diff --git a/deps/ox/src/ox/fs/filestore/filestoretemplate.hpp b/deps/ox/src/ox/fs/filestore/filestoretemplate.hpp
index 97f2fdd9..0d67e7e4 100644
--- a/deps/ox/src/ox/fs/filestore/filestoretemplate.hpp
+++ b/deps/ox/src/ox/fs/filestore/filestoretemplate.hpp
@@ -106,13 +106,15 @@ class FileStoreTemplate {
 		 * @return 0 if read is a success
 		 */
 		template<typename T>
-		[[nodiscard]] Error read(InodeId_t id, FsSize_t readStart,
+		[[nodiscard]] ox::Error read(InodeId_t id, FsSize_t readStart,
 		           FsSize_t readSize, T *data,
 		           FsSize_t *size) const;
 
 		[[nodiscard]] ValErr<StatInfo> stat(InodeId_t id);
 
-		[[nodiscard]] Error resize(std::size_t size, void *newBuff = nullptr);
+		void resize();
+
+		[[nodiscard]] ox::Error resize(std::size_t size, void *newBuff = nullptr);
 
 		[[nodiscard]] InodeId_t spaceNeeded(FsSize_t size);
 
@@ -409,6 +411,12 @@ const ptrarith::Ptr<uint8_t, std::size_t> FileStoreTemplate<size_t>::read(InodeI
 	}
 }
 
+template<typename size_t>
+void FileStoreTemplate<size_t>::resize() {
+	compact();
+	m_buffSize = size() - available();
+}
+
 template<typename size_t>
 Error FileStoreTemplate<size_t>::resize(std::size_t size, void *newBuff) {
 	m_buffSize = size;
@@ -484,6 +492,7 @@ void FileStoreTemplate<size_t>::compact() {
 				<< "from" << oldAddr
 				<< "to" << item.offset();
 			auto parent = findParent(rootInode(), item);
+			oxAssert(parent.valid(), "Parent inode not found.");
 			if (parent.valid()) {
 				if (parent->left == oldAddr) {
 					parent->left = item;
diff --git a/deps/ox/src/ox/fs/filesystem/filesystem.hpp b/deps/ox/src/ox/fs/filesystem/filesystem.hpp
index 28234974..3e1a3204 100644
--- a/deps/ox/src/ox/fs/filesystem/filesystem.hpp
+++ b/deps/ox/src/ox/fs/filesystem/filesystem.hpp
@@ -102,6 +102,11 @@ class FileSystemTemplate: public FileSystem {
 
 		[[nodiscard]] ox::Error remove(const char *path, bool recursive = false) override;
 
+		/**
+		 * Resizes FileSystem to minimum possible size.
+		 */
+		void resize();
+
 		[[nodiscard]] ox::Error resize(uint64_t size, void *buffer = nullptr) override;
 
 		[[nodiscard]] ox::Error write(const char *path, void *buffer, uint64_t size, uint8_t fileType = FileType_NormalFile) override;
@@ -237,6 +242,11 @@ ox::Error FileSystemTemplate<FileStore, Directory>::remove(const char *path, boo
 	return OxError(0);
 }
 
+template<typename FileStore, typename Directory>
+void FileSystemTemplate<FileStore, Directory>::resize() {
+	m_fs.resize();
+}
+
 template<typename FileStore, typename Directory>
 ox::Error FileSystemTemplate<FileStore, Directory>::resize(uint64_t size, void *buffer) {
 	oxReturnError(m_fs.resize(size, buffer));