diff --git a/firmware/basic/config.c b/firmware/basic/config.c
index 0e3b35f..396e500 100644
--- a/firmware/basic/config.c
+++ b/firmware/basic/config.c
@@ -1,6 +1,7 @@
 #include <sysinit.h>
 #include "basic/basic.h"
 
+#include "lcd/display.h"
 #include "lcd/print.h"
 #include "filesystem/ff.h"
 #include "basic/random.h"
@@ -32,7 +33,7 @@ char nickfont[FILENAMELEN];
 void applyConfig(){
     if(GLOBAL(lcdcontrast)>0)
         lcdSetContrast(GLOBAL(lcdcontrast));
-	return 0;
+	return;
 };
 
 int saveConfig(void){
diff --git a/firmware/basic/night.c b/firmware/basic/night.c
index 9423ffd..5efe7c4 100644
--- a/firmware/basic/night.c
+++ b/firmware/basic/night.c
@@ -14,8 +14,6 @@ void LightCheck(void){
     int iocon;
     char iodir;
 
-    int value;
-
     iocon=IOCON_PIO1_11;
 //    iodir=gpioGetDir(RB_LED3);
     iodir= (GPIO_GPIO1DIR & (1 << (RB_LED3) ))?1:0;
@@ -28,10 +26,6 @@ void LightCheck(void){
     gpioSetDir(RB_LED3, iodir);
     IOCON_PIO1_11=iocon;
 
-    if(threshold==0){ // uninitialized?
-        threshold=320;
-    };
-
     if(_isnight && light/SAMPCT>(threshold+RANGE))
         _isnight=0;
 
diff --git a/firmware/basic/random.c b/firmware/basic/random.c
index 06500ca..08b5a05 100644
--- a/firmware/basic/random.c
+++ b/firmware/basic/random.c
@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include "random.h"
 #include "xxtea.h"
+#include "core/adc/adc.h"
 
 #define STATE_SIZE  8
 uint32_t state[STATE_SIZE];
diff --git a/firmware/funk/filetransfer.c b/firmware/funk/filetransfer.c
index ffa4b94..375d4cd 100644
--- a/firmware/funk/filetransfer.c
+++ b/firmware/funk/filetransfer.c
@@ -108,7 +108,7 @@ int filetransfer_receive(uint8_t *mac, uint32_t const k[4])
     }
     lcdRefresh();
     if( fres < 0 )
-        return;
+        return 1;
     //nrf_set_rx_mac(0, 32, 5, macbuf);
 
     xxtea_decode_words((uint32_t *)buf, wordcount, k);
diff --git a/firmware/funk/rftransfer.c b/firmware/funk/rftransfer.c
index b392152..cda2e50 100644
--- a/firmware/funk/rftransfer.c
+++ b/firmware/funk/rftransfer.c
@@ -1,6 +1,7 @@
 #include "rftransfer.h"
 #include "nrf24l01p.h"
 #include <basic/basic.h>
+#include <basic/random.h>
 #include <core/systick/systick.h>
 #include <lcd/print.h>
 
diff --git a/firmware/main.c b/firmware/main.c
index bcef02d..e24f7db 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -5,6 +5,7 @@
 
 #include "basic/basic.h"
 #include "lcd/render.h"
+#include "filesystem/ff.h"
 
 /**************************************************************************/