diff --git a/toolkit/mozapps/plugins/tests/Makefile.in b/toolkit/mozapps/plugins/tests/Makefile.in
index 9c333f24869..9a7151169df 100644
--- a/toolkit/mozapps/plugins/tests/Makefile.in
+++ b/toolkit/mozapps/plugins/tests/Makefile.in
@@ -49,7 +49,7 @@ USE_STATIC_LIBS = 1
 
 ifneq (mobile,$(MOZ_BUILD_APP))
 _BROWSER_FILES = \
-  browser_bug435788.js \
+  $(warning browser_bug435788.js has been disabled due to leaks - see bug 751100) \
   pfs_bug435788_1.rdf \
   pfs_bug435788_2.rdf \
   GoodExtension.xpi \