diff --git a/.gitmodules b/.gitmodules
index 8d57903..1002703 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "materials_discovery"]
 	path = materials_discovery
 	url = git@github.com:google-deepmind/materials_discovery
-[submodule "archive-optimade-integration"]
-	path = archive-optimade-integration
-	url = git@github.com:materialscloud-org/archive-optimade-integration/
diff --git a/archive-optimade-integration b/archive-optimade-integration
deleted file mode 160000
index 058b9e0..0000000
--- a/archive-optimade-integration
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 058b9e02be34663cafbcfe5dc20954dfc60309d4
diff --git a/requirements.txt b/requirements.txt
index 582381d..9a37576 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 absl-py==2.0.0
+optimade-maker==0.3.0