1 files changed, 3 insertions, 2 deletions
diff --git a/libraries/SD/utility/SdFatUtil.h b/libraries/SD/utility/SdFatUtil.h
index c626bfe..283fcb2 100644
--- a/libraries/SD/utility/SdFatUtil.h
+++ b/libraries/SD/utility/SdFatUtil.h
@@ -30,10 +30,11 @@
 /** Store and print a string in flash memory followed by a CR/LF.*/
 #define PgmPrintln(x) SerialPrintln_P(PSTR(x))
 /** Defined so doxygen works for function definitions. */
-#define NOINLINE __attribute__((noinline))
+#define NOINLINE __attribute__((noinline,unused))
+#define UNUSEDOK __attribute__((unused))
 //------------------------------------------------------------------------------
 /** Return the number of bytes currently free in RAM. */
-static int FreeRam(void) {
+static UNUSEDOK int FreeRam(void) {
   extern int  __bss_end;
   extern int* __brkval;
   int free_memory;