diff --git a/.gitmodules b/.gitmodules
index 565c4a9..20f350e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "third_party/zephyr_bluetooth-2.7.5/zephyr_bluetooth"]
 	path = third_party/zephyr_bluetooth-2.7.5/zephyr_bluetooth
 	url = https://github.com/sakumisu/zephyr_bluetooth.git
-[submodule "third_party/nimble-1.6.0/nimble"]
-	path = third_party/nimble-1.6.0/nimble
-	url = https://github.com/sakumisu/mynewt-nimble.git
diff --git a/third_party/nimble-1.6.0/nimble b/third_party/nimble-1.6.0/nimble
deleted file mode 160000
index 4d192d1..0000000
--- a/third_party/nimble-1.6.0/nimble
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4d192d129ea7f1c58c3f735d2e8db85faed2503c
diff --git a/third_party/nimble-1.6.0/nimble/.gitkeep b/third_party/nimble-1.6.0/nimble/.gitkeep
new file mode 100644
index 0000000..7b67f41
--- /dev/null
+++ b/third_party/nimble-1.6.0/nimble/.gitkeep
@@ -0,0 +1 @@
+https://github.com/sakumisu/mynewt-nimble
\ No newline at end of file