diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index 5f0739b1d9c2..11667ea39506 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -62,8 +62,6 @@ mkDerivation rec {
 
   dontUseQmakeConfigure = true;
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ pkg-config qmake removeReferencesTo ];
 
   buildInputs = [