diff --git a/src/main/java/org/codelibs/fess/Constants.java b/src/main/java/org/codelibs/fess/Constants.java
index 1dbaae82f..89fc8d8e7 100644
--- a/src/main/java/org/codelibs/fess/Constants.java
+++ b/src/main/java/org/codelibs/fess/Constants.java
@@ -339,9 +339,8 @@ public class Constants extends CoreLibConstants {
 
     public static final String DATA_CRAWLER_TYPE = "data_crawling";
 
-    // TODO remove searchParams
-    public static final String[] COMMON_CONVERSION_RULE = new String[] { "searchParams", "crudMode", "createdBy", "createdTime",
-            "updatedBy", "updatedTime" };
+    public static final String[] COMMON_CONVERSION_RULE =
+            new String[] { "crudMode", "createdBy", "createdTime", "updatedBy", "updatedTime" };
 
     public static final String USER_INFO = "LoginInfo";
 
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/dict/ListForm.java b/src/main/java/org/codelibs/fess/app/web/admin/dict/ListForm.java
index c9595c25e..57cdd868f 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/dict/ListForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/dict/ListForm.java
@@ -15,13 +15,9 @@
  */
 package org.codelibs.fess.app.web.admin.dict;
 
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * @author Keiichi Watanabe
  */
 public class ListForm {
 
-    public Map<String, String> searchParams = new HashMap<>();
 }
diff --git a/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/ApiAdminSuggestAction.java b/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/ApiAdminSuggestAction.java
index 7bc28f028..5b73a6d5f 100644
--- a/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/ApiAdminSuggestAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/ApiAdminSuggestAction.java
@@ -15,14 +15,14 @@
  */
 package org.codelibs.fess.app.web.api.admin.suggest;
 
+import javax.annotation.Resource;
+
 import org.codelibs.fess.app.web.api.ApiResult;
 import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
 import org.codelibs.fess.helper.SuggestHelper;
 import org.lastaflute.web.Execute;
 import org.lastaflute.web.response.JsonResponse;
 
-import javax.annotation.Resource;
-
 public class ApiAdminSuggestAction extends FessApiAdminAction {
 
     @Resource
diff --git a/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/SuggestBody.java b/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/SuggestBody.java
index 8390cd5c5..b9d30e93e 100644
--- a/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/SuggestBody.java
+++ b/src/main/java/org/codelibs/fess/app/web/api/admin/suggest/SuggestBody.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2012-2017 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.app.web.api.admin.suggest;
 
 import org.codelibs.fess.app.web.admin.suggest.SuggestForm;
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 af83eac14..5953822c4 100644
--- a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
+++ b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
@@ -431,9 +431,6 @@ public class FessLabels extends UserMessages {
     /** The key of the message: Term */
     public static final String LABELS_TERM = "{labels.term}";
 
-    /** The key of the message: Search Parameters */
-    public static final String LABELS_SEARCH_PARAMS = "{labels.searchParams}";
-
     /** The key of the message: Fields */
     public static final String LABELS_FIELDS = "{labels.fields}";
 
diff --git a/src/main/resources/fess_label.properties b/src/main/resources/fess_label.properties
index b4ea3dd08..3a012ae44 100644
--- a/src/main/resources/fess_label.properties
+++ b/src/main/resources/fess_label.properties
@@ -133,7 +133,6 @@ labels.suggestSearchLog=Suggest Search Log
 labels.suggestWord=Suggest Word
 labels.targetLabel=Label
 labels.term=Term
-labels.searchParams=Search Parameters
 labels.fields=Fields
 labels.ex_q=Extended Query
 labels.ldapProviderUrl=LDAP URL
diff --git a/src/main/resources/fess_label_en.properties b/src/main/resources/fess_label_en.properties
index 2bacea359..f079b7b47 100644
--- a/src/main/resources/fess_label_en.properties
+++ b/src/main/resources/fess_label_en.properties
@@ -133,7 +133,6 @@ labels.suggestSearchLog=Suggest Search Log
 labels.suggestWord=Suggest Word
 labels.targetLabel=Label
 labels.term=Term
-labels.searchParams=Search Parameters
 labels.fields=Fields
 labels.ex_q=Extended Query
 labels.ldapProviderUrl=LDAP URL
diff --git a/src/main/resources/fess_label_ja.properties b/src/main/resources/fess_label_ja.properties
index 29ae63264..1a956908c 100644
--- a/src/main/resources/fess_label_ja.properties
+++ b/src/main/resources/fess_label_ja.properties
@@ -133,7 +133,6 @@ labels.suggestSearchLog=\u30b5\u30b8\u30a7\u30b9\u30c8\u7528\u691c\u7d22\u30ed\u
 labels.suggestWord=\u30b5\u30b8\u30a7\u30b9\u30c8\u30ef\u30fc\u30c9
 labels.targetLabel=\u30e9\u30d9\u30eb
 labels.term=\u691c\u7d22\u8a9e
-labels.searchParams=\u691c\u7d22\u30d1\u30e9\u30e1\u30fc\u30bf
 labels.fields=\u30d5\u30a3\u30fc\u30eb\u30c9
 labels.ex_q=\u62e1\u5f35\u30af\u30a8\u30ea\u30fc
 labels.oldPassword=\u73fe\u5728\u306e\u30d1\u30b9\u30ef\u30fc\u30c9
diff --git a/src/main/resources/fess_label_ko.properties b/src/main/resources/fess_label_ko.properties
index 010295b04..a999a98a1 100644
--- a/src/main/resources/fess_label_ko.properties
+++ b/src/main/resources/fess_label_ko.properties
@@ -133,7 +133,6 @@ labels.suggestSearchLog = \uc790\ub3d9\uc644\uc131\uc6a9 \uac80\uc0c9 \ub85c\uad
 labels.suggestWord = \uc790\ub3d9\uc644\uc131 \ub2e8\uc5b4
 labels.targetLabel = \ub808\uc774\ube14(Label)
 labels.term = \uac80\uc0c9\uc5b4
-labels.searchParams = \uac80\uc0c9 \ub9e4\uac1c \ubcc0\uc218
 labels.fields = \ud544\ub4dc
 labels.ex_q = \ud655\uc7a5 \ucffc\ub9ac
 labels.oldPassword = \ud604\uc7ac \ube44\ubc00\ubc88\ud638
diff --git a/src/main/resources/fess_label_ru.properties b/src/main/resources/fess_label_ru.properties
index ab470f27f..492046bc4 100644
--- a/src/main/resources/fess_label_ru.properties
+++ b/src/main/resources/fess_label_ru.properties
@@ -132,7 +132,6 @@ labels.suggestSearchLog=\u0416\u0443\u0440\u043d\u0430\u043b \u043f\u0440\u0435\
 labels.suggestWord=\u041f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u044b\u0435 \u0441\u043b\u043e\u0432\u0430
 labels.targetLabel=\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435
 labels.term=\u0421\u0440\u043e\u043a
-labels.searchParams=\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u043f\u043e\u0438\u0441\u043a\u0430
 labels.fields=\u041f\u043e\u043b\u044f
 labels.ex_q=\u0420\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0439 \u0437\u0430\u043f\u0440\u043e\u0441
 labels.ldapProviderUrl=LDAP URL
diff --git a/src/main/webapp/WEB-INF/view/admin/design/admin_design.jsp b/src/main/webapp/WEB-INF/view/admin/design/admin_design.jsp
index 7621a4a5b..c85f761d9 100644
--- a/src/main/webapp/WEB-INF/view/admin/design/admin_design.jsp
+++ b/src/main/webapp/WEB-INF/view/admin/design/admin_design.jsp
@@ -194,8 +194,7 @@
 								<!-- /.box-header -->
 								<div class="box-body">
 									<div class="form-group row">
-										<label for="searchParams.url"
-											class="col-sm-3 form-control-label"><la:message
+										<label class="col-sm-3 form-control-label"><la:message
 												key="labels.design_file" /></label>
 										<div class="col-sm-9">
 											<la:errors property="designFile" />
@@ -203,8 +202,7 @@
 										</div>
 									</div>
 									<div class="form-group row">
-										<label for="searchParams.url"
-											class="col-sm-3 form-control-label"><la:message
+										<label class="col-sm-3 form-control-label"><la:message
 												key="labels.design_file_name" /></label>
 										<div class="col-sm-9">
 											<la:errors property="designFileName" />