diff --git a/src/main/scala/gitbucket/core/controller/DashboardController.scala b/src/main/scala/gitbucket/core/controller/DashboardController.scala
index 0f4648e..1227f24 100644
--- a/src/main/scala/gitbucket/core/controller/DashboardController.scala
+++ b/src/main/scala/gitbucket/core/controller/DashboardController.scala
@@ -15,20 +15,7 @@
     with UsersAuthenticator =>
 
   get("/dashboard/issues")(usersOnly {
-    val q = request.getParameter("q")
-    val account = context.loginAccount.get
-    Option(q).map { q =>
-      val condition = IssueSearchCondition(q, Map[String, Int]())
-      q match {
-        case q if(q.contains("is:pr")) => redirect(s"/dashboard/pulls?q=${StringUtil.urlEncode(q)}")
-        case q if(q.contains(s"author:${account.userName}")) => redirect(s"/dashboard/issues/created_by${condition.toURL}")
-        case q if(q.contains(s"assignee:${account.userName}")) => redirect(s"/dashboard/issues/assigned${condition.toURL}")
-        case q if(q.contains(s"mentions:${account.userName}")) => redirect(s"/dashboard/issues/mentioned${condition.toURL}")
-        case _ => searchIssues("created_by")
-      }
-    } getOrElse {
-      searchIssues("created_by")
-    }
+    searchIssues("created_by")
   })
 
   get("/dashboard/issues/assigned")(usersOnly {
@@ -44,20 +31,7 @@
   })
 
   get("/dashboard/pulls")(usersOnly {
-    val q = request.getParameter("q")
-    val account = context.loginAccount.get
-    Option(q).map { q =>
-      val condition = IssueSearchCondition(q, Map[String, Int]())
-      q match {
-        case q if(q.contains("is:issue")) => redirect(s"/dashboard/issues?q=${StringUtil.urlEncode(q)}")
-        case q if(q.contains(s"author:${account.userName}")) => redirect(s"/dashboard/pulls/created_by${condition.toURL}")
-        case q if(q.contains(s"assignee:${account.userName}")) => redirect(s"/dashboard/pulls/assigned${condition.toURL}")
-        case q if(q.contains(s"mentions:${account.userName}")) => redirect(s"/dashboard/pulls/mentioned${condition.toURL}")
-        case _ => searchPullRequests("created_by")
-      }
-    } getOrElse {
-      searchPullRequests("created_by")
-    }
+    searchPullRequests("created_by")
   })
 
   get("/dashboard/pulls/created_by")(usersOnly {
@@ -73,14 +47,7 @@
   })
 
   private def getOrCreateCondition(key: String, filter: String, userName: String) = {
-    val condition = session.putAndGet(key, if(request.hasQueryString){
-      val q = request.getParameter("q")
-      if(q == null){
-        IssueSearchCondition(request)
-      } else {
-        IssueSearchCondition(q, Map[String, Int]())
-      }
-    } else session.getAs[IssueSearchCondition](key).getOrElse(IssueSearchCondition()))
+    val condition = IssueSearchCondition(request)
 
     filter match {
       case "assigned"  => condition.copy(assigned = Some(Some(userName)), author = None, mentioned = None)
diff --git a/src/main/scala/gitbucket/core/controller/IssuesController.scala b/src/main/scala/gitbucket/core/controller/IssuesController.scala
index 4bdfac2..f425b60 100644
--- a/src/main/scala/gitbucket/core/controller/IssuesController.scala
+++ b/src/main/scala/gitbucket/core/controller/IssuesController.scala
@@ -363,16 +363,7 @@
       val sessionKey = Keys.Session.Issues(owner, repoName)
 
       // retrieve search condition
-      val condition = session.putAndGet(sessionKey,
-        if(request.hasQueryString){
-          val q = request.getParameter("q")
-          if(q == null || q.trim.isEmpty){
-            IssueSearchCondition(request)
-          } else {
-            IssueSearchCondition(q, getMilestones(owner, repoName).map(x => (x.title, x.milestoneId)).toMap)
-          }
-        } else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
-      )
+      val condition = IssueSearchCondition(request)
 
       html.list(
           "issues",
diff --git a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
index ed5810b..803ab51 100644
--- a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
+++ b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
@@ -520,10 +520,7 @@
       val sessionKey = Keys.Session.Pulls(owner, repoName)
 
       // retrieve search condition
-      val condition = session.putAndGet(sessionKey,
-        if(request.hasQueryString) IssueSearchCondition(request)
-        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
-      )
+      val condition = IssueSearchCondition(request)
 
       gitbucket.core.issues.html.list(
         "pulls",
diff --git a/src/main/scala/gitbucket/core/service/IssuesService.scala b/src/main/scala/gitbucket/core/service/IssuesService.scala
index 911e3ca..37f7deb 100644
--- a/src/main/scala/gitbucket/core/service/IssuesService.scala
+++ b/src/main/scala/gitbucket/core/service/IssuesService.scala
@@ -519,50 +519,6 @@
     }
 
     /**
-     * Restores IssueSearchCondition instance from filter query.
-     */
-    def apply(filter: String, milestones: Map[String, Int]): IssueSearchCondition = {
-      val conditions = filter.split("[ 　\t]+").flatMap { x =>
-        x.split(":") match {
-           case Array(key, value) => Some((key, value))
-           case _ => None
-        }
-      }.groupBy(_._1).map { case (key, values) =>
-        key -> values.map(_._2).toSeq
-      }
-
-      val (sort, direction) = conditions.get("sort").flatMap(_.headOption).getOrElse("created-desc") match {
-        case "created-asc"   => ("created" , "asc" )
-        case "comments-desc" => ("comments", "desc")
-        case "comments-asc"  => ("comments", "asc" )
-        case "updated-desc"  => ("comments", "desc")
-        case "updated-asc"   => ("comments", "asc" )
-        case _               => ("created" , "desc")
-      }
-
-      IssueSearchCondition(
-        conditions.get("label").map(_.toSet).getOrElse(Set.empty),
-        conditions.get("milestone").flatMap(_.headOption) match {
-          case None         => None
-          case Some("none") => Some(None)
-          case Some(x)      => Some(Some(x))
-        },
-        conditions.get("author").flatMap(_.headOption),
-        conditions.get("assignee").flatMap(_.headOption) match {
-          case None         => None
-          case Some("none") => Some(None)
-          case Some(x)      => Some(Some(x))
-        },
-        conditions.get("mentions").flatMap(_.headOption),
-        conditions.get("is").getOrElse(Seq.empty).find(x => x == "open" || x == "closed").getOrElse("open"),
-        sort,
-        direction,
-        conditions.get("visibility").flatMap(_.headOption),
-        conditions.get("group").map(_.toSet).getOrElse(Set.empty)
-      )
-    }
-
-    /**
      * Restores IssueSearchCondition instance from request parameters.
      */
     def apply(request: HttpServletRequest): IssueSearchCondition =
diff --git a/src/main/scala/gitbucket/core/util/Implicits.scala b/src/main/scala/gitbucket/core/util/Implicits.scala
index 12623a4..d93ebe2 100644
--- a/src/main/scala/gitbucket/core/util/Implicits.scala
+++ b/src/main/scala/gitbucket/core/util/Implicits.scala
@@ -85,12 +85,6 @@
   }
 
   implicit class RichSession(session: HttpSession){
-
-    def putAndGet[T](key: String, value: T): T = {
-      session.setAttribute(key, value)
-      value
-    }
-
     def getAndRemove[T](key: String): Option[T] = {
       val value = session.getAttribute(key).asInstanceOf[T]
       if(value == null){