diff --git a/source/shell/flash.c b/source/shell/flash.c
index 050adcd..680459a 100644
--- a/source/shell/flash.c
+++ b/source/shell/flash.c
@@ -78,25 +78,6 @@ static void print_hex_ascii(const char *buf, size_t len)
 	}
 }
 
-static void print_size(size_t size)
-{
-	if (size == 0) {
-		printf("0");
-#if defined(TIB)
-	} else if (size % TIB == 0) {
-		printf("%" PRSZu " TiB", size / TIB);
-#endif
-	} else if (size % GIB == 0) {
-		printf("%" PRSZu " GiB", size / GIB);
-	} else if (size % MIB == 0) {
-		printf("%" PRSZu " MiB", size / MIB);
-	} else if (size % KIB == 0) {
-		printf("%" PRSZu " KiB", size / KIB);
-	} else {
-		printf("%" PRSZu " B", size);
-	}
-}
-
 static void do_flash_probe(const char *s)
 {
 	(void)s;