diff --git a/stack.yaml b/stack.yaml
index a76f00375..25b6fc909 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -3,7 +3,6 @@
 resolver: lts-10.3
 
 nix:
-  enable: false
   pure: false
   packages: [perl gmp ncurses zlib]