Revert "JBR-6372: implement detecting of OS theme on linux"

This reverts commit 7803214b5c5a0b8b02a18263bd52139d9d3b8249.
diff --git a/src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java b/src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java
index 89b76f8..d785823 100644
--- a/src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java
+++ b/src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java
@@ -35,12 +35,10 @@
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 
-import jdk.internal.misc.InnocuousThread;
 import sun.security.action.GetIntegerAction;
 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;
 import sun.java2d.opengl.OGLRenderQueue;
 import sun.security.action.GetPropertyAction;
-import sun.util.logging.PlatformLogger;
 
 public abstract class UNIXToolkit extends SunToolkit
 {
@@ -88,18 +86,6 @@
     private Boolean nativeGTKAvailable;
     private Boolean nativeGTKLoaded;
     private BufferedImage tmpImage = null;
-    private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.UNIXToolkit");
-
-    private static void printError(String str) {
-        log.fine(str);
-    }
-
-    private static native void toolkitInit();
-
-    protected UNIXToolkit() {
-        toolkitInit();
-        initSystemPropertyWatcher();
-    }
 
     public static int getDatatransferTimeout() {
         @SuppressWarnings("removal")
@@ -505,35 +491,4 @@
         return AccessController.doPrivileged((PrivilegedAction<Boolean>)()
                 -> Boolean.getBoolean("jdk.gtk.verbose"));
     }
-
-    private static final String OS_THEME_IS_DARK = "awt.os.theme.isDark";
-
-    private static Thread systemPropertyWatcher = null;
-
-    private static native int isSystemDarkColorScheme();
-
-    private void initSystemPropertyWatcher() {
-        int initialSystemDarkColorScheme = isSystemDarkColorScheme();
-
-        if (initialSystemDarkColorScheme >= 0) {
-            setDesktopProperty(OS_THEME_IS_DARK, initialSystemDarkColorScheme != 0);
-
-            systemPropertyWatcher = InnocuousThread.newThread("SystemPropertyWatcher",
-                    () -> {
-                        while (true) {
-                            try {
-                                int isSystemDarkColorScheme = isSystemDarkColorScheme();
-                                if (isSystemDarkColorScheme >= 0) {
-                                    setDesktopProperty(OS_THEME_IS_DARK, isSystemDarkColorScheme != 0);
-                                }
-
-                                Thread.sleep(1000);
-                            } catch (Exception ignored) {
-                            }
-                        }
-                    });
-            systemPropertyWatcher.setDaemon(true);
-            systemPropertyWatcher.start();
-        }
-    }
 }
diff --git a/src/java.desktop/unix/native/common/awt/dbus_interface.c b/src/java.desktop/unix/native/common/awt/dbus_interface.c
deleted file mode 100644
index 7cdff06..0000000
--- a/src/java.desktop/unix/native/common/awt/dbus_interface.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2023, JetBrains s.r.o.. All rights reserved.
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "dbus_interface.h"
-
-#include <dlfcn.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <stdbool.h>
-
-#include "jvm_md.h"
-
-#define DBUS_LIB JNI_LIB_NAME("dbus-1")
-#define DBUS_LIB_VERSIONED VERSIONED_JNI_LIB_NAME("dbus-1", "3")
-
-static bool isCurrentVersionSupported(DBusApi* dBusApi) {
-    int major = 0, minor = 0, micro = 0;
-    dBusApi->dbus_get_version(&major, &minor, &micro);
-    return major == 1;
-}
-
-static bool DBusApi_init(DBusApi* dBusApi, void *libhandle) {
-    dBusApi->dbus_get_version = dlsym(libhandle, "dbus_get_version");
-    if (dBusApi->dbus_get_version == NULL || !isCurrentVersionSupported(dBusApi)) {
-        return false;
-    }
-
-    dBusApi->dbus_error_init = dlsym(libhandle, "dbus_error_init");
-    dBusApi->dbus_bus_get = dlsym(libhandle, "dbus_bus_get");
-    dBusApi->dbus_error_is_set = dlsym(libhandle, "dbus_error_is_set");
-    dBusApi->dbus_bus_request_name = dlsym(libhandle, "dbus_bus_request_name");
-    dBusApi->dbus_bus_add_match = dlsym(libhandle, "dbus_bus_add_match");
-    dBusApi->dbus_connection_add_filter = dlsym(libhandle, "dbus_connection_add_filter");
-    dBusApi->dbus_connection_flush = dlsym(libhandle, "dbus_connection_flush");
-    dBusApi->dbus_connection_read_write = dlsym(libhandle, "dbus_connection_read_write");
-    dBusApi->dbus_connection_dispatch = dlsym(libhandle, "dbus_connection_dispatch");
-    dBusApi->dbus_message_is_signal = dlsym(libhandle, "dbus_message_is_signal");
-    dBusApi->dbus_message_new_method_call = dlsym(libhandle, "dbus_message_new_method_call");
-    dBusApi->dbus_message_set_destination = dlsym(libhandle, "dbus_message_set_destination");
-    dBusApi->dbus_message_iter_init_append = dlsym(libhandle, "dbus_message_iter_init_append");
-    dBusApi->dbus_message_iter_append_basic = dlsym(libhandle, "dbus_message_iter_append_basic");
-    dBusApi->dbus_connection_send_with_reply_and_block = dlsym(libhandle, "dbus_connection_send_with_reply_and_block");
-    dBusApi->dbus_message_iter_init = dlsym(libhandle, "dbus_message_iter_init");
-    dBusApi->dbus_message_iter_get_arg_type = dlsym(libhandle, "dbus_message_iter_get_arg_type");
-    dBusApi->dbus_message_iter_get_basic = dlsym(libhandle, "dbus_message_iter_get_basic");
-    dBusApi->dbus_message_iter_recurse = dlsym(libhandle, "dbus_message_iter_recurse");
-    dBusApi->dbus_message_iter_next = dlsym(libhandle, "dbus_message_iter_next");
-    dBusApi->dbus_message_unref = dlsym(libhandle, "dbus_message_unref");
-    dBusApi->dbus_message_set_auto_start = dlsym(libhandle, "dbus_message_set_auto_start");
-
-    return dBusApi->dbus_error_init != NULL && dBusApi->dbus_bus_get != NULL && dBusApi->dbus_error_is_set != NULL &&
-            dBusApi->dbus_bus_request_name != NULL && dBusApi->dbus_bus_add_match != NULL &&
-            dBusApi->dbus_connection_add_filter != NULL && dBusApi->dbus_connection_flush != NULL &&
-            dBusApi->dbus_connection_read_write != NULL && dBusApi->dbus_connection_dispatch != NULL &&
-            dBusApi->dbus_message_is_signal != NULL && dBusApi->dbus_message_new_method_call != NULL &&
-            dBusApi->dbus_message_set_destination != NULL && dBusApi->dbus_message_iter_init_append != NULL &&
-            dBusApi->dbus_message_iter_append_basic != NULL && dBusApi->dbus_connection_send_with_reply_and_block != NULL &&
-            dBusApi->dbus_message_iter_init != NULL && dBusApi->dbus_message_iter_get_arg_type != NULL &&
-            dBusApi->dbus_message_iter_get_basic != NULL && dBusApi->dbus_message_iter_recurse != NULL &&
-            dBusApi->dbus_message_iter_next != NULL && dBusApi->dbus_message_unref != NULL &&
-            dBusApi->dbus_message_set_auto_start != NULL;
-}
-
-DBusApi* DBusApi_setupDBus(void *libhandle) {
-    DBusApi *dBusApi = (DBusApi*)malloc(sizeof(DBusApi));
-    if (dBusApi == NULL || !DBusApi_init(dBusApi, libhandle)) {
-        free(dBusApi);
-        dBusApi = NULL;
-    }
-
-    return dBusApi;
-}
-
-DBusApi* DBusApi_setupDBusDefault() {
-    void *dbus_libhandle = dlopen(DBUS_LIB, RTLD_LAZY | RTLD_LOCAL);
-    if (dbus_libhandle == NULL) {
-        dbus_libhandle = dlopen(DBUS_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
-        if (dbus_libhandle == NULL) {
-            return NULL;
-        }
-    }
-
-    return DBusApi_setupDBus(dbus_libhandle);
-}
\ No newline at end of file
diff --git a/src/java.desktop/unix/native/common/awt/dbus_interface.h b/src/java.desktop/unix/native/common/awt/dbus_interface.h
deleted file mode 100644
index a626758..0000000
--- a/src/java.desktop/unix/native/common/awt/dbus_interface.h
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2023, JetBrains s.r.o.. All rights reserved.
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#ifndef JETBRAINSRUNTIME_DBUS_INTERFACE_H
-#define JETBRAINSRUNTIME_DBUS_INTERFACE_H
-
-#define DBUS_NAME_FLAG_ALLOW_REPLACEMENT 0x1
-#define DBUS_NAME_FLAG_REPLACE_EXISTING  0x2
-#define DBUS_NAME_FLAG_DO_NOT_QUEUE      0x4
-
-#define DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER  1
-#define DBUS_REQUEST_NAME_REPLY_IN_QUEUE       2
-#define DBUS_REQUEST_NAME_REPLY_EXISTS         3
-#define DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER  4
-
-typedef enum
-{
-    DBUS_BUS_SESSION,    /**< The login session bus */
-    DBUS_BUS_SYSTEM,     /**< The systemwide bus */
-    DBUS_BUS_STARTER     /**< The bus that started us, if any */
-} DBusBusType;
-
-typedef enum
-{
-    DBUS_HANDLER_RESULT_HANDLED,         /**< Message has had its effect - no need to run more handlers. */
-    DBUS_HANDLER_RESULT_NOT_YET_HANDLED, /**< Message has not had any effect - see if other handlers want it. */
-    DBUS_HANDLER_RESULT_NEED_MEMORY      /**< Need more memory in order to return #DBUS_HANDLER_RESULT_HANDLED or #DBUS_HANDLER_RESULT_NOT_YET_HANDLED. Please try again later with more memory. */
-} DBusHandlerResult;
-
-typedef enum
-{
-    DBUS_DISPATCH_DATA_REMAINS,  /**< There is more data to potentially convert to messages. */
-    DBUS_DISPATCH_COMPLETE,      /**< All currently available data has been processed. */
-    DBUS_DISPATCH_NEED_MEMORY    /**< More memory is needed to continue. */
-} DBusDispatchStatus;
-
-typedef struct DBusConnection DBusConnection;
-typedef struct DBusMessage DBusMessage;
-
-typedef DBusHandlerResult (*DBusHandleMessageFunction) (DBusConnection     *connection,
-                                                        DBusMessage        *message,
-                                                        void               *user_data);
-
-typedef void (*DBusFreeFunction) (void *memory);
-
-typedef struct DBusError DBusError;
-
-struct DBusError
-{
-    const char *name;
-    const char *message;
-
-    unsigned int dummy1 : 1;
-    unsigned int dummy2 : 1;
-    unsigned int dummy3 : 1;
-    unsigned int dummy4 : 1;
-    unsigned int dummy5 : 1;
-
-    void *padding1;
-};
-
-typedef unsigned int dbus_uint32_t;
-typedef dbus_uint32_t  dbus_bool_t;
-
-typedef struct DBusMessageIter DBusMessageIter;
-
-struct DBusMessageIter
-{
-    void *dummy1;
-    void *dummy2;
-    dbus_uint32_t dummy3;
-    int dummy4;
-    int dummy5;
-    int dummy6;
-    int dummy7;
-    int dummy8;
-    int dummy9;
-    int dummy10;
-    int dummy11;
-    int pad1;
-    int pad2;
-    void *pad3;
-};
-
-#define DBUS_TYPE_INT16         ((int) 'n')
-#define DBUS_TYPE_UINT16        ((int) 'q')
-#define DBUS_TYPE_INT32         ((int) 'i')
-#define DBUS_TYPE_UINT32        ((int) 'u')
-#define DBUS_TYPE_INT64         ((int) 'x')
-#define DBUS_TYPE_UINT64        ((int) 't')
-#define DBUS_TYPE_DOUBLE        ((int) 'd')
-#define DBUS_TYPE_BYTE          ((int) 'y')
-#define DBUS_TYPE_BOOLEAN       ((int) 'b')
-#define DBUS_TYPE_STRING        ((int) 's')
-#define DBUS_TYPE_VARIANT       ((int) 'v')
-#define DBUS_TYPE_INVALID       ((int) '\0')
-
-typedef struct DBusApi {
-    void (*dbus_get_version)(int *major_version_p, int *minor_version_p, int *micro_version_p);
-
-    void (*dbus_error_init)(DBusError *error);
-
-    DBusConnection *(*dbus_bus_get)(DBusBusType type, DBusError *error);
-
-    dbus_bool_t (*dbus_error_is_set)(const DBusError *error);
-
-    void (*dbus_error_free)(DBusError *error);
-
-    int (*dbus_bus_request_name)(DBusConnection *connection, const char *name, unsigned int flags, DBusError *error);
-
-    void (*dbus_bus_add_match)(DBusConnection *connection, const char *rule, DBusError *error);
-
-    dbus_bool_t (*dbus_connection_add_filter)(DBusConnection *connection, DBusHandleMessageFunction function,
-            void *user_data, DBusFreeFunction free_data_function);
-
-    void (*dbus_connection_flush)(DBusConnection *connection);
-
-    dbus_bool_t (*dbus_connection_read_write)(DBusConnection *connection, int timeout_milliseconds);
-
-    DBusDispatchStatus (*dbus_connection_dispatch)(DBusConnection *connection);
-
-    dbus_bool_t (*dbus_message_is_signal)(DBusMessage *message, const char *iface, const char *signal_name);
-
-    DBusMessage* (*dbus_message_new_method_call)(const char *bus_name, const char *path,
-            const char *iface, const char *method);
-
-    dbus_bool_t (*dbus_message_set_destination)(DBusMessage *message, const char *destination);
-
-    void (*dbus_message_iter_init_append)(DBusMessage *message, DBusMessageIter *iter);
-
-    dbus_bool_t (*dbus_message_iter_append_basic)(DBusMessageIter *iter, int type, const void *value);
-
-    DBusMessage *(*dbus_connection_send_with_reply_and_block)(DBusConnection *connection, DBusMessage *message,
-                                                           int timeout_milliseconds, DBusError *error);
-
-    dbus_bool_t (*dbus_message_iter_init)(DBusMessage *message, DBusMessageIter *iter);
-
-    int (*dbus_message_iter_get_arg_type)(DBusMessageIter *iter);
-
-    void (*dbus_message_iter_get_basic)(DBusMessageIter *iter, void *value);
-
-    void (*dbus_message_iter_recurse)(DBusMessageIter *iter, DBusMessageIter *sub);
-
-    dbus_bool_t (*dbus_message_iter_next)(DBusMessageIter *iter);
-
-    void (*dbus_message_unref)(DBusMessage *message);
-
-    void (*dbus_message_set_auto_start)(DBusMessage *message, dbus_bool_t auto_start);
-} DBusApi;
-
-
-DBusApi* DBusApi_setupDBus(void *libhandle);
-DBusApi* DBusApi_setupDBusDefault();
-
-#endif //JETBRAINSRUNTIME_DBUS_INTERFACE_H
diff --git a/src/java.desktop/unix/native/common/awt/system_properties.c b/src/java.desktop/unix/native/common/awt/system_properties.c
deleted file mode 100644
index 2552038..0000000
--- a/src/java.desktop/unix/native/common/awt/system_properties.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2023, JetBrains s.r.o.. All rights reserved.
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "system_properties.h"
-
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define UNKNOWN_RESULT -1
-#define SETTING_INTERFACE "org.freedesktop.portal.Settings"
-#define SETTING_INTERFACE_METHOD "Read"
-#define DESKTOP_DESTINATION "org.freedesktop.portal.Desktop"
-#define DESKTOP_PATH "/org/freedesktop/portal/desktop"
-#define REPLY_TIMEOUT 150
-
-static DBusConnection *connection = NULL;
-static JNIEnv *env = NULL;
-static DBusApi *dBus = NULL;
-static bool initialized = false;
-static bool logEnabled = true;
-extern JavaVM *jvm;
-
-static void printError(const char* fmt, ...) {
-    if (!logEnabled) {
-        return;
-    }
-
-    env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
-    char* buf = (char*)malloc(1024);
-
-    if (env && buf) {
-        va_list vargs;
-        va_start(vargs, fmt);
-        vsnprintf(buf, 1024, fmt, vargs);
-        jstring text = JNU_NewStringPlatform(env, buf);
-        free(buf);
-        va_end(vargs);
-
-        jboolean ignoreException;
-        JNU_CallStaticMethodByName(env, &ignoreException, "sun/awt/UNIXToolkit", "printError",
-                                   "(Ljava/lang/String;)V", text);
-    }
-}
-
-static bool dbusCheckError(DBusError *err, const char *msg) {
-    bool is_error_set = dBus->dbus_error_is_set(err);
-    if (is_error_set) {
-        printError("DBus error: %s. %s\n", msg, err->message);
-        dBus->dbus_error_free(err);
-    }
-    return is_error_set;
-}
-
-bool SystemProperties_setup(DBusApi *dBus_, JNIEnv *env_) {
-    env = env_;
-    dBus = dBus_;
-    DBusError err;
-    int ret;
-
-    dBus->dbus_error_init(&err);
-    if ((connection = dBus->dbus_bus_get(DBUS_BUS_SESSION, &err)) == NULL) {
-        printError("DBus error: connection is Null\n");
-        return false;
-    }
-    if (dbusCheckError(&err, "connection error")) {
-        return false;
-    }
-
-    ret = dBus->dbus_bus_request_name(connection, "dbus.JBR.server", DBUS_NAME_FLAG_REPLACE_EXISTING , &err);
-    if (ret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER && ret != DBUS_REQUEST_NAME_REPLY_IN_QUEUE) {
-        printError("DBus error: Failed to acquire service name \n");
-        return false;
-    }
-    if (dbusCheckError(&err, "error request 'dbus.JBR.server' name on the bus")) {
-        return false;
-    }
-
-    dBus->dbus_connection_flush(connection);
-    initialized = true;
-
-    return true;
-}
-
-// current implementation of object decomposition supports only
-// primitive types (including a recursive type wrapper)
-static bool getBasicIter(void *val, DBusMessageIter *iter, int demand_type) {
-    int type = dBus->dbus_message_iter_get_arg_type(iter);
-    switch (type)
-    {
-        case DBUS_TYPE_INT16:
-        case DBUS_TYPE_UINT16:
-        case DBUS_TYPE_INT32:
-        case DBUS_TYPE_UINT32:
-        case DBUS_TYPE_INT64:
-        case DBUS_TYPE_UINT64:
-        case DBUS_TYPE_DOUBLE:
-        case DBUS_TYPE_BYTE:
-        case DBUS_TYPE_BOOLEAN:
-        case DBUS_TYPE_STRING:
-        {
-            if (type != demand_type) {
-                return false;
-            }
-            dBus->dbus_message_iter_get_basic(iter, val);
-            return true;
-        }
-        case DBUS_TYPE_VARIANT:
-        {
-            DBusMessageIter sub_iter;
-            dBus->dbus_message_iter_recurse(iter, &sub_iter);
-            bool res = getBasicIter(val, &sub_iter, demand_type);
-            // current implementation doesn't support types with multiple fields
-            if (dBus->dbus_message_iter_next(iter)) {
-                return false;
-            }
-            return res;
-        }
-        case DBUS_TYPE_INVALID:
-        default:
-            return false;
-    }
-}
-
-static bool sendDBusMessageWithReply(const char *messages[], int message_count, void *val, int demand_type) {
-    DBusError error;
-    DBusMessage *message = NULL;
-    DBusMessage *reply = NULL;
-    DBusMessageIter iter;
-    bool res = false;
-
-    if (!initialized) {
-        return false;
-    }
-
-    dBus->dbus_error_init(&error);
-    message = dBus->dbus_message_new_method_call(NULL, DESKTOP_PATH, SETTING_INTERFACE, SETTING_INTERFACE_METHOD);
-    if (message == NULL) {
-        printError("DBus error: cannot allocate message\n");
-        goto cleanup;
-    }
-
-    dBus->dbus_message_set_auto_start(message, true);
-    if (!dBus->dbus_message_set_destination(message, DESKTOP_DESTINATION)) {
-        printError("DBus error: cannot set destination\n");
-        goto cleanup;
-    }
-
-    dBus->dbus_message_iter_init_append(message, &iter);
-
-    for (int i = 0; i < message_count; i++) {
-        if (!dBus->dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &messages[i])) {
-            printError("DBus error: cannot append to message\n");
-            goto cleanup;
-        }
-    }
-
-    if ((reply = dBus->dbus_connection_send_with_reply_and_block(connection, message, REPLY_TIMEOUT, &error)) == NULL) {
-        printError("DBus error: cannot get reply or sent message. %s\n", dBus->dbus_error_is_set(&error) ? error.message : "");
-        goto cleanup;
-    }
-
-    if (!dBus->dbus_message_iter_init (reply, &iter)) {
-        printError("DBus error: cannot process message\n");
-        goto cleanup;
-    }
-
-    res = getBasicIter(val, &iter, demand_type);
-
-cleanup:
-    if (reply) {
-        dBus->dbus_message_unref(reply);
-    }
-    if (message) {
-        dBus->dbus_message_unref(message);
-    }
-    return res;
-}
-
-JNIEXPORT jint JNICALL Java_sun_awt_UNIXToolkit_isSystemDarkColorScheme() {
-    static int use_freedesktop_appearance = -1;
-    const char *freedesktop_appearance_messages[] = {"org.freedesktop.appearance", "color-scheme"};
-    const char *gnome_desktop_messages[] = {"org.gnome.desktop.interface", "gtk-theme"};
-
-    if (use_freedesktop_appearance == -1) {
-        unsigned int res = 0;
-        logEnabled = false;
-        use_freedesktop_appearance =
-                sendDBusMessageWithReply(freedesktop_appearance_messages, 2, &res, DBUS_TYPE_UINT32);
-        logEnabled = true;
-    }
-
-    if (use_freedesktop_appearance) {
-        unsigned int res = 0;
-        if (!sendDBusMessageWithReply(freedesktop_appearance_messages, 2, &res, DBUS_TYPE_UINT32)) {
-            return UNKNOWN_RESULT;
-        }
-        return res;
-    } else {
-        char *res = NULL;
-        if (!sendDBusMessageWithReply(gnome_desktop_messages, 2, &res, DBUS_TYPE_STRING)) {
-            return UNKNOWN_RESULT;
-        }
-        return (res != NULL) ? strstr(res, "dark") != NULL : UNKNOWN_RESULT;
-    }
-}
-
-JNIEXPORT void JNICALL Java_sun_awt_UNIXToolkit_toolkitInit() {
-    DBusApi *dBus = DBusApi_setupDBusDefault();
-    if (dBus) {
-        SystemProperties_setup(dBus, env);
-    }
-}
diff --git a/src/java.desktop/unix/native/common/awt/system_properties.h b/src/java.desktop/unix/native/common/awt/system_properties.h
deleted file mode 100644
index e69b3fd..0000000
--- a/src/java.desktop/unix/native/common/awt/system_properties.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2023, JetBrains s.r.o.. All rights reserved.
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#ifndef JETBRAINSRUNTIME_SYSTEM_PROPERTIES_H
-#define JETBRAINSRUNTIME_SYSTEM_PROPERTIES_H
-
-#include <stdbool.h>
-#include <jni.h>
-#include <jni_util.h>
-
-#include "dbus_interface.h"
-
-bool SystemProperties_setup(DBusApi *dBus_, JNIEnv *env_);
-void SystemProperties_pullEvent(void);
-
-#endif //JETBRAINSRUNTIME_SYSTEM_PROPERTIES_H
diff --git a/test/jdk/jb/java/awt/Toolkit/DetectingOSThemeTest.java b/test/jdk/jb/java/awt/Toolkit/DetectingOSThemeTest.java
deleted file mode 100644
index 1a45b64..0000000
--- a/test/jdk/jb/java/awt/Toolkit/DetectingOSThemeTest.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright 2000-2024 JetBrains s.r.o.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-import java.awt.*;
-import java.io.*;
-import java.util.ArrayList;
-import java.util.Arrays;
-
-/**
- * @test
- * @summary DetectingOSThemeTest checks that JBR could correctly detect OS theme and notify about theme changing in time
- * @run main DetectingOSThemeTest
- * @requires (os.family == "linux")
- */
-public class DetectingOSThemeTest {
-    private static final int TIME_TO_WAIT = 2000;
-    private static final String LIGHT_THEME_NAME = "Light";
-    private static final String DARK_THEME_NAME = "Dark";
-    private static final String UNDEFINED_THEME_NAME = "Undefined";
-
-    private static String currentTheme() {
-        Boolean val = (Boolean) Toolkit.getDefaultToolkit().getDesktopProperty("awt.os.theme.isDark");
-        if (val == null) {
-            return UNDEFINED_THEME_NAME;
-        }
-        return (val) ? DARK_THEME_NAME : LIGHT_THEME_NAME;
-    }
-
-    private static void setOsDarkTheme(String val) {
-        try {
-            if (val.equals(DARK_THEME_NAME)) {
-                Runtime.getRuntime().exec("gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita-dark'");
-                Runtime.getRuntime().exec("gsettings set org.gnome.desktop.interface color-scheme 'prefer-dark'");
-            } else {
-                Runtime.getRuntime().exec("gsettings set org.gnome.desktop.interface gtk-theme 'Adwaita'");
-                Runtime.getRuntime().exec("gsettings set org.gnome.desktop.interface color-scheme 'default'");
-            }
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    private static String currentTheme = null;
-
-    public static void main(String[] args) throws Exception {
-        currentTheme = currentTheme();
-        if (currentTheme.equals(UNDEFINED_THEME_NAME)) {
-            throw new RuntimeException("Test Failed! Cannot detect current OS theme");
-        }
-
-        String initialTheme = currentTheme;
-        try {
-            setOsDarkTheme(LIGHT_THEME_NAME);
-            Thread.sleep(TIME_TO_WAIT);
-            if (!currentTheme().equals(LIGHT_THEME_NAME)) {
-                throw new RuntimeException("Test Failed! Initial OS theme supposed to be Light");
-            }
-
-            String[] themesOrder = {DARK_THEME_NAME, LIGHT_THEME_NAME, DARK_THEME_NAME};
-            Toolkit.getDefaultToolkit().addPropertyChangeListener("awt.os.theme.isDark", evt -> {
-                currentTheme = currentTheme();
-            });
-
-            for (String nextTheme : themesOrder) {
-                setOsDarkTheme(nextTheme);
-                Thread.sleep(TIME_TO_WAIT);
-
-                if (!currentTheme().equals(nextTheme)) {
-                    throw new RuntimeException("Test Failed! OS theme which was set doesn't match with detected");
-                }
-                if (!currentTheme.equals(nextTheme)) {
-                    throw new RuntimeException("Test Failed! Changing OS theme was not detected");
-                }
-            }
-        } finally {
-            setOsDarkTheme(initialTheme);
-        }
-    }
-}
\ No newline at end of file