diff --git a/extra/rust/build b/extra/rust/build
index 063aee5f..804e8876 100755
--- a/extra/rust/build
+++ b/extra/rust/build
@@ -65,8 +65,6 @@ llvm-config = "/usr/bin/llvm-config"
 crt-static  = false
 EOF
 
-export DESTDIR="$1"
-
 python3 ./x.py build -j "$(nproc)"
 python3 ./x.py install