diff --git a/include/friendica_smarty.php b/include/friendica_smarty.php
index f0d819d623..a7d153e309 100644
--- a/include/friendica_smarty.php
+++ b/include/friendica_smarty.php
@@ -3,8 +3,6 @@
 use Friendica\Core\Addon;
 use Friendica\Render\ITemplateEngine;
 
-require_once "include/plugin.php";
-
 define('SMARTY3_TEMPLATE_FOLDER', 'templates');
 
 class FriendicaSmarty extends Smarty
diff --git a/mod/statistics_json.php b/mod/statistics_json.php
index 94a7fc9e1c..f2c6e074f9 100644
--- a/mod/statistics_json.php
+++ b/mod/statistics_json.php
@@ -8,8 +8,6 @@ use Friendica\App;
 use Friendica\Core\Addon;
 use Friendica\Core\Config;
 
-require_once("include/plugin.php");
-
 function statistics_json_init(App $a) {
 
 	if (!Config::get("system", "nodeinfo")) {
diff --git a/src/Content/Feature.php b/src/Content/Feature.php
index d35fcf7030..47b72dce3d 100644
--- a/src/Content/Feature.php
+++ b/src/Content/Feature.php
@@ -9,8 +9,6 @@ use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 
-require_once 'include/plugin.php';
-
 class Feature
 {
 	/**
diff --git a/src/Model/User.php b/src/Model/User.php
index 57f1d0ab24..e8fdb4d040 100644
--- a/src/Model/User.php
+++ b/src/Model/User.php
@@ -27,7 +27,6 @@ require_once 'include/enotify.php';
 require_once 'include/network.php';
 require_once 'library/openid.php';
 require_once 'include/pgettext.php';
-require_once 'include/plugin.php';
 require_once 'include/text.php';
 /**
  * @brief This class handles User related functions
diff --git a/src/Network/FKOAuth1.php b/src/Network/FKOAuth1.php
index 93e17a7045..49483fe272 100644
--- a/src/Network/FKOAuth1.php
+++ b/src/Network/FKOAuth1.php
@@ -16,7 +16,6 @@ use OAuthSignatureMethod_PLAINTEXT;
 use OAuthSignatureMethod_HMAC_SHA1;
 
 require_once "library/OAuth1.php";
-require_once "include/plugin.php";
 
 /**
  * @brief OAuth protocol
diff --git a/update.php b/update.php
index 0dc3398ec4..ff0885229d 100644
--- a/update.php
+++ b/update.php
@@ -82,8 +82,6 @@ function update_1189() {
 
 function update_1191() {
 
-	require_once 'include/plugin.php';
-
 	Config::set('system', 'maintenance', 1);
 
 	if (Addon::isEnabled('forumlist')) {
diff --git a/view/theme/vier/theme.php b/view/theme/vier/theme.php
index 4a57199f16..57df31aeed 100644
--- a/view/theme/vier/theme.php
+++ b/view/theme/vier/theme.php
@@ -19,7 +19,6 @@ use Friendica\Database\DBM;
 use Friendica\Model\GContact;
 use Friendica\Model\Profile;
 
-require_once "include/plugin.php";
 require_once "mod/proxy.php";
 
 function vier_init(App $a) {