diff --git a/.gitmodules b/.gitmodules
index fbb878a7ac..78d334ffd1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -22,9 +22,3 @@
 [submodule "modules/ChibiOS"]
 	path = modules/ChibiOS
 	url = git://github.com/ArduPilot/ChibiOS.git
-[submodule "libraries/AP_HAL_F4Light/support/minimosd-extra"]
-	path = libraries/AP_HAL_F4Light/support/minimosd-extra
-	url = git://github.com/night-ghost/minimosd-extra
-[submodule "libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries"]
-	path = libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries
-	url = git://github.com/night-ghost/SPL
diff --git a/libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries b/libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries
deleted file mode 160000
index a4cac64af5..0000000000
--- a/libraries/AP_HAL_F4Light/hardware/STM32F4xx_DSP_StdPeriph_Lib_V1.1.0/Libraries
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a4cac64af5db8d61798dcc6fe103fa628897e640
diff --git a/libraries/AP_HAL_F4Light/support/minimosd-extra b/libraries/AP_HAL_F4Light/support/minimosd-extra
deleted file mode 160000
index 134fcc1a54..0000000000
--- a/libraries/AP_HAL_F4Light/support/minimosd-extra
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 134fcc1a549b5ed639af6017a0d726c6961367d3