diff --git a/.gitmodules b/.gitmodules
index e0eb5fb35..469192026 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,16 +1,9 @@
 [submodule "tools/uf2"]
 	path = tools/uf2
 	url = https://github.com/microsoft/uf2.git
-[submodule "hw/mcu/ti"]
-	path = hw/mcu/ti
-	url = https://github.com/hathach/ti_driver.git
 [submodule "lib/lwip"]
 	path = lib/lwip
 	url = https://github.com/lwip-tcpip/lwip.git
 [submodule "lib/FreeRTOS-Kernel"]
 	path = lib/FreeRTOS-Kernel
 	url = https://github.com/FreeRTOS/FreeRTOS-Kernel.git
-[submodule "hw/mcu/broadcom"]
-	path = hw/mcu/broadcom
-	url = https://github.com/adafruit/broadcom-peripherals.git
-	branch = main-build
diff --git a/hw/mcu/broadcom b/hw/mcu/broadcom
deleted file mode 160000
index 083700860..000000000
--- a/hw/mcu/broadcom
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 08370086080759ed54ac1136d62d2ad24c6fa267
diff --git a/hw/mcu/ti b/hw/mcu/ti
deleted file mode 160000
index 143ed6cc2..000000000
--- a/hw/mcu/ti
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 143ed6cc20a7615d042b03b21e070197d473e6e5