diff --git a/lib/libthr/arch/i386/include/pthread_md.h b/lib/libthr/arch/i386/include/pthread_md.h
index 95edfa6cc916..2a17cccd68f4 100644
--- a/lib/libthr/arch/i386/include/pthread_md.h
+++ b/lib/libthr/arch/i386/include/pthread_md.h
@@ -39,8 +39,6 @@
 
 #define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
-extern int _thr_using_setbase;
-
 /*
  * Variant II tcb, first two members are required by rtld,
  * %gs points to the structure.