diff --git a/doc-private/Developer-How-To-Start.md b/doc-private/Developer-How-To-Start.md
index 0baadda44..6ba2f67db 100644
--- a/doc-private/Developer-How-To-Start.md
+++ b/doc-private/Developer-How-To-Start.md
@@ -19,7 +19,7 @@ Important and fixed parameter is `changelog-file`.
 Others (like URL, username, password) depend on your environment.
 
 ```shell
-liquibase --changelog-file=./docs/db/changelog/changesets/powerauth-webflow/db.changelog-module.xml --url=jdbc:postgresql://localhost:5432/powerauth --username=powerauth --hub-mode=off status
+liquibase --changelog-file=./docs/db/changelog/changesets/powerauth-webflow/db.changelog-module.xml --url=jdbc:postgresql://localhost:5432/powerauth --username=powerauth status
 ```
 
 
@@ -41,7 +41,7 @@ Important and fixed parameter is `changelog-file`.
 Others (like URL, username, password) depend on your environment.
 
 ```shell
-liquibase --changelog-file=./docs/db/changelog/changesets/powerauth-tpp-engine/db.changelog-module.xml --url=jdbc:postgresql://localhost:5432/powerauth --username=powerauth --hub-mode=off status
+liquibase --changelog-file=./docs/db/changelog/changesets/powerauth-tpp-engine/db.changelog-module.xml --url=jdbc:postgresql://localhost:5432/powerauth --username=powerauth status
 ```
 
 
@@ -63,7 +63,7 @@ Important and fixed parameter is `changelog-file`.
 Others (like URL, username, password) depend on your environment.
 
 ```shell
-liquibase --changelog-file=./docs/db/changelog/changesets/powerauth-nextstep/db.changelog-module.xml --url=jdbc:postgresql://localhost:5432/powerauth --username=powerauth --hub-mode=off status
+liquibase --changelog-file=./docs/db/changelog/changesets/powerauth-nextstep/db.changelog-module.xml --url=jdbc:postgresql://localhost:5432/powerauth --username=powerauth status
 ```
 
 When all user identities are stored in Next Step, add foreign keys for user identity manually (they are not part of liquibase changesets).
diff --git a/docs/db/changelog/changesets/powerauth-webflow/1.4.x/20230324-init-db.xml b/docs/db/changelog/changesets/powerauth-webflow/1.4.x/20230324-init-db.xml
index c23b37a17..9d8489492 100644
--- a/docs/db/changelog/changesets/powerauth-webflow/1.4.x/20230324-init-db.xml
+++ b/docs/db/changelog/changesets/powerauth-webflow/1.4.x/20230324-init-db.xml
@@ -101,17 +101,7 @@
         </createIndex>
     </changeSet>
 
-    <changeSet id="6" logicalFilePath="powerauth-webflow/1.4.x/20230324-init-db.xml" author="Lubos Racansky">
-        <preConditions onFail="MARK_RAN">
-            <not>
-                <indexExists tableName="wf_certificate_verification" indexName="wf_certificate_operation"/>
-            </not>
-        </preConditions>
-        <comment>Create a new index wf_certificate_verification(operation_id)</comment>
-        <createIndex tableName="wf_operation_session" indexName="wf_certificate_operation">
-            <column name="operation_id" />
-        </createIndex>
-    </changeSet>
+    <!--  changeSet id="6" omitted on purpose, because it has been creating an index on primary key  -->
 
     <!--  See: https://github.com/spring-projects/spring-security-oauth/blob/master/spring-security-oauth2/src/main/java/org/springframework/security/oauth2/provider/client/JdbcClientDetailsService.java  -->
     <changeSet id="7" logicalFilePath="powerauth-webflow/1.4.x/20230324-init-db.xml" author="Lubos Racansky">
diff --git a/docs/db/changelog/changesets/powerauth-webflow/db.changelog-module.xml b/docs/db/changelog/changesets/powerauth-webflow/db.changelog-module.xml
index 9a93b8d98..9599a2fe8 100644
--- a/docs/db/changelog/changesets/powerauth-webflow/db.changelog-module.xml
+++ b/docs/db/changelog/changesets/powerauth-webflow/db.changelog-module.xml
@@ -7,6 +7,9 @@
     <property name="now" value="current_timestamp" dbms="postgresql"/>
     <property name="now" value="sysdate" dbms="oracle"/>
 
+    <property name="blob_type" value="bytea" dbms="postgresql"/>
+    <property name="blob_type" value="blob" dbms="oracle"/>
+
     <include file="1.4.x/db.changelog-version.xml" relativeToChangelogFile="true" />
     <include file="1.5.x/db.changelog-version.xml" relativeToChangelogFile="true" />
 
diff --git a/docs/sql/oracle/create_schema.sql b/docs/sql/oracle/create_schema.sql
index 5b950cfe6..f82079e84 100644
--- a/docs/sql/oracle/create_schema.sql
+++ b/docs/sql/oracle/create_schema.sql
@@ -628,7 +628,6 @@ CREATE INDEX wf_operation_hash ON wf_operation_session (operation_hash);
 CREATE INDEX wf_websocket_session ON wf_operation_session (websocket_session_id);
 CREATE INDEX ns_operation_pending ON ns_operation (user_id, result);
 CREATE UNIQUE INDEX ns_operation_afs_unique on ns_operation_afs (operation_id, request_afs_action, request_step_index);
-CREATE INDEX wf_certificate_operation ON wf_certificate_verification (operation_id);
 CREATE UNIQUE INDEX ns_application_name ON ns_application (name);
 CREATE UNIQUE INDEX ns_credential_policy_name ON ns_credential_policy (name);
 CREATE UNIQUE INDEX ns_otp_policy_name ON ns_otp_policy (name);
diff --git a/docs/sql/postgresql/create_schema.sql b/docs/sql/postgresql/create_schema.sql
index 866f4b9bc..ce18b9a97 100644
--- a/docs/sql/postgresql/create_schema.sql
+++ b/docs/sql/postgresql/create_schema.sql
@@ -624,7 +624,6 @@ CREATE INDEX wf_operation_hash ON wf_operation_session (operation_hash);
 CREATE INDEX wf_websocket_session ON wf_operation_session (websocket_session_id);
 CREATE INDEX ns_operation_pending ON ns_operation (user_id, result);
 CREATE UNIQUE INDEX ns_operation_afs_unique ON ns_operation_afs (operation_id, request_afs_action, request_step_index);
-CREATE INDEX wf_certificate_operation ON wf_certificate_verification (operation_id);
 CREATE UNIQUE INDEX ns_application_name ON ns_application (name);
 CREATE UNIQUE INDEX ns_credential_policy_name ON ns_credential_policy (name);
 CREATE UNIQUE INDEX ns_otp_policy_name ON ns_otp_policy (name);