diff --git a/Makefile b/Makefile
index 0346ea6..f3bf534 100755
--- a/Makefile
+++ b/Makefile
@@ -36,4 +36,5 @@ clean:
 	external/libconfig/libconfig-1.7.3 \
 	external/goahead-5.2.0/GoAhead \
 	output_files \
-	cmake-shell
\ No newline at end of file
+	cmake-shell
+	@git checkout output_files
\ No newline at end of file
diff --git a/test.txt b/test.txt
deleted file mode 100644
index e69de29..0000000