diff --git a/src/sbbs3/sbbs.h b/src/sbbs3/sbbs.h
index bf13e4ccf80688eac4598551268b3744c0eddad5..3b652092ad86455e11fa66e85c19018c0d63abbc 100644
--- a/src/sbbs3/sbbs.h
+++ b/src/sbbs3/sbbs.h
@@ -95,7 +95,6 @@
 	#else
 		#define XP_PC
 	#endif
-	#define JS_THREADSAFE	/* required for multi-thread support */
 	#include <jsapi.h>
 	#include <jsprf.h>		/* JS-safe sprintf functions */