diff --git a/modules/sandbox/.gitmodules b/modules/sandbox/.gitmodules
deleted file mode 100644
index 49e18560d0f7..000000000000
--- a/modules/sandbox/.gitmodules
+++ /dev/null
@@ -1,9 +0,0 @@
-[submodule "libriscv"]
-	path = ext/libriscv
-	url = https://github.com/fwsGonzo/libriscv.git
-[submodule "godot-cpp"]
-	path = ext/godot-cpp
-	url = https://github.com/godotengine/godot-cpp.git
-[submodule "ext/Gut"]
-	path = ext/Gut
-	url = https://github.com/bitwes/Gut.git