diff --git a/build/valgrind/cross-architecture.sup b/build/valgrind/cross-architecture.sup
index a3efcd9a4a28..a88247d49d89 100644
--- a/build/valgrind/cross-architecture.sup
+++ b/build/valgrind/cross-architecture.sup
@@ -167,16 +167,6 @@
    fun:_ZN11nsPK11Token12InitPasswordEPKt
    ...
 }
-{
-   Bug 794364
-   Memcheck:Leak
-   fun:malloc
-   fun:_ZN9PICLinker4initEP9JSContext
-   fun:_ZN2js4mjit2ic12GetElementIC13attachGetPropERNS_7VMFrameEN2JS6HandleIP8JSObjectEENS6_INS5_5ValueEEENS6_IPNS_12PropertyNameEEENS5_13MutableHandleISA_EE
-   fun:_ZN2js4mjit2ic12GetElementIC6updateERNS_7VMFrameEN2JS6HandleIP8JSObjectEENS6_INS5_5ValueEEENS6_IlEENS5_13MutableHandleISA_EE
-   fun:_ZN2js4mjit2ic10GetElementERNS_7VMFrameEPNS1_12GetElementICE
-   ...
-}
 {
    Bug 794369
    Memcheck:Leak