diff --git a/src/main/scala/gitbucket/core/service/IssuesService.scala b/src/main/scala/gitbucket/core/service/IssuesService.scala
index 3fcd293..af0cec6 100644
--- a/src/main/scala/gitbucket/core/service/IssuesService.scala
+++ b/src/main/scala/gitbucket/core/service/IssuesService.scala
@@ -336,7 +336,7 @@
     implicit s: Session
   ) =
     Issues filter { t1 =>
-      (if (repos.size == 1) {
+      (if (repos.sizeIs == 1) {
          t1.byRepository(repos.head._1, repos.head._2)
        } else {
          ((t1.userName ++ "/" ++ t1.repositoryName) inSetBind (repos.map { case (owner, repo) => s"$owner/$repo" }))
diff --git a/src/main/scala/gitbucket/core/service/ProtectedBranchService.scala b/src/main/scala/gitbucket/core/service/ProtectedBranchService.scala
index e20128e..ecbcd19 100644
--- a/src/main/scala/gitbucket/core/service/ProtectedBranchService.scala
+++ b/src/main/scala/gitbucket/core/service/ProtectedBranchService.scala
@@ -153,9 +153,9 @@
             Some("Cannot force-push to a protected branch")
           case ReceiveCommand.Type.UPDATE | ReceiveCommand.Type.UPDATE_NONFASTFORWARD if needStatusCheck(pusher) =>
             unSuccessedContexts(command.getNewId.name) match {
-              case s if s.size == 1 => Some(s"""Required status check "${s.toSeq(0)}" is expected""")
-              case s if s.size >= 1 => Some(s"${s.size} of ${contexts.size} required status checks are expected")
-              case _                => None
+              case s if s.sizeIs == 1 => Some(s"""Required status check "${s.toSeq(0)}" is expected""")
+              case s if s.sizeIs >= 1 => Some(s"${s.size} of ${contexts.size} required status checks are expected")
+              case _                  => None
             }
           case ReceiveCommand.Type.DELETE =>
             Some("Cannot delete a protected branch")