diff --git a/overlay.nix b/overlay.nix
index 891e9a0..51e00f1 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -68,8 +68,6 @@ extraPkgs // {
     in chrony'.override {
       gnutls = null;
       nss = null;
-      nspr = null;
-      readline = null;
       libedit = null;
       libseccomp = null;
       # should texinfo be in nativeBuildInputs instead of