diff --git a/src/platform/kevin/default.nix b/src/platform/kevin/default.nix
index 7a56204..35e4962 100644
--- a/src/platform/kevin/default.nix
+++ b/src/platform/kevin/default.nix
@@ -143,11 +143,9 @@ in {
 
     ecfw-scripts = final.nixpkgsOnBuildForHost.callPackage (import ./ecfw/scripts.nix) {
       inherit (final) ectool ecfw;
-      flashrom-chromebook = final.flashrom;
+      flashrom-chromebook = prev.flashrom.override { forChromebook = true; };
     };
 
-    flashrom = prev.flashrom.override { forChromebook = true; };
-
     ectool = final.nixpkgsOnBuildForHost.callPackage (import ../../util/ectool { boardName = "kevin"; }) { };
 
     scripts = let