diff --git a/.gitmodules b/.gitmodules
index 1e5a4bc513..4b7e942c65 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,10 +18,6 @@
 	path = src/lib/matrix
 	url = https://github.com/PX4/PX4-Matrix.git
 	branch = master
-[submodule "src/lib/ecl"]
-	path = src/lib/ecl
-	url = https://github.com/PX4/PX4-ECL.git
-	branch = master
 [submodule "boards/atlflight/cmake_hexagon"]
 	path = boards/atlflight/cmake_hexagon
 	url = https://github.com/PX4/cmake_hexagon.git
diff --git a/src/lib/ecl b/src/lib/ecl
deleted file mode 160000
index ca4932cfc0..0000000000
--- a/src/lib/ecl
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ca4932cfc0debacd81dfd1182634d91afca5ecb3