diff --git a/tools/rimage/.gitmodules b/tools/rimage/.gitmodules
deleted file mode 100644
index 5ade8be2a..000000000
--- a/tools/rimage/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "tomlc99"]
-	path = tomlc99
-	url = https://github.com/thesofproject/tomlc99.git
-	branch = master