diff --git a/.gitmodules b/.gitmodules
index 789fb3d..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,12 +0,0 @@
-[submodule "caravel"]
-	path = caravel
-	url = https://github.com/efabless/caravel-lite.git
-	branch = master
-[submodule "verilog/rtl/qspim"]
-	path = verilog/rtl/qspim
-	url = https://github.com/dineshannayya/qspim.git
-	branch = master
-[submodule "verilog/rtl/yifive/ycr1c"]
-	path = verilog/rtl/yifive/ycr1c
-	url = https://github.com/dineshannayya/ycr1c.git
-	branch = master
diff --git a/caravel b/caravel
deleted file mode 160000
index ff960da..0000000
--- a/caravel
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ff960da6e06dd9097e7e1152e90f5998235a7882
diff --git a/verilog/rtl/qspim b/verilog/rtl/qspim
deleted file mode 160000
index 644fc5e..0000000
--- a/verilog/rtl/qspim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 644fc5e86bf08279ed257519456199e85d9584f9
diff --git a/verilog/rtl/yifive/ycr1c b/verilog/rtl/yifive/ycr1c
deleted file mode 160000
index 5e8e2de..0000000
--- a/verilog/rtl/yifive/ycr1c
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5e8e2deff463f744aeb7aea776eb81765312fc70