diff --git a/src/main/scala/gitbucket/core/controller/SystemSettingsController.scala b/src/main/scala/gitbucket/core/controller/SystemSettingsController.scala
index 47585c7..080d499 100644
--- a/src/main/scala/gitbucket/core/controller/SystemSettingsController.scala
+++ b/src/main/scala/gitbucket/core/controller/SystemSettingsController.scala
@@ -64,8 +64,7 @@
         "ssl"                      -> trim(label("Enable SSL", optional(boolean()))),
         "keystore"                 -> trim(label("Keystore", optional(text())))
     )(Ldap.apply)),
-    "skinName" -> trim(label("AdminLTE skin name", text(required))),
-    "debug" -> trim(label("Debug", boolean()))
+    "skinName" -> trim(label("AdminLTE skin name", text(required)))
   )(SystemSettings.apply).verifying { settings =>
     Vector(
       if(settings.ssh && settings.baseUrl.isEmpty){
diff --git a/src/main/scala/gitbucket/core/service/SystemSettingsService.scala b/src/main/scala/gitbucket/core/service/SystemSettingsService.scala
index 591dd54..c73ed35 100644
--- a/src/main/scala/gitbucket/core/service/SystemSettingsService.scala
+++ b/src/main/scala/gitbucket/core/service/SystemSettingsService.scala
@@ -55,7 +55,6 @@
         }
       }
       props.setProperty(SkinName, settings.skinName.toString)
-      props.setProperty(Debug, settings.debug.toString)
       using(new java.io.FileOutputStream(GitBucketConf)){ out =>
         props.store(out, null)
       }
@@ -114,8 +113,7 @@
         } else {
           None
         },
-        getValue(props, SkinName, "skin-blue"),
-        getValue(props, Debug, false)
+        getValue(props, SkinName, "skin-blue")
       )
     }
   }
@@ -141,8 +139,7 @@
     smtp: Option[Smtp],
     ldapAuthentication: Boolean,
     ldap: Option[Ldap],
-    skinName: String,
-    debug: Boolean){
+    skinName: String){
     def baseUrl(request: HttpServletRequest): String = baseUrl.fold(request.baseUrl)(_.stripSuffix("/"))
 
     def sshAddress:Option[SshAddress] =
@@ -226,7 +223,6 @@
   private val LdapSsl = "ldap.ssl"
   private val LdapKeystore = "ldap.keystore"
   private val SkinName = "skinName"
-  private val Debug = "debug"
 
   private def getValue[A: ClassTag](props: java.util.Properties, key: String, default: A): A = {
     getSystemProperty(key).getOrElse(getEnvironmentVariable(key).getOrElse {
diff --git a/src/main/twirl/gitbucket/core/error.scala.html b/src/main/twirl/gitbucket/core/error.scala.html
index 2671797..cd01eda 100644
--- a/src/main/twirl/gitbucket/core/error.scala.html
+++ b/src/main/twirl/gitbucket/core/error.scala.html
@@ -3,7 +3,7 @@
   <div class="content-wrapper main-center">
     <div class="content body">
       <h1>@title</h1>
-      @if(context.loginAccount.map{_.isAdmin}.getOrElse(false) || context.settings.debug){
+      @if(context.loginAccount.map{_.isAdmin}.getOrElse(false)){
         @e.map { ex =>
           <h2>@ex.getMessage</h2>
           <table class="table table-condensed table-striped table-hover">