diff --git a/bstrlib.c b/bstrlib.c
index 82fbc05..7e7e3ab 100644
--- a/bstrlib.c
+++ b/bstrlib.c
@@ -2913,12 +2913,6 @@ struct genBstrList g;
 #define START_VSNBUFF (256)
 #else
 
-#if defined(__GNUC__) && !defined(__APPLE__)
-/* Something is making gcc complain about this prototype not being here, so
-   I've just gone ahead and put it in. */
-extern int vsnprintf (char *buf, size_t count, const char *format, va_list arg);
-#endif
-
 #define exvsnprintf(r,b,n,f,a) {r = vsnprintf (b,n,f,a);}
 #endif
 #endif