diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 8b4b9eb0a..000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "slides/working-with-workspace"]
-	path = slides/working-with-workspace
-	url = https://github.com/opdavies/slides-working-with-workspace