diff --git a/.gitmodules b/.gitmodules
index bb70263c8..4ae13ed29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "components/external/glean"]
 	path = components/external/glean
 	url = https://github.com/mozilla/glean
-[submodule "components/external/nimbus-sdk"]
-	path = components/external/nimbus-sdk
-	url = https://github.com/mozilla/nimbus-sdk