diff --git a/mozilla/extensions/wallet/Makefile.in b/mozilla/extensions/wallet/Makefile.in
index 61d0a6b2acc..359be253f5d 100644
--- a/mozilla/extensions/wallet/Makefile.in
+++ b/mozilla/extensions/wallet/Makefile.in
@@ -21,7 +21,7 @@ srcdir		= @srcdir@
 VPATH		= @srcdir@
 
 
-DIRS=public src editor signonviewer cookieviewer walletpreview build
+DIRS=public src editor signonviewer cookieviewer walletpreview
 
 include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/config.mk