diff --git a/pkgs/by-name/cp/cp2k/package.nix b/pkgs/by-name/cp/cp2k/package.nix
index dec5d5510ff1..69c6777c9fc6 100644
--- a/pkgs/by-name/cp/cp2k/package.nix
+++ b/pkgs/by-name/cp/cp2k/package.nix
@@ -70,7 +70,7 @@ let
   grimmeCmake = lib.makeScope newScope (self: {
     mctc-lib = mctc-lib.override {
       buildType = "cmake";
-      inherit (self) jonquil toml-f;
+      inherit (self) jonquil;
     };
 
     toml-f = toml-f.override {
diff --git a/pkgs/by-name/mc/mctc-lib/package.nix b/pkgs/by-name/mc/mctc-lib/package.nix
index 96e2f68dadb5..41a09bf7261e 100644
--- a/pkgs/by-name/mc/mctc-lib/package.nix
+++ b/pkgs/by-name/mc/mctc-lib/package.nix
@@ -9,7 +9,6 @@
   cmake,
   pkg-config,
   python3,
-  toml-f,
   jonquil,
 }: