diff --git a/avr/usbload/shared_memory.c b/avr/usbload/shared_memory.c
index 84c4868..7fd3d49 100644
--- a/avr/usbload/shared_memory.c
+++ b/avr/usbload/shared_memory.c
@@ -298,7 +298,7 @@ void shared_memory_yield()
 
 int shared_memory_read(uint8_t *cmd, uint8_t *len,uint8_t *buffer)
 {
-    uint8_t state;
+    //uint8_t state;
 #if DO_SHM
 #if DO_SHM_SCRATCHPAD    
     if (scratchpad_locked_rx){ 
diff --git a/avr/usbload/shell.c b/avr/usbload/shell.c
index 37fd3ca..076ca00 100644
--- a/avr/usbload/shell.c
+++ b/avr/usbload/shell.c
@@ -119,6 +119,7 @@ uint8_t get_hex_arg3(uint32_t *hexval1, uint32_t *hexval2, uint32_t *hexval3)
  	return get_hex(hexval1) && get_hex(hexval2) && get_hex(hexval3);
 }
 
+#if 0
 static uint8_t get_int32(uint32_t *val)
  {
  	if (!get_hex(val)){
@@ -140,7 +141,7 @@ static uint8_t get_int32(uint32_t *val)
         return 1;
     }
  }
-
+#endif
  static int get_bool(void)
  {
  	const uint8_t *t;
@@ -255,10 +256,8 @@ void shell_run(void)
 	uint8_t *t;
     uint32_t arg1;
     uint32_t arg2;
-    uint32_t arg3;
 	uint16_t crc;
     uint16_t offset;
-    uint16_t i;
     uint8_t c;
     
 	if (!cr)
diff --git a/avr/usbload/sram.c b/avr/usbload/sram.c
index de514db..d898f31 100644
--- a/avr/usbload/sram.c
+++ b/avr/usbload/sram.c
@@ -311,7 +311,7 @@ void sram_bulk_copy_into_buffer(uint32_t addr, uint8_t * dst, uint32_t len)
 {
 
     uint32_t i;
-    uint8_t *ptr = dst;
+    //uint8_t *ptr = dst;
     debug_P(DEBUG_SRAM, PSTR("sram_bulk_copy_into_buffer: addr=0x%08lx dst=0x%p len=%li\n\r"), 
         addr, dst, len);
     sram_bulk_read_start(addr);