--- a/browser/config/mozconfigs/linux64/valgrind
+++ b/browser/config/mozconfigs/linux64/valgrind
@@ -1,15 +1,10 @@
 . $topsrcdir/browser/config/mozconfigs/linux64/nightly
 
 ac_add_options --enable-valgrind
 ac_add_options --disable-jemalloc
 ac_add_options --disable-install-strip
 ac_add_options --disable-gtest-in-build
 
-# Rust code gives false positives that we have not entirely suppressed yet.
-# Bug 1365915 tracks fixing these.
-ac_add_options --disable-stylo
-unset LLVM_CONFIG
-
 # Include the override mozconfig again (even though the above includes it)
 # since it's supposed to override everything.
 . "$topsrcdir/build/mozconfig.common.override"