diff --git a/src/classes/j.h b/src/datalink/obstacle.h
similarity index 98%
rename from src/classes/j.h
rename to src/datalink/obstacle.h
index 20fae0b1ae664835fb27bef3efe5bd01e2de108f..3ee01fdeeda3eed75a10abd26bd1460f50fe8b3e 100644
--- a/src/classes/j.h
+++ b/src/datalink/obstacle.h
@@ -1,4 +1,3 @@
-
 class obstacle : public abstractobject
 {