diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index c7629db87..000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "web/slide_puzzle"]
-	path = web/slide_puzzle
-	url = https://github.com/VGVentures/slide_puzzle.git
-	branch = release
\ No newline at end of file
diff --git a/web/slide_puzzle b/web/slide_puzzle
deleted file mode 160000
index e60e70078..000000000
--- a/web/slide_puzzle
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e60e700784c5f6eac9083107bbc24749932ad573