diff --git a/firmware/common/sprintf.c b/firmware/common/sprintf.c
index 95bf55ebea..80bdda6336 100644
--- a/firmware/common/sprintf.c
+++ b/firmware/common/sprintf.c
@@ -92,10 +92,6 @@ int vsnprintf (char *buf, int size, const char *fmt, va_list ap)
 		    while (val > 0);
 		    break;
 
-		case '%':
-                    *--str = '%';
-                    break;
-
 		default:
 		    *--str = ch;
 		    break;