diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index d7198461eeab..d642a81d2f75 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -58,8 +58,6 @@ stdenv.mkDerivation rec {
   prePatch = ''
     sed -i "s@\[tool.sip.project\]@[tool.sip.project]\nsip-include-dirs = [\"${python3Packages.pyqt6}/${python3Packages.python.sitePackages}/PyQt6/bindings\"]@g" \
       setup/build.py
-    sed -i "s/\[tool.sip.bindings.pictureflow\]/[tool.sip.bindings.pictureflow]\ntags = [\"${python3Packages.sip.platform_tag}\"]/g" \
-      setup/build.py
 
     # Remove unneeded files and libs
     rm -rf src/odf resources/calibre-portable.*