diff --git a/lets-encrypt/test-new-config.sh b/lets-encrypt/test-new-config.sh
index 75a0903ec3..ea55fc07c0 100644
--- a/lets-encrypt/test-new-config.sh
+++ b/lets-encrypt/test-new-config.sh
@@ -35,7 +35,11 @@ then
 fi
 
 # Set trusted domains
-run_script NETWORK trusted
+nextcloud_occ config:system:set trusted_domains 0 --value="localhost"
+nextcloud_occ config:system:set trusted_domains 1 --value="$ADDRESS"
+nextcloud_occ config:system:set trusted_domains 2 --value="$(hostname -f)"
+nextcloud_occ config:system:set overwrite.cli.url --value="https://$(hostname --fqdn)"
+nextcloud_occ maintenance:update:htaccess
 
 # Add crontab
 cat << CRONTAB > "$SCRIPTS/letsencryptrenew.sh"
diff --git a/network/trusted.sh b/network/trusted.sh
index 6b0e6504dd..7fbc3eec04 100644
--- a/network/trusted.sh
+++ b/network/trusted.sh
@@ -1,28 +1,14 @@
 #!/bin/bash
-
-# T&M Hansson IT AB © - 2023, https://www.hanssonit.se/
-
 true
-SCRIPT_NAME="Trusted"
+SCRIPT_NAME="Set trusted domain"
 # shellcheck source=lib.sh
-source /var/scripts/fetch_lib.sh
-
-# Check for errors + debug code and abort if something isn't right
-# 1 = ON
-# 0 = OFF
-DEBUG=0
-debug_mode
-
-download_script NETWORK update-config
-if [ -f $SCRIPTS/update-config.php ]
-then
-    # Change config.php
-    php $SCRIPTS/update-config.php $NCPATH/config/config.php 'trusted_domains[]' localhost "${ADDRESS[@]}" "$(hostname)" "$(hostname --fqdn)" >/dev/null 2>&1
-    php $SCRIPTS/update-config.php $NCPATH/config/config.php overwrite.cli.url https://"$(hostname --fqdn)"/ >/dev/null 2>&1
+source <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
 
-    # Change .htaccess accordingly
-    sed -i "s|RewriteBase /nextcloud|RewriteBase /|g" $NCPATH/.htaccess
+# Removed in NC 26.0.0.
 
-    # Cleanup
-    rm -f $SCRIPTS/update-config.php
-fi
+# Set trusted domains
+nextcloud_occ config:system:set trusted_domains 0 --value="localhost"
+nextcloud_occ config:system:set trusted_domains 1 --value="$ADDRESS"
+nextcloud_occ config:system:set trusted_domains 2 --value="$(hostname -f)"
+nextcloud_occ config:system:set overwrite.cli.url --value="https://$(hostname --fqdn)"
+nextcloud_occ maintenance:update:htaccess
diff --git a/network/update-config.php b/network/update-config.php
deleted file mode 100644
index cf88651ff1..0000000000
--- a/network/update-config.php
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/php
-
-# Credit to: https://github.com/jnweiger
-
-<?php
-
-#
-# Update or delete an entry in config.php.
-# Called by kiwi's config.sh
-#
-if ($argc < 3)
-  {
-    print "Example Usage:\n\t". __FILE__." path/to/config.php overwritewebroot /nextcloud\n";
-    print "\t".__FILE__." path/to/config.php trusted_domains[] 17.0.2.15 localhost\n";
-    # nothing to do
-    return;
-  }
-
-
-if (!is_file($argv[1]))
-  {
-    # do not create the file, if missing.
-    # Wrong permissions are deadly for nextcloud.
-    ## FIXME: get some proper errno or strerror() please?
-    print($argv[1] . ": \$CONFIG cannot be loaded?\n");
-    return;
-  }
-
-include "$argv[1]";
-
-if ($argc > 3)
-  {
-    # append [] to the key name, if you need to pass an array object.
-    if (substr($argv[2], -2) === '[]')
-      {
-        $CONFIG[substr($argv[2],0,-2)] = array_slice($argv,3);
-      }
-    else
-      {
-        $CONFIG[$argv[2]] = $argv[3];
-      }
-  }
-else
-  {
-    # exactly two parameter given -- means delete.
-    unset($CONFIG[$argv[2]]);
-  }
-
-$text = var_export($CONFIG, true);
-## A warning is printed, if argv[1] is not writable.
-## PHP does not issue proper errno or strerror() does it?
-file_put_contents($argv[1], "<?php\n\$CONFIG = $text;\n");
-?>
diff --git a/nextcloud-startup-script.sh b/nextcloud-startup-script.sh
index d497129a1d..36fabf2f93 100644
--- a/nextcloud-startup-script.sh
+++ b/nextcloud-startup-script.sh
@@ -553,8 +553,12 @@ mesg n
 
 ROOTNEWPROFILE
 
-# Set trusted domain in config.php
-run_script NETWORK trusted
+# Set trusted domains
+nextcloud_occ config:system:set trusted_domains 0 --value="localhost"
+nextcloud_occ config:system:set trusted_domains 1 --value="$ADDRESS"
+nextcloud_occ config:system:set trusted_domains 2 --value="$(hostname -f)"
+nextcloud_occ config:system:set overwrite.cli.url --value="https://$(hostname --fqdn)"
+nextcloud_occ maintenance:update:htaccess
 
 # Upgrade system
 print_text_in_color "$ICyan" "System will now upgrade..."
diff --git a/static/trusted.sh b/static/trusted.sh
deleted file mode 100644
index be17dd981a..0000000000
--- a/static/trusted.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-true
-SCRIPT_NAME="Set trusted domain"
-# shellcheck source=lib.sh
-source <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-
-# This is needed since we removed this from the startup script, or changed name so it can't be downloaded anymore
-msg_box "You are running an outdated release.
-
-You see this message only to make it possible to run the first startup script, but as time goes, more and more will we incompatible.
-
-We urge you to download the latest version as soon as possible: https://github.com/nextcloud/vm/releases"