diff --git a/.gitmodules b/.gitmodules
index f0f8e775..22341592 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "openeo_driver/specs/openeo-processes/1.0"]
 	path = openeo_driver/specs/openeo-processes/1.x
 	url = https://github.com/Open-EO/openeo-processes.git
-[submodule "openeo_driver/specs/openeo-processes/0.4"]
-	path = openeo_driver/specs/openeo-processes/0.4
-	url = https://github.com/Open-EO/openeo-processes.git
 [submodule "openeo_driver/specs/openeo-api/1.0"]
 	path = openeo_driver/specs/openeo-api/1.x
 	url = https://github.com/Open-EO/openeo-api.git
diff --git a/openeo_driver/specs/openeo-processes/.gitignore b/openeo_driver/specs/openeo-processes/.gitignore
index d3827e75..0406a20a 100644
--- a/openeo_driver/specs/openeo-processes/.gitignore
+++ b/openeo_driver/specs/openeo-processes/.gitignore
@@ -1 +1,2 @@
+0.4
 1.0
diff --git a/openeo_driver/specs/openeo-processes/0.4 b/openeo_driver/specs/openeo-processes/0.4
deleted file mode 160000
index 5bc9a5ee..00000000
--- a/openeo_driver/specs/openeo-processes/0.4
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5bc9a5eefb207a7e149586692e9165667a7ab189