diff --git a/src/main/resources/build-config/ant/build.properties b/src/main/resources/build-config/ant/build.properties
index 1942781..f14046e 100644
--- a/src/main/resources/build-config/ant/build.properties
+++ b/src/main/resources/build-config/ant/build.properties
@@ -17,12 +17,6 @@
 on_sql_error=continue
 db.encoding=utf-8
 
-#Set path of some JDBC connectors
-hsqldb.connector.jar.path=../lib/hsqldb-2.3.4.jar
-mysql.connector.jar.path=../lib/mysql-connector-java-8.0.26.jar
-oracle.connector.jar.path=../lib/ojdbc14-10.2.0.3.0.jar
-postgresql.connector.jar.path=../lib/postgresql-9.4.1211.jar
-
 #Replacement rules for specific DBMS
 # Format is :
 # regexp.${dbms}.list : list of index for each replacement rule, separated by comma
diff --git a/src/main/resources/build-config/ant/build.xml b/src/main/resources/build-config/ant/build.xml
index 703ed9b..15c207b 100644
--- a/src/main/resources/build-config/ant/build.xml
+++ b/src/main/resources/build-config/ant/build.xml
@@ -5,7 +5,6 @@
         <attribute name="sql.url" />
         <attribute name="sql.userid" />
         <attribute name="sql.password" />
-        <attribute name="sql.connector.path" />
         <attribute name="sql.fileset.refid"/>
         <sequential>
             <!--echo message="sql.driver : @{sql.driver}" />
@@ -41,11 +40,15 @@
                  userid="@{sql.userid}"
                  password="@{sql.password}"
                  autocommit="true"
-                 classpath="@{sql.connector.path}"
                  onerror="${on_sql_error}"
                  encoding="${db.encoding}"
             >
                 <fileset file="${temp.sql}"/>
+                <classpath>
+                    <fileset dir="../lib">
+                        <include name="*.jar"/>
+                    </fileset>
+                </classpath>
             </sql>
             <delete file="${temp.sql}" verbose="true" />
         </sequential>
@@ -103,9 +106,6 @@
     <target name="init_mysql" if="mysql">
         <echo message="=> MySQL" />
 
-        <!-- Path to the jar that contain database connector driver -->
-        <property name="db.connector.path" value="${mysql.connector.jar.path}" />
-
         <!-- Define the baseUrl and baseName (drop and create DB) -->
         <property file="${db.properties.path}" />
         <propertyregex property="baseUrl"
@@ -126,9 +126,6 @@
     <target name="init_oracle" if="oracle">
         <echo message="=> Oracle" />
 
-        <!-- Path to the jar that contain database connector driver -->
-        <property name="db.connector.path" value="${oracle.connector.jar.path}" />
-
         <!-- Define the baseUrl and baseName (drop and create DB) -->
         <property file="${db.properties.path}" />
         <propertyregex property="baseUrl"
@@ -149,9 +146,6 @@
     <target name="init_hsqldb" if="hsqldb">
         <echo message="=> HSQLDB" />
 
-        <!-- Path to the jar that contain database connector driver -->
-        <property name="db.connector.path" value="${hsqldb.connector.jar.path}" />
-
         <!-- Define the baseUrl and baseName (drop and create DB) -->
         <property file="${db.properties.path}" />
         <property name="baseUrl" value="${portal.url}" />
@@ -166,9 +160,6 @@
     <target name="init_postgresql" if="postgresql">
         <echo message="=> POSTGRESQL" />
 
-        <!-- Path to the jar that contain database connector driver -->
-        <property name="db.connector.path" value="${postgresql.connector.jar.path}" />
-
         <!-- Define the baseUrl and baseName (drop and create DB) -->
         <property file="${db.properties.path}" />
         <propertyregex property="baseUrl"
@@ -234,7 +225,6 @@
                 sql.url="${baseUrl}"
                 sql.userid="${portal.user}"
                 sql.password="${portal.password}"
-                sql.connector.path="${db.connector.path}"
                 sql.fileset.refid="sql.db.create" />
 
         <delete file="${dbms}.sql" verbose="true" />
@@ -254,7 +244,6 @@
                 sql.url="${portal.url}"
                 sql.userid="${portal.user}"
                 sql.password="${portal.password}"
-                sql.connector.path="${db.connector.path}"
                 sql.fileset.refid="sql.core.files"/>
     </target>
 
diff --git a/src/main/resources/build-config/ant/includes/build-all.xml b/src/main/resources/build-config/ant/includes/build-all.xml
index a84613c..041041b 100644
--- a/src/main/resources/build-config/ant/includes/build-all.xml
+++ b/src/main/resources/build-config/ant/includes/build-all.xml
@@ -32,7 +32,6 @@
                         sql.url="${baseUrlPlugins}"
                         sql.userid="${plugins.user}"
                         sql.password="${plugins.password}"
-                        sql.connector.path="${db.connector.path}"
                         sql.fileset.refid="sql.db.create"
                 />
             </then>
@@ -54,7 +53,6 @@
                         sql.url="${plugins.url}"
                         sql.userid="${plugins.user}"
                         sql.password="${plugins.password}"
-                        sql.connector.path="${db.connector.path}"
                         sql.fileset.refid="sql.plugin.files" />
             </then>
             <else>
@@ -62,7 +60,6 @@
                         sql.url="${portal.url}"
                         sql.userid="${portal.user}"
                         sql.password="${portal.password}"
-                        sql.connector.path="${db.connector.path}"
                         sql.fileset.refid="sql.plugin.files" />
             </else>
         </if>
diff --git a/src/main/resources/build-config/ant/includes/build-oldstructure.xml b/src/main/resources/build-config/ant/includes/build-oldstructure.xml
index 81b0ce8..3284772 100644
--- a/src/main/resources/build-config/ant/includes/build-oldstructure.xml
+++ b/src/main/resources/build-config/ant/includes/build-oldstructure.xml
@@ -14,7 +14,6 @@
                 sql.url="${portal.url}"
                 sql.userid="${portal.user}"
                 sql.password="${portal.password}"
-                sql.connector.path="${db.connector.path}"
                 sql.fileset.refid="sql.plugin.files" />
     </target>
 </project>
diff --git a/src/main/resources/build-config/ant/includes/build-specific.xml b/src/main/resources/build-config/ant/includes/build-specific.xml
index d72c427..e6901dc 100644
--- a/src/main/resources/build-config/ant/includes/build-specific.xml
+++ b/src/main/resources/build-config/ant/includes/build-specific.xml
@@ -70,7 +70,6 @@
                                 sql.url="${baseUrl.pool}"
                                 sql.userid="${@{pool}.user}"
                                 sql.password="${@{pool}.password}"
-                                sql.connector.path="${db.connector.path}"
                                 sql.fileset.refid="sql.db.create"
                         />
 
@@ -81,7 +80,6 @@
                                 sql.url="${@{pool}.url}"
                                 sql.userid="${@{pool}.user}"
                                 sql.password="${@{pool}.password}"
-                                sql.connector.path="${db.connector.path}"
                                 sql.fileset.refid="sql.plugin.files"
                         />
                     </then>
@@ -97,7 +95,6 @@
                                 sql.url="${portal.url}"
                                 sql.userid="${portal.user}"
                                 sql.password="${portal.password}"
-                                sql.connector.path="${db.connector.path}"
                                 sql.fileset.refid="sql.plugin.files"/>
                     </else>
                 </if>
diff --git a/src/main/resources/build-config/ant/includes/build-update.xml b/src/main/resources/build-config/ant/includes/build-update.xml
index 7f11a0c..d68e085 100644
--- a/src/main/resources/build-config/ant/includes/build-update.xml
+++ b/src/main/resources/build-config/ant/includes/build-update.xml
@@ -62,7 +62,6 @@
                                 sql.url="${@{pool}.url}"
                                 sql.userid="${@{pool}.user}"
                                 sql.password="${@{spool}.password}"
-                                sql.classpath="${db.connector.path}"
                                 sql.fileset.refid="sql.plugin.files"
                         />
                     </then>
@@ -78,7 +77,6 @@
                                 sql.url="${portal.url}"
                                 sql.userid="${portal.user}"
                                 sql.password="${portal.password}"
-                                sql.connector.path="${db.connector.path}"
                                 sql.fileset.refid="sql.plugin.files"/>
                     </else>
                 </if>