diff --git a/src/main/java/org/codelibs/fess/app/web/admin/joblog/AdminJoblogAction.java b/src/main/java/org/codelibs/fess/app/web/admin/joblog/AdminJoblogAction.java
index 0e6b7a87d..1bb30a0c1 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/joblog/AdminJoblogAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/joblog/AdminJoblogAction.java
@@ -15,6 +15,9 @@
  */
 package org.codelibs.fess.app.web.admin.joblog;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import javax.annotation.Resource;
 
 import org.codelibs.fess.Constants;
@@ -144,6 +147,18 @@ public class AdminJoblogAction extends FessAdminAction {
         return redirect(getClass());
     }
 
+    @Execute
+    public HtmlResponse deleteall() {
+        verifyToken(() -> asListHtml());
+        List<String> jobStatusList = new ArrayList<>();
+        jobStatusList.add(Constants.OK);
+        jobStatusList.add(Constants.FAIL);
+        jobLogService.deleteByJobStatus(jobStatusList);
+        jobLogPager.clear();
+        saveInfo(messages -> messages.addSuccessJobLogDeleteAll(GLOBAL));
+        return redirect(getClass());
+    }
+
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
diff --git a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
index e001e540e..4563a4157 100644
--- a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
+++ b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
@@ -1641,6 +1641,15 @@ public class FessLabels extends ActionMessages {
     /** The key of the message: Job Log Details */
     public static final String LABELS_joblog_title_details = "{labels.joblog_title_details}";
 
+    /** The key of the message: Delete All */
+    public static final String LABELS_joblog_delete_all_link = "{labels.joblog_delete_all_link}";
+
+    /** The key of the message: Do you really want to delete all? */
+    public static final String LABELS_joblog_delete_all_confirmation = "{labels.joblog_delete_all_confirmation}";
+
+    /** The key of the message: Cancel */
+    public static final String LABELS_joblog_delete_all_cancel = "{labels.joblog_delete_all_cancel}";
+
     /** The key of the message: Dictionary List */
     public static final String LABELS_dict_configuration = "{labels.dict_configuration}";
 
diff --git a/src/main/java/org/codelibs/fess/mylasta/action/FessMessages.java b/src/main/java/org/codelibs/fess/mylasta/action/FessMessages.java
index 2494f4da6..44ed9d109 100644
--- a/src/main/java/org/codelibs/fess/mylasta/action/FessMessages.java
+++ b/src/main/java/org/codelibs/fess/mylasta/action/FessMessages.java
@@ -344,6 +344,9 @@ public class FessMessages extends FessLabels {
     /** The key of the message: Sent the test mail. */
     public static final String SUCCESS_send_testmail = "{success.send_testmail}";
 
+    /** The key of the message: Deleted job logs. */
+    public static final String SUCCESS_job_log_delete_all = "{success.job_log_delete_all}";
+
     /** The key of the message: Created data. */
     public static final String SUCCESS_crud_create_crud_table = "{success.crud_create_crud_table}";
 
@@ -1917,6 +1920,20 @@ public class FessMessages extends FessLabels {
         return this;
     }
 
+    /**
+     * Add the created action message for the key 'success.job_log_delete_all' with parameters.
+     * <pre>
+     * message: Deleted job logs.
+     * </pre>
+     * @param property The property name for the message. (NotNull)
+     * @return this. (NotNull)
+     */
+    public FessMessages addSuccessJobLogDeleteAll(String property) {
+        assertPropertyNotNull(property);
+        add(property, new ActionMessage(SUCCESS_job_log_delete_all));
+        return this;
+    }
+
     /**
      * Add the created action message for the key 'success.crud_create_crud_table' with parameters.
      * <pre>
diff --git a/src/main/resources/fess_label.properties b/src/main/resources/fess_label.properties
index 238ede86f..f5e273e6b 100644
--- a/src/main/resources/fess_label.properties
+++ b/src/main/resources/fess_label.properties
@@ -544,6 +544,9 @@ labels.joblog_scriptType=Executor
 labels.joblog_startTime=Start Time
 labels.joblog_target=Target
 labels.joblog_title_details=Job Log Details
+labels.joblog_delete_all_link=Delete All
+labels.joblog_delete_all_confirmation=Do you really want to delete all?
+labels.joblog_delete_all_cancel=Cancel
 labels.dict_configuration=Dictionary List
 labels.dict_list_title=Dictionary List
 labels.dict_list_link=Dictionaries
diff --git a/src/main/resources/fess_label_en.properties b/src/main/resources/fess_label_en.properties
index 238ede86f..f5e273e6b 100644
--- a/src/main/resources/fess_label_en.properties
+++ b/src/main/resources/fess_label_en.properties
@@ -544,6 +544,9 @@ labels.joblog_scriptType=Executor
 labels.joblog_startTime=Start Time
 labels.joblog_target=Target
 labels.joblog_title_details=Job Log Details
+labels.joblog_delete_all_link=Delete All
+labels.joblog_delete_all_confirmation=Do you really want to delete all?
+labels.joblog_delete_all_cancel=Cancel
 labels.dict_configuration=Dictionary List
 labels.dict_list_title=Dictionary List
 labels.dict_list_link=Dictionaries
diff --git a/src/main/resources/fess_label_ja.properties b/src/main/resources/fess_label_ja.properties
index b7c44e287..3b7aff239 100644
--- a/src/main/resources/fess_label_ja.properties
+++ b/src/main/resources/fess_label_ja.properties
@@ -532,6 +532,9 @@ labels.joblog_scriptType = \u5b9f\u884c\u65b9\u6cd5
 labels.joblog_startTime = \u958b\u59cb\u6642\u9593
 labels.joblog_target = \u5bfe\u8c61
 labels.joblog_title_details = \u30b8\u30e7\u30d6\u30ed\u30b0\u306e\u8a73\u7d30
+labels.joblog_delete_all_link = \u3059\u3079\u3066\u524a\u9664
+labels.joblog_delete_all_confirmation = \u672c\u5f53\u306b\u3059\u3079\u3066\u3092\u524a\u9664\u3057\u307e\u3059\u304b\uff1f
+labels.joblog_delete_all_cancel = \u30ad\u30e3\u30f3\u30bb\u30eb
 labels.dict_configuration = \u8f9e\u66f8\u4e00\u89a7
 labels.dict_list_title = \u8f9e\u66f8\u4e00\u89a7
 labels.dict_list_link = \u8f9e\u66f8
diff --git a/src/main/resources/fess_message.properties b/src/main/resources/fess_message.properties
index 02124b188..275cd58c6 100644
--- a/src/main/resources/fess_message.properties
+++ b/src/main/resources/fess_message.properties
@@ -139,6 +139,7 @@ success.upload_kuromoji_file=Uploaded Kuromoji file.
 success.upload_elevate_word=Uploaded Additional Word file.
 success.upload_bad_word=Uploaded Bad Word file.
 success.send_testmail=Sent the test mail.
+success.job_log_delete_all=Deleted job logs.
 
 success.crud_create_crud_table=Created data.
 success.crud_update_crud_table=Updated data.
diff --git a/src/main/resources/fess_message_en.properties b/src/main/resources/fess_message_en.properties
index 02124b188..275cd58c6 100644
--- a/src/main/resources/fess_message_en.properties
+++ b/src/main/resources/fess_message_en.properties
@@ -139,6 +139,7 @@ success.upload_kuromoji_file=Uploaded Kuromoji file.
 success.upload_elevate_word=Uploaded Additional Word file.
 success.upload_bad_word=Uploaded Bad Word file.
 success.send_testmail=Sent the test mail.
+success.job_log_delete_all=Deleted job logs.
 
 success.crud_create_crud_table=Created data.
 success.crud_update_crud_table=Updated data.
diff --git a/src/main/resources/fess_message_ja.properties b/src/main/resources/fess_message_ja.properties
index dc2d96a80..6f55eda5f 100644
--- a/src/main/resources/fess_message_ja.properties
+++ b/src/main/resources/fess_message_ja.properties
@@ -132,6 +132,8 @@ success.upload_kuromoji_file = Kuromoji\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c
 success.upload_elevate_word = \u8ffd\u52a0\u30ef\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3057\u305f\u3002
 success.upload_bad_word = \u9664\u5916\u30ef\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3057\u305f\u3002
 success.send_testmail=\u30c6\u30b9\u30c8\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u307e\u3057\u305f\u3002
+success.job_log_delete_all=\u30b8\u30e7\u30d6\u30ed\u30b0\u3092\u524a\u9664\u3057\u307e\u3057\u305f\u3002
+
 success.crud_create_crud_table = \u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002
 success.crud_update_crud_table = \u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u307e\u3057\u305f\u3002
 success.crud_delete_crud_table = \u30c7\u30fc\u30bf\u3092\u524a\u9664\u3057\u307e\u3057\u305f\u3002
diff --git a/src/main/webapp/WEB-INF/view/admin/joblog/admin_joblog.jsp b/src/main/webapp/WEB-INF/view/admin/joblog/admin_joblog.jsp
index 105381226..d19e8f8a4 100644
--- a/src/main/webapp/WEB-INF/view/admin/joblog/admin_joblog.jsp
+++ b/src/main/webapp/WEB-INF/view/admin/joblog/admin_joblog.jsp
@@ -105,6 +105,54 @@
 									</div>
 									<c:set var="pager" value="${jobLogPager}" scope="request" />
 									<c:import url="/WEB-INF/view/common/admin/crud/pagination.jsp" />
+									<div class="row">
+										<la:form action="/admin/joblog/">
+											<div class="col-sm-12 center">
+												<button type="button" class="btn btn-danger"
+													data-toggle="modal" data-target="#confirmToDeleteAll">
+													<i class="fa fa-trash"></i>
+													<la:message key="labels.joblog_delete_all_link" />
+												</button>
+											</div>
+											<div class="modal modal-danger fade" id="confirmToDeleteAll"
+												tabindex="-1" role="dialog">
+												<div class="modal-dialog">
+													<div class="modal-content">
+														<div class="modal-header">
+															<button type="button" class="close" data-dismiss="modal"
+																aria-label="Close">
+																<span aria-hidden="true">×</span>
+															</button>
+															<h4 class="modal-title">
+																<la:message
+																	key="labels.joblog_delete_all_link" />
+															</h4>
+														</div>
+														<div class="modal-body">
+															<p>
+																<la:message
+																	key="labels.joblog_delete_all_confirmation" />
+															</p>
+														</div>
+														<div class="modal-footer">
+															<button type="button" class="btn btn-outline pull-left"
+																data-dismiss="modal">
+																<la:message
+																	key="labels.joblog_delete_all_cancel" />
+															</button>
+															<button type="submit" class="btn btn-outline btn-danger"
+																name="deleteall"
+																value="<la:message key="labels.joblog_delete_all_link" />">
+																<i class="fa fa-trash"></i>
+																<la:message
+																	key="labels.joblog_delete_all_link" />
+															</button>
+														</div>
+													</div>
+												</div>
+											</div>
+										</la:form>
+									</div>
 								</c:if>
 							</div>
 							<!-- /.box-body -->