diff --git a/pkgs/development/compilers/hare/hare/setup-hook.sh b/pkgs/development/compilers/hare/hare/setup-hook.sh
index 999b91df122f..d2d2c34354d6 100644
--- a/pkgs/development/compilers/hare/hare/setup-hook.sh
+++ b/pkgs/development/compilers/hare/hare/setup-hook.sh
@@ -1,5 +1,3 @@
-export HARECACHE="$NIX_BUILD_TOP/.harecache"
-
 addHarepath () {
     for haredir in third-party stdlib; do
         if [[ -d "$1/src/hare/$haredir" ]]; then