diff --git a/README.md b/README.md
index 6f4beb0..9db36bc 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Modules included in this package
 
 ## Dependencies:
 - make
-- gcc
+- gcc or clang
 - linux-headers
 - dkms (Only when using this module with DKMS functionality)
 
diff --git a/src/clevo_leds.h b/src/clevo_leds.h
index ebd29af..5714756 100644
--- a/src/clevo_leds.h
+++ b/src/clevo_leds.h
@@ -376,7 +376,7 @@ int clevo_leds_remove(struct platform_device *dev) {
 }
 EXPORT_SYMBOL(clevo_leds_remove);
 
-enum clevo_kb_backlight_types clevo_leds_get_backlight_type() {
+enum clevo_kb_backlight_types clevo_leds_get_backlight_type(void) {
 	return clevo_kb_backlight_type;
 }
 EXPORT_SYMBOL(clevo_leds_get_backlight_type);
diff --git a/src/uniwill_leds.h b/src/uniwill_leds.h
index 63639fa..af72863 100644
--- a/src/uniwill_leds.h
+++ b/src/uniwill_leds.h
@@ -252,7 +252,7 @@ EXPORT_SYMBOL(uniwill_leds_init_late);
 int uniwill_leds_remove(struct platform_device *dev)
 {
 	// FIXME Use mutexes
-	int ret;
+	int ret = 0;
 
 	if (uw_leds_initialized) {
 		uw_leds_initialized = false;
@@ -275,7 +275,7 @@ int uniwill_leds_remove(struct platform_device *dev)
 }
 EXPORT_SYMBOL(uniwill_leds_remove);
 
-enum uniwill_kb_backlight_types uniwill_leds_get_backlight_type() {
+enum uniwill_kb_backlight_types uniwill_leds_get_backlight_type(void) {
 	return uniwill_kb_backlight_type;
 }
 EXPORT_SYMBOL(uniwill_leds_get_backlight_type);