diff --git a/.gitmodules b/.gitmodules
index 5f8d8ec431..26451efda8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,6 +37,3 @@
 [submodule "src/drivers/gps/devices"]
 	path = src/drivers/gps/devices
 	url = https://github.com/PX4/GpsDrivers.git
-[submodule "src/lib/micro-CDR"]
-	path = src/lib/micro-CDR
-	url = https://github.com/eProsima/micro-CDR.git
diff --git a/src/lib/micro-CDR b/src/lib/micro-CDR
deleted file mode 160000
index f2193957eb..0000000000
--- a/src/lib/micro-CDR
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit f2193957eb36365680647c6ed07a8bf8a3e71a9e