diff --git a/settings/konqhtml/CMakeLists.txt b/settings/konqhtml/CMakeLists.txt
--- a/settings/konqhtml/CMakeLists.txt
+++ b/settings/konqhtml/CMakeLists.txt
@@ -32,10 +32,6 @@
 
 add_library(kcm_konqhtml MODULE ${kcm_konqhtml_PART_SRCS})
 
-# For khtmldefaults.h. We don't need to link to khtml, just to include that header...
-get_target_property(khtml_include_dir KF5::KHtml INTERFACE_INCLUDE_DIRECTORIES)
-target_include_directories(kcm_konqhtml PRIVATE "${khtml_include_dir}")
-
 target_link_libraries(kcm_konqhtml
    KF5::Parts
    KF5::KDELibs4Support
diff --git a/settings/konqhtml/appearance.cpp b/settings/konqhtml/appearance.cpp
--- a/settings/konqhtml/appearance.cpp
+++ b/settings/konqhtml/appearance.cpp
@@ -1,4 +1,5 @@
 #include "appearance.h"
+#include "../../src/htmldefaults.h"
 
 #include "kcmcss.h"
 
@@ -12,7 +13,6 @@
 #include <kdebug.h>
 #include <kdialog.h>
 #include <kglobal.h>
-#include <khtmldefaults.h>
 #include <KLocalizedString>
 #include <knuminput.h>
 #include <KPluginFactory>
diff --git a/src/htmldefaults.h b/src/htmldefaults.h
new file mode 100644
--- /dev/null
+++ b/src/htmldefaults.h
@@ -0,0 +1,33 @@
+/* This file is part of the KDE project
+   Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
+   Copyright (C) 1999 David Faure <faure@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+// browser window color defaults -- Bernd
+#define HTML_DEFAULT_LNK_COLOR Qt::blue
+#define HTML_DEFAULT_TXT_COLOR Qt::black
+#define HTML_DEFAULT_VLNK_COLOR Qt::magenta
+#define HTML_DEFAULT_BASE_COLOR Qt::white
+
+#define HTML_DEFAULT_VIEW_FONT "Sans Serif"
+#define HTML_DEFAULT_VIEW_FIXED_FONT "Monospace"
+#define HTML_DEFAULT_VIEW_SERIF_FONT "Serif"
+#define HTML_DEFAULT_VIEW_SANSSERIF_FONT "Sans Serif"
+#define HTML_DEFAULT_VIEW_CURSIVE_FONT "Cursive"
+#define HTML_DEFAULT_VIEW_FANTASY_FONT "Fantasy"
+#define HTML_DEFAULT_MIN_FONT_SIZE 7 // everything smaller is usually unreadable.
diff --git a/webenginepart/src/settings/webenginesettings.cpp b/webenginepart/src/settings/webenginesettings.cpp
--- a/webenginepart/src/settings/webenginesettings.cpp
+++ b/webenginepart/src/settings/webenginesettings.cpp
@@ -21,6 +21,7 @@
 
 #include "webengine_filter.h"
 #include <webenginepart_debug.h>
+#include "../../src/htmldefaults.h"
 
 #include <KConfig>
 #include <KSharedConfig>
@@ -34,20 +35,6 @@
 #include <QFontDatabase>
 #include <QFileInfo>
 
-// browser window color defaults -- Bernd
-#define HTML_DEFAULT_LNK_COLOR Qt::blue
-#define HTML_DEFAULT_TXT_COLOR Qt::black
-#define HTML_DEFAULT_VLNK_COLOR Qt::magenta
-#define HTML_DEFAULT_BASE_COLOR Qt::white
-
-#define HTML_DEFAULT_VIEW_FONT "Sans Serif"
-#define HTML_DEFAULT_VIEW_FIXED_FONT "Monospace"
-#define HTML_DEFAULT_VIEW_SERIF_FONT "Serif"
-#define HTML_DEFAULT_VIEW_SANSSERIF_FONT "Sans Serif"
-#define HTML_DEFAULT_VIEW_CURSIVE_FONT "Sans Serif"
-#define HTML_DEFAULT_VIEW_FANTASY_FONT "Sans Serif"
-#define HTML_DEFAULT_MIN_FONT_SIZE 7 // everything smaller is usually unreadable.
-
 /**
  * @internal
  * Contains all settings which are both available globally and per-domain