diff --git a/public_html/deployment/classes/build.interface.php b/public_html/deployment/classes/build.interface.php
index d91037d109a0c1f3a74e19920a8d6fec01e25f84..9c9abf36cf15b5c69b65699c9d8829eaea719b4f 100644
--- a/public_html/deployment/classes/build.interface.php
+++ b/public_html/deployment/classes/build.interface.php
@@ -5,37 +5,19 @@
  * @author hahn
  */
 interface iBuildplugin {
-
-    // ----------------------------------------------------------------------
-    // VERIFY
-    // ----------------------------------------------------------------------
     
     /**
-     * check requirements if the plugin could work
-    public function checkRequirements();
+     * get an array of commands to check requirements 
+     * if the plugin is able to work
+     * @return array
      */
+    public function checkRequirements();
 
     /**
      * get an array with shell commands to execute
      * @return array
      */
     public function getBuildCommands();
-
-    /**
-     * get name of plugin as string ... language specific
-    public function getName();
-     */
-    
-    /**
-     * get description of plugin as string ... language specific
-    public function getDescription();
-     */
-    
-    /**
-     * get array of data in info.js
-    public function getPluginInfos();
-     */
-
     
 }
 
diff --git a/public_html/deployment/classes/build_base.class.php b/public_html/deployment/classes/build_base.class.php
index 29f22c1547c75028771be0b1299f8565af079f8a..5f46ec4983c6fe4f844ef428f55ac0e2392e9d1a 100644
--- a/public_html/deployment/classes/build_base.class.php
+++ b/public_html/deployment/classes/build_base.class.php
@@ -111,15 +111,23 @@ class build_base implements iBuildplugin{
         return $this->_sOutfile=$sOutFilename ? $sOutFilename.$this->getExtension() : $this->_sOutfile;
     }
 
-
     // ---------------------------------------------------------------
     // GETTER
     // ---------------------------------------------------------------
+    
+    /**
+     * check requirements if the plugin could work
+     * @return array
+     */
+    public function checkRequirements() {
+        return [
+            'echo "ERROR: The method checkRequirements() was not implemented in the build plugin ['.$this->getId().']"',
+            'exit 1'
+            ];
+    }
 
     /**
      * get an array with shell commands to execute
-     * @param  string  $sBuildDir     full path of the build directory
-     * @param  string  $sOutFilename  filename for output 
      * @return array
      */
     public function getBuildCommands(){
diff --git a/public_html/deployment/plugins/build/tgz/build_tgz.php b/public_html/deployment/plugins/build/tgz/build_tgz.php
index 6242ea762124b61570103cd8345a13a94a92ec36..743a570b348326cc4ffe2a5766e70769c7d1e686 100644
--- a/public_html/deployment/plugins/build/tgz/build_tgz.php
+++ b/public_html/deployment/plugins/build/tgz/build_tgz.php
@@ -10,6 +10,7 @@ class build_tgz extends build_base {
     
     /**
      * check requirements if the plugin could work
+     * @return array
      */
     public function checkRequirements() {
         return [
@@ -19,8 +20,6 @@ class build_tgz extends build_base {
     
     /**
      * get an array with shell commands to execute
-     * @param  string  $sBuildDir     full path of the build directory
-     * @param  string  $sOutFilename  filename for output 
      * @return array
      */
     public function getBuildCommands(){