diff --git a/flake.nix b/flake.nix
index f282324..107ff5a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,6 @@
         srcs = [geoip2-asn geoip2-city geoip2-country];
         dontUnpack = true;
         installPhase = ''
-          runHook preInstall
           mkdir -p $out
           cp ${geoip2-asn} $out/GeoLite2-ASN.mmdb
           cp ${geoip2-city} $out/GeoLite2-City.mmdb