diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 68b803f6e3cc..c40b096e2088 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -476,8 +476,6 @@ rec {
         cp ${layer}/* temp/
         chmod ug+w temp/*
 
-        echo "$(dirname ${storeDir})" >> layerFiles
-        echo '${storeDir}' >> layerFiles
         for dep in $(cat $layerClosure); do
           find $dep >> layerFiles
         done