diff --git a/backup/cc/restore_cc.php b/backup/cc/restore_cc.php
index 94625fb4ee0..845d9e2e791 100644
--- a/backup/cc/restore_cc.php
+++ b/backup/cc/restore_cc.php
@@ -39,11 +39,6 @@ function cc_convert ($dir) {
 
             $detected_requirements = detect_requirements();
 
-            if (!$detected_requirements["php5"]) {
-                echo $OUTPUT->notification(get_string('cc_import_req_php5', 'imscc'));
-                return false;
-            }
-
             if (!$detected_requirements["dom"]) {
                 echo $OUTPUT->notification(get_string('cc_import_req_dom', 'imscc'));
                 return false;
@@ -98,12 +93,6 @@ function cc_convert ($dir) {
 
 function detect_requirements () {
 
-    if (floor(phpversion()) >= 5) {
-        $detected["php5"] = true;
-    } else {
-        $detected["php5"] = false;
-    }
-
     $detected["xsl"] = extension_loaded('xsl');
     $detected['dom'] = extension_loaded('dom');
     $detected['libxml'] = extension_loaded('libxml');
diff --git a/lang/en/deprecated.txt b/lang/en/deprecated.txt
index c365a69e2c7..278e0593e34 100644
--- a/lang/en/deprecated.txt
+++ b/lang/en/deprecated.txt
@@ -180,3 +180,4 @@ globalratelimit_desc,aiprovider_openai
 orgid_desc,aiprovider_openai
 userratelimit,aiprovider_openai
 userratelimit_desc,aiprovider_openai
+cc_import_req_php5,core_imscc
diff --git a/lang/en/imscc.php b/lang/en/imscc.php
index 20ef87f6cc2..bfa5fd6465f 100644
--- a/lang/en/imscc.php
+++ b/lang/en/imscc.php
@@ -26,7 +26,6 @@
 $string['cc_import_req_dom'] = 'ERROR: The Common Cartridge import requires DOM extension.';
 $string['cc_import_req_libxml'] = 'ERROR: The Common Cartridge import requires LIBXML extension.';
 $string['cc_import_req_libxmlminversion'] = 'ERROR: The Common Cartridge import requires LIBXML version 2.6.30 or newer.';
-$string['cc_import_req_php5'] = 'ERROR: The Common Cartridge import requires PHP 5 or higher.';
 $string['cc_import_req_xsl'] = 'ERROR: The Common Cartridge import requires XSL.';
 $string['cc2moodle_checking_schema'] = 'CC format! Checking schema...';
 $string['cc2moodle_invalid_schema'] = 'The schema is not valid.';
@@ -36,3 +35,6 @@ $string['cc2moodle_valid_schema'] = 'Schema valid!';
 $string['enable_cc_import'] = 'Enable CC import';
 $string['enable_cc_import_description'] = 'This setting enables the import of Common Cartridge (IMS-CC) packages using the standard restore functionality. Note it requires PHP5, DOM, XSL and LIBXML (2.6.30 or newer) extensions to be installed in the server.';
 $string['checkingforimscc'] = 'Checking for IMS-CC...';
+
+// Deprecated since Moodle 5.0.
+$string['cc_import_req_php5'] = 'ERROR: The Common Cartridge import requires PHP 5 or higher.';