diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index e2e3aa41..b7c56e4a 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -10,7 +10,6 @@ use SPC\exception\WrongUsageException;
 use SPC\store\Config;
 use SPC\store\FileSystem;
 use SPC\util\SPCConfigUtil;
-use SPC\util\SPCTarget;
 
 class Extension
 {