diff --git a/labelImg/data/predefined_classes.txt b/labelImg/data/predefined_classes.txt
index bc2eef13..819de5f7 100755
--- a/labelImg/data/predefined_classes.txt
+++ b/labelImg/data/predefined_classes.txt
@@ -1,15 +1,4 @@
-dog
-person
-cat
-tv
-car
-meatballs
-marinara sauce
-tomato soup
-chicken noodle soup
-french onion soup
-chicken breast
-ribs
-pulled pork
-hamburger
-cavity
\ No newline at end of file
+pipe
+l_trail
+r_trail
+track
\ No newline at end of file