diff --git a/extensions/cookie/Makefile.in b/extensions/cookie/Makefile.in
index c90847f1aeca..d73436a014e3 100644
--- a/extensions/cookie/Makefile.in
+++ b/extensions/cookie/Makefile.in
@@ -46,10 +46,6 @@ REQUIRES	= xpcom \
 		  appshell \
 		  $(NULL)
 
-ifdef ENABLE_TESTS
-DIRS		= tests
-endif
-
 CPPSRCS		= \
 		nsModuleFactory.cpp \
 		nsPermission.cpp \