diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index c54c9ab..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "actsim"]
-	path = actsim
-	url = git@github.com:asyncvlsi/actsim.git
diff --git a/actsim b/actsim
deleted file mode 160000
index 76f0942..0000000
--- a/actsim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 76f0942741c16c8e8a2f17db03f63d01ba59ca3e