diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/SynapseArtifactGenerator.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/SynapseArtifactGenerator.java
index e6aaea5f17ff..b05f7e4ed571 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/SynapseArtifactGenerator.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/SynapseArtifactGenerator.java
@@ -17,7 +17,6 @@
  */
 package org.wso2.carbon.apimgt.rest.api.publisher.v1.common;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.gson.Gson;
 import org.apache.axiom.om.OMElement;
 import org.apache.commons.io.FileUtils;
@@ -39,7 +38,6 @@
 import org.wso2.carbon.apimgt.api.model.SwaggerData;
 import org.wso2.carbon.apimgt.api.model.graphql.queryanalysis.GraphqlComplexityInfo;
 import org.wso2.carbon.apimgt.impl.APIConstants;
-import org.wso2.carbon.apimgt.impl.dao.ApiMgtDAO;
 import org.wso2.carbon.apimgt.impl.definitions.GraphQLSchemaDefinition;
 import org.wso2.carbon.apimgt.impl.definitions.OAS3Parser;
 import org.wso2.carbon.apimgt.impl.dto.APIRuntimeArtifactDto;
@@ -48,7 +46,6 @@
 import org.wso2.carbon.apimgt.impl.gatewayartifactsynchronizer.GatewayArtifactGenerator;
 import org.wso2.carbon.apimgt.impl.importexport.utils.CommonUtil;
 import org.wso2.carbon.apimgt.impl.utils.APIUtil;
-import org.wso2.carbon.apimgt.impl.utils.GatewayUtils;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.common.mappings.APIMappingUtil;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.common.mappings.ImportUtils;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.APIDTO;
@@ -60,15 +57,10 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
 import java.util.List;
-import java.util.Map;
 import javax.xml.namespace.QName;
 import javax.xml.stream.XMLStreamException;
 
-import static org.wso2.carbon.apimgt.impl.utils.APIUtil.handleException;
-
 /**
  * This class used to generate Synapse Artifact.
  */
@@ -81,7 +73,6 @@ public class SynapseArtifactGenerator implements GatewayArtifactGenerator {
 
     private static final Log log = LogFactory.getLog(SynapseArtifactGenerator.class);
     private static final String GATEWAY_EXT_SEQUENCE_PREFIX = "WSO2AMGW--Ext";
-    private static final ApiMgtDAO apiMgtDao = ApiMgtDAO.getInstance();
 
     @Override
     public RuntimeArtifactDto generateGatewayArtifact(List<APIRuntimeArtifactDto> apiRuntimeArtifactDtoList)