--- a/build/valgrind/cross-architecture.sup
+++ b/build/valgrind/cross-architecture.sup
@@ -83,65 +83,16 @@
    Memcheck:Leak
    fun:malloc
    fun:moz_xmalloc
    fun:NS_Alloc_P
    fun:_Z12ToNewCStringRK19nsACString_internal
    fun:_ZN13CrashReporter14SetupExtraDataEP7nsIFileRK19nsACString_internal
    ...
 }
-# Suppressing the suppression(s) to get Valgrind stacks with line numbers
-#{
-#   Bug 793601
-#   Memcheck:Leak
-#   fun:malloc
-#   fun:_ZN2js15ArgumentsObject6createEP9JSContextPNS_10StackFrameE
-#   ...
-#}
-#{
-#   Bug 793602
-#   Memcheck:Leak
-#   fun:malloc
-#   fun:moz_xmalloc
-#   fun:_Z22NS_NewComputedDOMStylePN7mozilla3dom7ElementERK18nsAString_internalP12nsIPresShell
-#   fun:_ZN14nsGlobalWindow16GetComputedStyleEP13nsIDOMElementRK18nsAString_internalPP25nsIDOMCSSStyleDeclaration
-#   ...
-#}
-#{
-#   Bug 793603
-#   Memcheck:Leak
-#   fun:malloc
-#   fun:moz_xmalloc
-#   fun:_ZN18nsDeflateConverter15OnDataAvailableEP10nsIRequestP11nsISupportsP14nsIInputStreammj
-#   ...
-#}
-#{
-#   Bug 793605
-#   Memcheck:Leak
-#   fun:malloc
-#   fun:moz_xmalloc
-#   fun:_Z30nsStringInputStreamConstructorP11nsISupportsRK4nsIDPPv
-#   ...
-#}
-#{
-#   Bug 793606
-#   Memcheck:Leak
-#   fun:malloc
-#   fun:moz_xmalloc
-#   fun:_ZL27nsXMLHttpRequestConstructorP11nsISupportsRK4nsIDPPv
-#   ...
-#}
-#{
-#   Bug 793607
-#   Memcheck:Leak
-#   fun:malloc
-#   fun:moz_xmalloc
-#   fun:_ZN11nsZipWriter14AddEntryStreamERK19nsACString_internalliP14nsIInputStreambj
-#   ...
-#}
 {
    Bug 793608
    Memcheck:Leak
    ...
    fun:gaih_inet
    fun:getaddrinfo
    fun:PR_GetAddrInfoByName
    fun:_ZN14nsHostResolver10ThreadFuncEPv