diff --git a/node/src/main/resources/migration/vault-schema.changelog-master.xml b/node/src/main/resources/migration/vault-schema.changelog-master.xml
index d1b1cd6f3d..a993718e77 100644
--- a/node/src/main/resources/migration/vault-schema.changelog-master.xml
+++ b/node/src/main/resources/migration/vault-schema.changelog-master.xml
@@ -10,6 +10,5 @@
     <include file="migration/vault-schema.changelog-v5.xml"/>
     <include file="migration/vault-schema.changelog-v6.xml"/>
     <include file="migration/vault-schema.changelog-pkey-swap.xml"/>
-    <include file="migration/vault-schema.changelog-v7.xml"/>
 
 </databaseChangeLog>
diff --git a/node/src/main/resources/migration/vault-schema.changelog-v7.xml b/node/src/main/resources/migration/vault-schema.changelog-v7.xml
deleted file mode 100644
index 5b85396391..0000000000
--- a/node/src/main/resources/migration/vault-schema.changelog-v7.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.1" encoding="UTF-8" standalone="no"?>
-<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
-                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
-    <changeSet author="R3.Corda" id="make_issuer_ref_nullable">
-        <dropNotNullConstraint columnDataType="varbinary(512)" columnName="issuer_ref" tableName="vault_fungible_states"/>
-    </changeSet>
-</databaseChangeLog>
diff --git a/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-global-cleanup.sql b/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-global-cleanup.sql
index 7d770f34de..4876136006 100644
--- a/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-global-cleanup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-global-cleanup.sql
@@ -4,6 +4,7 @@ DROP TABLE IF EXISTS ${schema}.cp_states_v2_participants;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_state_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_states_v2_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_deal_states_parts;
+DROP TABLE IF EXISTS ${schema}.node_attachments_signers;
 DROP TABLE IF EXISTS ${schema}.node_attachments_contracts;
 DROP TABLE IF EXISTS ${schema}.node_attachments;
 DROP TABLE IF EXISTS ${schema}.node_checkpoints;
diff --git a/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-setup.sql b/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-setup.sql
index dbbb9527ef..fc58d19b9e 100644
--- a/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-setup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/azure-sql/db-setup.sql
@@ -4,6 +4,7 @@ DROP TABLE IF EXISTS ${schema}.cp_states_v2_participants;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_state_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_states_v2_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_deal_states_parts;
+DROP TABLE IF EXISTS ${schema}.node_attachments_signers;
 DROP TABLE IF EXISTS ${schema}.node_attachments_contracts;
 DROP TABLE IF EXISTS ${schema}.node_attachments;
 DROP TABLE IF EXISTS ${schema}.node_checkpoints;
diff --git a/testing/test-utils/src/main/resources/database-scripts/oracle/db-cleanup.sql b/testing/test-utils/src/main/resources/database-scripts/oracle/db-cleanup.sql
index 97d27f2336..77d9286487 100644
--- a/testing/test-utils/src/main/resources/database-scripts/oracle/db-cleanup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/oracle/db-cleanup.sql
@@ -4,6 +4,7 @@ DROP TABLE ${schema}.cp_states_v2_participants CASCADE CONSTRAINTS
 DROP TABLE ${schema}.dummy_linear_state_parts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.dummy_linear_states_v2_parts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.dummy_deal_states_parts CASCADE CONSTRAINTS
+DROP TABLE ${schema}.node_attachments_signers CASCADE CONSTRAINTS
 DROP TABLE ${schema}.node_attachments_contracts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.node_attachments CASCADE CONSTRAINTS
 DROP TABLE ${schema}.node_checkpoints CASCADE CONSTRAINTS
diff --git a/testing/test-utils/src/main/resources/database-scripts/oracle/db-setup.sql b/testing/test-utils/src/main/resources/database-scripts/oracle/db-setup.sql
index ccece802e2..4f25148ff1 100644
--- a/testing/test-utils/src/main/resources/database-scripts/oracle/db-setup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/oracle/db-setup.sql
@@ -6,6 +6,7 @@ DROP TABLE ${schema}.dummy_linear_states_v2_parts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.dummy_deal_states_parts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.dummy_test_states_parts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.dummy_test_states CASCADE CONSTRAINTS
+DROP TABLE ${schema}.node_attachments_signers CASCADE CONSTRAINTS
 DROP TABLE ${schema}.node_attachments_contracts CASCADE CONSTRAINTS
 DROP TABLE ${schema}.node_attachments CASCADE CONSTRAINTS
 DROP TABLE ${schema}.node_checkpoints CASCADE CONSTRAINTS
diff --git a/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-cleanup.sql b/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-cleanup.sql
index 6dd0ef1510..fc46a9de15 100644
--- a/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-cleanup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-cleanup.sql
@@ -4,6 +4,7 @@ DROP TABLE IF EXISTS ${schema}.cp_states_v2_participants;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_state_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_states_v2_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_deal_states_parts;
+DROP TABLE IF EXISTS ${schema}.node_attachments_signers;
 DROP TABLE IF EXISTS ${schema}.node_attachments_contracts;
 DROP TABLE IF EXISTS ${schema}.node_attachments;
 DROP TABLE IF EXISTS ${schema}.node_checkpoints;
diff --git a/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-setup.sql b/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-setup.sql
index 3ae1b58e7e..19e1217977 100644
--- a/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-setup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/sql-server/db-global-setup.sql
@@ -4,6 +4,7 @@ DROP TABLE IF EXISTS ${schema}.cp_states_v2_participants;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_state_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_states_v2_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_deal_states_parts;
+DROP TABLE IF EXISTS ${schema}.node_attachments_signers;
 DROP TABLE IF EXISTS ${schema}.node_attachments_contracts;
 DROP TABLE IF EXISTS ${schema}.node_attachments;
 DROP TABLE IF EXISTS ${schema}.node_checkpoints;
diff --git a/testing/test-utils/src/main/resources/database-scripts/sql-server/db-setup.sql b/testing/test-utils/src/main/resources/database-scripts/sql-server/db-setup.sql
index 82498276cb..fa4aa4ab95 100644
--- a/testing/test-utils/src/main/resources/database-scripts/sql-server/db-setup.sql
+++ b/testing/test-utils/src/main/resources/database-scripts/sql-server/db-setup.sql
@@ -4,6 +4,7 @@ DROP TABLE IF EXISTS ${schema}.cp_states_v2_participants;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_state_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_linear_states_v2_parts;
 DROP TABLE IF EXISTS ${schema}.dummy_deal_states_parts;
+DROP TABLE IF EXISTS ${schema}.node_attachments_signers;
 DROP TABLE IF EXISTS ${schema}.node_attachments_contracts;
 DROP TABLE IF EXISTS ${schema}.node_attachments;
 DROP TABLE IF EXISTS ${schema}.node_checkpoints;