diff --git a/lib/private/Template/CSSResourceLocator.php b/lib/private/Template/CSSResourceLocator.php
index b592dd63ae..59b49c7337 100755
--- a/lib/private/Template/CSSResourceLocator.php
+++ b/lib/private/Template/CSSResourceLocator.php
@@ -25,25 +25,30 @@
 
 namespace OC\Template;
 
+use OC\SystemConfig;
+use OCP\Files\IAppData;
+use OCP\ILogger;
+use OCP\IURLGenerator;
+
 class CSSResourceLocator extends ResourceLocator {
 
-	/** @var \OCP\Files\IAppData */
+	/** @var IAppData */
 	protected $appData;
-	/** @var \OCP\IURLGenerator */
+	/** @var IURLGenerator */
 	protected $urlGenerator;
-	/** @var \OC\SystemConfig */
+	/** @var SystemConfig */
 	protected $systemConfig;
 
 	/**
-	 * @param \OCP\ILogger $logger
+	 * @param ILogger $logger
 	 * @param string $theme
 	 * @param array $core_map
 	 * @param array $party_map
-	 * @param \OCP\Files\IAppData $appData
-	 * @param \OCP\IURLGenerator $urlGenerator
-	 * @param \OC\SystemConfig $systemConfig
+	 * @param IAppData $appData
+	 * @param IURLGenerator $urlGenerator
+	 * @param SystemConfig $systemConfig
 	 */
-	public function __construct(\OCP\ILogger $logger, $theme, $core_map, $party_map, \OCP\Files\IAppData $appData, \OCP\IURLGenerator $urlGenerator, \OC\SystemConfig $systemConfig) {
+	public function __construct(ILogger $logger, $theme, $core_map, $party_map, IAppData $appData, IURLGenerator $urlGenerator, SystemConfig $systemConfig) {
 		$this->appData = $appData;
 		$this->urlGenerator = $urlGenerator;
 		$this->systemConfig = $systemConfig;
@@ -80,4 +85,36 @@ class CSSResourceLocator extends ResourceLocator {
 			|| $this->appendIfExist($this->serverroot, $theme_dir.$style.'.css')
 			|| $this->appendIfExist($this->serverroot, $theme_dir.'core/'.$style.'.css');
 	}
+
+	/**
+	 * cache and append the scss $file if exist at $root
+	 *
+	 * @param string $root path to check
+	 * @param string $file the filename
+	 * @param \OCP\Files\IAppData $appData
+	 * @param \OCP\IURLGenerator $urlGenerator
+	 * @param \OC\SystemConfig $systemConfig
+	 * @param string|null $webRoot base for path, default map $root to $webRoot
+	 * @return bool True if the resource was found and cached, false otherwise
+	 */
+	protected function cacheAndAppendScssIfExist($root, $file, $appData, $urlGenerator, $systemConfig, $webRoot = null) {
+		if (is_file($root.'/'.$file)) {
+			$scssCache = new SCSSCacher(
+				$this->logger,
+				$root,
+				$file,
+				$appData,
+				$urlGenerator,
+				$systemConfig);
+
+			if($scssCache->process()) {
+				$this->append($root, $scssCache->getCachedSCSS('core'), $webRoot, false);
+				return true;
+			} else {
+				$this->logger->error('Failed to compile and/or save '.$root.'/'.$file, ['app' => 'core']);
+				return false;
+			}
+		}
+		return false;
+	}
 }
diff --git a/lib/private/Template/ResourceLocator.php b/lib/private/Template/ResourceLocator.php
index 07a4387df8..420317d27a 100755
--- a/lib/private/Template/ResourceLocator.php
+++ b/lib/private/Template/ResourceLocator.php
@@ -106,38 +106,6 @@ abstract class ResourceLocator {
 		return false;
 	}
 
-	/**
-	 * cache and append the scss $file if exist at $root
-	 *
-	 * @param string $root path to check
-	 * @param string $file the filename
-	 * @param \OCP\Files\IAppData $appData
-	 * @param \OCP\IURLGenerator $urlGenerator
-	 * @param \OC\SystemConfig $systemConfig
-	 * @param string|null $webRoot base for path, default map $root to $webRoot
-	 * @return bool True if the resource was found and cached, false otherwise
-	 */
-	protected function cacheAndAppendScssIfExist($root, $file, $appData, $urlGenerator, $systemConfig, $webRoot = null) {
-		if (is_file($root.'/'.$file)) {
-			$scssCache = new \OC\Template\SCSSCacher(
-				$this->logger,
-				$root,
-				$file,
-				$appData,
-				$urlGenerator,
-				$systemConfig);
-
-			if($scssCache->process()) {
-				$this->append($root, $scssCache->getCachedSCSS('core'), $webRoot, false);
-				return true;
-			} else {
-				$this->logger->error('Failed to compile and/or save '.$root.'/'.$file, ['app' => 'core']);
-				return false;
-			}
-		}
-		return false;
-	}
-
 	/**
 	 * append the $file resource at $root
 	 *
diff --git a/lib/private/Template/SCSSCacher.php b/lib/private/Template/SCSSCacher.php
index db08653c88..8e42c623d7 100755
--- a/lib/private/Template/SCSSCacher.php
+++ b/lib/private/Template/SCSSCacher.php
@@ -23,39 +23,59 @@ namespace OC\Template;
 
 use Leafo\ScssPhp\Compiler;
 use Leafo\ScssPhp\Exception\ParserException;
+use Leafo\ScssPhp\Formatter\Crunched;
+use Leafo\ScssPhp\Formatter\Expanded;
 use OC\Files\SimpleFS\SimpleFolder;
+use OC\SystemConfig;
+use OCP\Files\IAppData;
 use OCP\Files\NotFoundException;
+use OCP\ILogger;
+use OCP\IURLGenerator;
 
 class SCSSCacher {
 
-	/** 
-	 * @var string The root path to the nextcloud installation
-	 * @var array The exploded absolute path to the file
-	 * @var string The scss filename with extension
-	 * @var string The css filename with extension
-	 * @var string Absolute path to scss file location folder
-	 * @var string Path to scss file from the root installation
-	 * @var SimpleFolder The folder we're putting our compiled css files
-	 */
-	protected $root, $file, $fileNameSCSS, $fileNameCSS, $fileLoc, $rootCssLoc, $folder;
+	/** @var string The root path to the nextcloud installation */
+	protected $root;
+
+	/** @var array The exploded absolute path to the file */
+	protected $file;
+
+	/** @var string The scss filename with extension */
+	protected $fileNameSCSS;
+
+	/** @var string The css filename with extension */
+	protected $fileNameCSS;
+
+	/** @var string Absolute path to scss file location folder */
+	protected $fileLoc;
+
+	/** @var string Path to scss file from the root installation */
+	protected $rootCssLoc;
+
+	/** @var SimpleFolder The folder we're putting our compiled css files */
+	protected $folder;
+
+	/** @var ILogger */
+	protected $logger;
+
+	/** @var IAppData */
+	protected $appData;
+
+	/** @var IURLGenerator */
+	protected $urlGenerator;
+
+	/** @var SystemConfig */
+	protected $systemConfig;
 
 	/**
-	 * @var \OCP\ILogger
-	 * @var \OCP\Files\IAppData
-	 * @var \OCP\IURLGenerator
-	 * @var \OC\SystemConfig
-	 */
-	protected $logger, $appData, $urlGenerator, $systemConfig;
-
-	/**
-	 * @param \OCP\ILogger $logger
+	 * @param ILogger $logger
 	 * @param string $root Root path to the nextcloud installation
 	 * @param string $file 
-	 * @param \OCP\Files\IAppData $appData
-	 * @param \OCP\IURLGenerator $urlGenerator
-	 * @param \OC\SystemConfig $systemConfig
+	 * @param IAppData $appData
+	 * @param IURLGenerator $urlGenerator
+	 * @param SystemConfig $systemConfig
 	 */
-	public function __construct(\OCP\ILogger $logger, $root, $file, \OCP\Files\IAppData $appData, \OCP\IURLGenerator $urlGenerator, \OC\SystemConfig $systemConfig) {
+	public function __construct(ILogger $logger, $root, $file, IAppData $appData, IURLGenerator $urlGenerator, SystemConfig $systemConfig) {
 		$this->logger = $logger;
 		$this->appData = $appData;
 		$this->urlGenerator = $urlGenerator;
@@ -122,11 +142,11 @@ class SCSSCacher {
 		$scss->setImportPaths($this->fileLoc);
 		if($this->systemConfig->getValue('debug')) {
 			// Debug mode
-			$scss->setFormatter('Leafo\ScssPhp\Formatter\Expanded');
+			$scss->setFormatter(Expanded::class);
 			$scss->setLineNumberStyle(Compiler::LINE_COMMENTS);
 		} else {
 			// Compression
-			$scss->setFormatter('Leafo\ScssPhp\Formatter\Crunched');
+			$scss->setFormatter(Crunched::class);
 		}
 
 		try {