diff --git a/.gitmodules b/.gitmodules
index f3975a4..f5b8729 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,9 +10,3 @@
 [submodule "ext/Turbo-Range-Coder"]
 	path = lib/ext/Turbo-Range-Coder
 	url = https://github.com/powturbo/Turbo-Range-Coder
-[submodule "Turbo-Range-Coder"]
-	path = Turbo-Range-Coder
-	url = https://github.com/powturbo/Turbo-Range-Coder
-[submodule "zstd"]
-	path = zstd
-	url = https://github.com/facebook/zstd.git
diff --git a/Turbo-Range-Coder b/Turbo-Range-Coder
deleted file mode 160000
index 514e1ed..0000000
--- a/Turbo-Range-Coder
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 514e1eda399762ee13301c53b6f83040fb88f31b
diff --git a/zstd b/zstd
deleted file mode 160000
index 871f3a4..0000000
--- a/zstd
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 871f3a402653697a22eb892c19db295333a85168