diff --git a/.gitmodules b/.gitmodules
index c49c5ae..8f0c23e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "esp-idf"]
-	path = esp-idf
-	url = https://github.com/espressif/esp-idf.git
 [submodule "components/bus-i2c"]
 	path = components/bus-i2c
 	url = https://github.com/Nicolai-Electronics/esp32-component-bus-i2c.git
diff --git a/Makefile b/Makefile
index 99ea022..466851b 100644
--- a/Makefile
+++ b/Makefile
@@ -6,15 +6,20 @@ SHELL := /usr/bin/env bash
 
 .PHONY: prepare clean build flash monitor menuconfig
 
-all: prepare build install
+all: build install
 
 prepare:
 	git submodule update --init --recursive
-	cd esp-idf; bash install.sh
+	rm -rf "$(IDF_PATH)"
+	git clone --recursive --branch v4.4.4 https://github.com/espressif/esp-idf.git
+	cd "$(IDF_PATH)"; bash install.sh
 
 clean:
 	rm -rf "$(BUILDDIR)"
 
+fullclean:
+	source "$(IDF_PATH)/export.sh" && idf.py fullclean
+
 build:
 	source "$(IDF_PATH)/export.sh" && idf.py build
 
diff --git a/esp-idf b/esp-idf
deleted file mode 160000
index 1329b19..0000000
--- a/esp-idf
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1329b19fe494500aeb79d19b27cfd99b40c37aec