diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index bcaed2e..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "themes/sam"]
-	path = themes/sam
-	url = https://github.com/vickylai/hugo-theme-sam.git
diff --git a/themes/sam b/themes/sam
deleted file mode 160000
index 9a2db4d..0000000
--- a/themes/sam
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9a2db4d3dfca3f30fad627f3c8d2477ac141fe64