diff -uNr xorg-server-1.20.1/hw/xfree86/parser/write.c xorg-server-1.20.1.mod/hw/xfree86/parser/write.c
--- xorg-server-1.20.1/hw/xfree86/parser/write.c	2018-08-07 19:31:03.000000000 +0300
+++ xorg-server-1.20.1.mod/hw/xfree86/parser/write.c	2018-10-08 21:07:16.817587230 +0300
@@ -129,64 +129,5 @@
 int
 xf86writeConfigFile(const char *filename, XF86ConfigPtr cptr)
 {
-#ifndef HAS_NO_UIDS
-    int ret;
-
-    if (getuid() != geteuid()) {
-
-#if !defined(HAS_SAVED_IDS_AND_SETEUID)
-        int pid, p;
-        int status;
-        void (*csig) (int);
-
-        /* Need to fork to change ruid without loosing euid */
-        csig = OsSignal(SIGCHLD, SIG_DFL);
-        switch ((pid = fork())) {
-        case -1:
-            ErrorF("xf86writeConfigFile(): fork failed (%s)\n",
-                   strerror(errno));
-            return 0;
-        case 0:                /* child */
-            if (setuid(getuid()) == -1)
-                FatalError("xf86writeConfigFile(): "
-                           "setuid failed(%s)\n", strerror(errno));
-            ret = doWriteConfigFile(filename, cptr);
-            exit(ret);
-            break;
-        default:               /* parent */
-            do {
-                p = waitpid(pid, &status, 0);
-            } while (p == -1 && errno == EINTR);
-        }
-        OsSignal(SIGCHLD, csig);
-        if (p != -1 && WIFEXITED(status) && WEXITSTATUS(status) == 0)
-            return 1;           /* success */
-        else
-            return 0;
-
-#else                           /* HAS_SAVED_IDS_AND_SETEUID */
-        int ruid, euid;
-
-        ruid = getuid();
-        euid = geteuid();
-
-        if (seteuid(ruid) == -1) {
-            ErrorF("xf86writeConfigFile(): seteuid(%d) failed (%s)\n",
-                   ruid, strerror(errno));
-            return 0;
-        }
-        ret = doWriteConfigFile(filename, cptr);
-
-        if (seteuid(euid) == -1) {
-            ErrorF("xf86writeConfigFile(): seteuid(%d) failed (%s)\n",
-                   euid, strerror(errno));
-        }
-        return ret;
-
-#endif                          /* HAS_SAVED_IDS_AND_SETEUID */
-
-    }
-    else
-#endif                          /* !HAS_NO_UIDS */
-        return doWriteConfigFile(filename, cptr);
+    return doWriteConfigFile(filename, cptr);
 }