diff --git a/env/no-lto b/env/no-lto
index 97c2d0d..741aa8d 100644
--- a/env/no-lto
+++ b/env/no-lto
@@ -5,3 +5,5 @@ FCFLAGS="${FCFLAGS} -fno-lto"
 FFLAGS="${FFLAGS} -fno-lto"
 
 LDFLAGS="${LDFLAGS} -fno-lto"
+
+RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang -C link-arg=-fuse-ld=mold"
diff --git a/package.env/00compiler b/package.env/00compiler
index b51e8d1..15047a8 100644
--- a/package.env/00compiler
+++ b/package.env/00compiler
@@ -26,7 +26,7 @@ media-gfx/sam2p gcc mold
 
 dev-lang/ghc gcc mold no-lto
 app-admin/haskell-updater gcc
-dev-haskell/* gcc mold
+dev-haskell/* clang mold
 
 dev-lang/perl gcc mold
 dev-perl/* gcc mold
@@ -48,6 +48,3 @@ net-libs/nodejs clang lld
 dev-lang/nim clang mold no-lto
 
 app-crypt/seahorse gcc mold
-
-dev-scheme/racket gcc
-
diff --git a/package.use/chromium b/package.use/chromium
index c24cd1d..4891a30 100644
--- a/package.use/chromium
+++ b/package.use/chromium
@@ -3,4 +3,4 @@ sys-libs/zlib minizip
 net-libs/nodejs inspector
 
 # 
-www-client/chromium custom-cflags lto official qt5 qt6 -screencast
+www-client/chromium custom-cflags lto official qt6 -screencast