diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 090878d9d..000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,6 +0,0 @@
-[submodule "app/assets/stylesheets/govuk_frontend_toolkit"]
-	path = app/assets/govuk_frontend_toolkit
-	url = https://github.com/alphagov/govuk_frontend_toolkit.git
-[submodule "app/assets/stylesheets/govuk_elements"]
-	path = app/assets/govuk_elements
-	url = https://github.com/alphagov/govuk_elements.git