diff --git a/pkgs/desktops/deepin/library/dtkcore/default.nix b/pkgs/desktops/deepin/library/dtkcore/default.nix
index e3b4d1166c91..f13715535e09 100644
--- a/pkgs/desktops/deepin/library/dtkcore/default.nix
+++ b/pkgs/desktops/deepin/library/dtkcore/default.nix
@@ -32,11 +32,6 @@ stdenv.mkDerivation rec {
     ./fix-pri-path.patch
   ];
 
-  postPatch = ''
-    substituteInPlace src/dsysinfo.cpp \
-      --replace "/usr/share/deepin/distribution.info" "/etc/distribution.info" \
-  '';
-
   nativeBuildInputs = [
     cmake
     pkg-config