diff --git a/.pre-commit-entry.sh b/.pre-commit-entry.sh
index 1c26928..5c6c943 100755
--- a/.pre-commit-entry.sh
+++ b/.pre-commit-entry.sh
@@ -7,14 +7,6 @@ if ! command -v nix-build; then
   exit 1
 fi
 
-if ! command -v nix-instantiate; then
-  echo 'ERROR: this pre-commit hook requires "nix-instantiate" to be installed first'
-  exit 1
-fi
-
-echo INFO: computing current system
-system="$(nix-instantiate --eval --expr builtins.currentSystem)"
-
 echo INFO: building Alejandra
 
 nix-build \