diff --git a/crazyflie_software_bigquad/.gitkeep b/crazyflie_software_bigquad/.gitkeep
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/crazyflie_software_bigquad/crazyflie-firmware-2021.06 b/crazyflie_software_bigquad/crazyflie-firmware-2021.06
deleted file mode 160000
index db5761de8109344a722549c772c01297908bf561..0000000000000000000000000000000000000000
--- a/crazyflie_software_bigquad/crazyflie-firmware-2021.06
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit db5761de8109344a722549c772c01297908bf561