diff --git a/rtl/DE0-NANO/.gitignore b/rtl/DE0-NANO/.gitignore
index 56d42fd..536b13e 100644
--- a/rtl/DE0-NANO/.gitignore
+++ b/rtl/DE0-NANO/.gitignore
@@ -1,13 +1,8 @@
 db/
 incremental_db/
-output_files/
 greybox_tmp/
 *.vcd
 *.vvp
-*.hex
-*.bin
 *.map
-*.elf
 *.bak
-*.o