diff --git a/src/main/scala/service/WikiService.scala b/src/main/scala/service/WikiService.scala
index eb77e4b..2a3cd6e 100644
--- a/src/main/scala/service/WikiService.scala
+++ b/src/main/scala/service/WikiService.scala
@@ -48,13 +48,8 @@
     LockUtil.lock(s"${owner}/${repository}/wiki"){
       defining(Directory.getWikiRepositoryDir(owner, repository)){ dir =>
         if(!dir.exists){
-          try {
-            JGitUtil.initRepository(dir)
-            saveWikiPage(owner, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", loginAccount, "Initial Commit", None)
-          } finally {
-            // once delete cloned repository because initial cloned repository does not have 'branch.master.merge'
-            FileUtils.deleteDirectory(Directory.getWikiWorkDir(owner, repository))
-          }
+          JGitUtil.initRepository(dir)
+          saveWikiPage(owner, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", loginAccount, "Initial Commit", None)
         }
       }
     }
diff --git a/src/main/scala/util/Directory.scala b/src/main/scala/util/Directory.scala
index 5409962..f7f064a 100644
--- a/src/main/scala/util/Directory.scala
+++ b/src/main/scala/util/Directory.scala
@@ -70,11 +70,5 @@
    */
   def getWikiRepositoryDir(owner: String, repository: String): File =
     new File(s"${RepositoryHome}/${owner}/${repository}.wiki.git")
-  
-  /**
-   * Wiki working directory which is cloned from the wiki repository.
-   */
-  def getWikiWorkDir(owner: String, repository: String): File =
-    new File(getTemporaryDir(owner, repository), "wiki")
 
 }
\ No newline at end of file