diff --git a/src/main/java/org/codelibs/fess/crud/service/BsRequestHeaderService.java b/src/main/java/org/codelibs/fess/crud/service/BsRequestHeaderService.java
deleted file mode 100644
index 95614be4c..000000000
--- a/src/main/java/org/codelibs/fess/crud/service/BsRequestHeaderService.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright 2009-2015 the CodeLibs Project and the Others.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
- * either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- */
-
-package org.codelibs.fess.crud.service;
-
-import java.util.List;
-import java.util.Map;
-
-import javax.annotation.Resource;
-
-import org.codelibs.fess.crud.CommonConstants;
-import org.codelibs.fess.crud.CrudMessageException;
-import org.codelibs.fess.db.cbean.RequestHeaderCB;
-import org.codelibs.fess.db.exbhv.RequestHeaderBhv;
-import org.codelibs.fess.db.exentity.RequestHeader;
-import org.codelibs.fess.pager.RequestHeaderPager;
-import org.dbflute.cbean.result.PagingResultBean;
-import org.seasar.framework.beans.util.Beans;
-
-public abstract class BsRequestHeaderService {
-
-    @Resource
-    protected RequestHeaderBhv requestHeaderBhv;
-
-    public BsRequestHeaderService() {
-        super();
-    }
-
-    public List<RequestHeader> getRequestHeaderList(final RequestHeaderPager requestHeaderPager) {
-
-        final PagingResultBean<RequestHeader> requestHeaderList = requestHeaderBhv.selectPage(cb -> {
-            cb.paging(requestHeaderPager.getPageSize(), requestHeaderPager.getCurrentPageNumber());
-            setupListCondition(cb, requestHeaderPager);
-        });
-
-        // update pager
-        Beans.copy(requestHeaderList, requestHeaderPager).includes(CommonConstants.PAGER_CONVERSION_RULE).execute();
-        requestHeaderPager.setPageNumberList(requestHeaderList.pageRange(op -> {
-            op.rangeSize(5);
-        }).createPageNumberList());
-
-        return requestHeaderList;
-    }
-
-    public RequestHeader getRequestHeader(final Map<String, String> keys) {
-        final RequestHeader requestHeader = requestHeaderBhv.selectEntity(cb -> {
-            cb.query().setId_Equal(Long.parseLong(keys.get("id")));
-            setupEntityCondition(cb, keys);
-        }).orElse(null);//TODO
-        if (requestHeader == null) {
-            // TODO exception?
-            return null;
-        }
-
-        return requestHeader;
-    }
-
-    public void store(final RequestHeader requestHeader) throws CrudMessageException {
-        setupStoreCondition(requestHeader);
-
-        requestHeaderBhv.insertOrUpdate(requestHeader);
-
-    }
-
-    public void delete(final RequestHeader requestHeader) throws CrudMessageException {
-        setupDeleteCondition(requestHeader);
-
-        requestHeaderBhv.delete(requestHeader);
-
-    }
-
-    protected void setupListCondition(final RequestHeaderCB cb, final RequestHeaderPager requestHeaderPager) {
-
-        if (requestHeaderPager.id != null) {
-            cb.query().setId_Equal(Long.parseLong(requestHeaderPager.id));
-        }
-        // TODO Long, Integer, String supported only.
-    }
-
-    protected void setupEntityCondition(final RequestHeaderCB cb, final Map<String, String> keys) {
-    }
-
-    protected void setupStoreCondition(final RequestHeader requestHeader) {
-    }
-
-    protected void setupDeleteCondition(final RequestHeader requestHeader) {
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/org/codelibs/fess/service/RequestHeaderService.java b/src/main/java/org/codelibs/fess/service/RequestHeaderService.java
index 92ffe0eaa..45b3d5132 100644
--- a/src/main/java/org/codelibs/fess/service/RequestHeaderService.java
+++ b/src/main/java/org/codelibs/fess/service/RequestHeaderService.java
@@ -20,18 +20,76 @@ import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
 
-import org.codelibs.fess.crud.service.BsRequestHeaderService;
+import javax.annotation.Resource;
+
+import org.codelibs.fess.crud.CommonConstants;
+import org.codelibs.fess.crud.CrudMessageException;
 import org.codelibs.fess.db.cbean.RequestHeaderCB;
+import org.codelibs.fess.db.exbhv.RequestHeaderBhv;
 import org.codelibs.fess.db.exentity.RequestHeader;
 import org.codelibs.fess.pager.RequestHeaderPager;
+import org.dbflute.cbean.result.PagingResultBean;
+import org.seasar.framework.beans.util.Beans;
 
-public class RequestHeaderService extends BsRequestHeaderService implements Serializable {
+public class RequestHeaderService implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    @Override
+    @Resource
+    protected RequestHeaderBhv requestHeaderBhv;
+
+    public RequestHeaderService() {
+        super();
+    }
+
+    public List<RequestHeader> getRequestHeaderList(final RequestHeaderPager requestHeaderPager) {
+
+        final PagingResultBean<RequestHeader> requestHeaderList = requestHeaderBhv.selectPage(cb -> {
+            cb.paging(requestHeaderPager.getPageSize(), requestHeaderPager.getCurrentPageNumber());
+            setupListCondition(cb, requestHeaderPager);
+        });
+
+        // update pager
+        Beans.copy(requestHeaderList, requestHeaderPager).includes(CommonConstants.PAGER_CONVERSION_RULE).execute();
+        requestHeaderPager.setPageNumberList(requestHeaderList.pageRange(op -> {
+            op.rangeSize(5);
+        }).createPageNumberList());
+
+        return requestHeaderList;
+    }
+
+    public RequestHeader getRequestHeader(final Map<String, String> keys) {
+        final RequestHeader requestHeader = requestHeaderBhv.selectEntity(cb -> {
+            cb.query().setId_Equal(Long.parseLong(keys.get("id")));
+            setupEntityCondition(cb, keys);
+        }).orElse(null);//TODO
+        if (requestHeader == null) {
+            // TODO exception?
+            return null;
+        }
+
+        return requestHeader;
+    }
+
+    public void store(final RequestHeader requestHeader) throws CrudMessageException {
+        setupStoreCondition(requestHeader);
+
+        requestHeaderBhv.insertOrUpdate(requestHeader);
+
+    }
+
+    public void delete(final RequestHeader requestHeader) throws CrudMessageException {
+        setupDeleteCondition(requestHeader);
+
+        requestHeaderBhv.delete(requestHeader);
+
+    }
+
     protected void setupListCondition(final RequestHeaderCB cb, final RequestHeaderPager requestHeaderPager) {
-        super.setupListCondition(cb, requestHeaderPager);
+        if (requestHeaderPager.id != null) {
+            cb.query().setId_Equal(Long.parseLong(requestHeaderPager.id));
+        }
+        // TODO Long, Integer, String supported only.
 
         // setup condition
         cb.setupSelect_WebCrawlingConfig();
@@ -43,26 +101,20 @@ public class RequestHeaderService extends BsRequestHeaderService implements Seri
 
     }
 
-    @Override
     protected void setupEntityCondition(final RequestHeaderCB cb, final Map<String, String> keys) {
-        super.setupEntityCondition(cb, keys);
 
         // setup condition
         cb.query().setDeletedBy_IsNull();
 
     }
 
-    @Override
     protected void setupStoreCondition(final RequestHeader requestHeader) {
-        super.setupStoreCondition(requestHeader);
 
         // setup condition
 
     }
 
-    @Override
     protected void setupDeleteCondition(final RequestHeader requestHeader) {
-        super.setupDeleteCondition(requestHeader);
 
         // setup condition