diff --git a/tests/test_sprintf.c b/tests/test_sprintf.c
index d8c4b49..60ef40b 100644
--- a/tests/test_sprintf.c
+++ b/tests/test_sprintf.c
@@ -3,8 +3,6 @@
 
 #if USE_STB
 # include "stb_sprintf.h"
-//# define STB_SPRINTF_IMPLEMENTATION
-# include "stb_sprintf.h"
 # define SPRINTF stbsp_sprintf
 # define SNPRINTF stbsp_snprintf
 #else