diff --git a/pkgs/development/libraries/qt-5/5.15/default.nix b/pkgs/development/libraries/qt-5/5.15/default.nix
index f4d364c5ee4..2712b45bdd2 100644
--- a/pkgs/development/libraries/qt-5/5.15/default.nix
+++ b/pkgs/development/libraries/qt-5/5.15/default.nix
@@ -83,16 +83,7 @@ let
     qtdeclarative = [ ./qtdeclarative.patch ];
     qtscript = [ ./qtscript.patch ];
     qtserialport = [ ./qtserialport.patch ];
-    qtwebengine = [
-      # Fix build with bison-3.7: https://code.qt.io/cgit/qt/qtwebengine-chromium.git/commit/?id=1a53f599
-      (fetchpatch {
-        name = "qtwebengine-bison-3.7-build.patch";
-        url = "https://code.qt.io/cgit/qt/qtwebengine-chromium.git/patch/?id=1a53f599";
-        sha256 = "1nqpyn5fq37q7i9nasag6i14lnz0d7sld5ikqhlm8qwq9d7gbmjy";
-        stripLen = 1;
-        extraPrefix = "src/3rdparty/";
-      })
-    ]
+    qtwebengine = [ ]
       ++ optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
     qtwebkit = [
       (fetchpatch {