
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_8.csv
@@ -0,0 +1 @@
+8797008
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_9.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_9.csv
new file mode 100644
index 0000000000000..43ff39e87cd87
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_17_9.csv
@@ -0,0 +1 @@
+8797009
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_1.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_1.csv
new file mode 100644
index 0000000000000..43a2691cd78e6
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_1.csv
@@ -0,0 +1 @@
+8840003
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_2.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_2.csv
new file mode 100644
index 0000000000000..399725b7dc793
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_2.csv
@@ -0,0 +1 @@
+8840004
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_3.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_3.csv
new file mode 100644
index 0000000000000..950d5ac6fa93a
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_3.csv
@@ -0,0 +1 @@
+8840005
diff --git a/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_4.csv b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_4.csv
new file mode 100644
index 0000000000000..1dc5c09a93769
--- /dev/null
+++ b/server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_4.csv
@@ -0,0 +1 @@
+8840006