diff --git a/src/util/fattest.cpp b/src/util/fattest.cpp
deleted file mode 100644
index da57051c..00000000
--- a/src/util/fattest.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-#include "library/filesystem.hpp"
-#include <cstring>
-#include <sstream>
-#include <iostream>
-
-int main(int argc, char** argv)
-{
-	filesystem x(argv[1]);
-	if(!strcmp(argv[2], "allocate")) {
-		uint32_t c = x.allocate_cluster();
-		std::cerr << "Allocated cluster " << c << std::endl;
-	}
-	if(!strcmp(argv[2], "delete")) {
-		std::istringstream s(argv[3]);
-		uint32_t c;
-		s >> c;
-		x.free_cluster_chain(c);
-	}
-	if(!strcmp(argv[2], "skip")) {
-		std::istringstream s1(argv[3]);
-		std::istringstream s2(argv[4]);
-		std::istringstream s3(argv[5]);
-		uint32_t c1, c2, c3;
-		s1 >> c1;
-		s2 >> c2;
-		s3 >> c3;
-		size_t r = x.skip_data(c1, c2, c3);
-		std::cerr << "Skip_data: cluster=" << c1 << " ptr=" << c2 << " amount=" << r << std::endl;
-	}
-	if(!strcmp(argv[2], "read")) {
-		std::istringstream s1(argv[3]);
-		std::istringstream s2(argv[4]);
-		std::istringstream s3(argv[5]);
-		uint32_t c1, c2, c3;
-		s1 >> c1;
-		s2 >> c2;
-		s3 >> c3;
-		char* buf = (char*)calloc(c3 + 1, 1);
-		size_t r = x.read_data(c1, c2, buf, c3);
-		std::cerr << "Read_data: cluster=" << c1 << " ptr=" << c2 << " amount=" << r << std::endl;
-		std::cerr << buf << std::endl;
-	}
-	if(!strcmp(argv[2], "write")) {
-		std::istringstream s1(argv[3]);
-		std::istringstream s2(argv[4]);
-		uint32_t c1, c2, c4, c5;
-		s1 >> c1;
-		s2 >> c2;
-		x.write_data(c1, c2, argv[5], strlen(argv[5]), c4, c5);
-		std::cerr << "Write_data: cluster=" << c1 << " ptr=" << c2 << " rcluster=" << c4
-			<< " rptr=" << c5 << std::endl;
-	}
-}