diff --git a/demo_basic/path/PLIB.php b/demo_basic/path/PLIB.php
deleted file mode 100644
index f0bb5dd..0000000
--- a/demo_basic/path/PLIB.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-class PLIB extends \SYSTEM\PATH {
-    public static function getPath(){
-        return \SYSTEM\C_ROOT.'lib/'.\SYSTEM\C_SUBPATH;}
-}
diff --git a/demo_basic/path/PPAGE.php b/demo_basic/path/PPAGE.php
deleted file mode 100644
index 138f735..0000000
--- a/demo_basic/path/PPAGE.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-class PPAGE extends \SYSTEM\PATH {
-    public static function getPath(){
-        return \SYSTEM\C_ROOT.'demo_basic/page/'.\SYSTEM\C_SUBPATH;}
-}
diff --git a/demo_basic/path/PSAI.php b/demo_basic/path/PSAI.php
deleted file mode 100644
index f368189..0000000
--- a/demo_basic/path/PSAI.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-class PSAI extends \SYSTEM\PATH {
-    public static function getPath(){
-        return \SYSTEM\C_ROOT.'demo_basic/sai/'.\SYSTEM\C_SUBPATH;}
-}
diff --git a/demo_basic/path/PSQL.php b/demo_basic/path/PSQL.php
deleted file mode 100644
index 8cb7797..0000000
--- a/demo_basic/path/PSQL.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-class PSQL extends \SYSTEM\PATH {
-    public static function getPath(){
-        return \SYSTEM\C_ROOT.'demo_basic/sql/'.\SYSTEM\C_SUBPATH;}
-}