diff --git a/generated/8.4/functionsList.php b/generated/8.4/functionsList.php
index 48025f0d..52ad6ba9 100644
--- a/generated/8.4/functionsList.php
+++ b/generated/8.4/functionsList.php
@@ -11,7 +11,6 @@
     'apcu_fetch',
     'apcu_inc',
     'apcu_sma_info',
-    'array_all',
     'base64_decode',
     'bindtextdomain',
     'bzclose',
diff --git a/generated/8.4/rector-migrate.php b/generated/8.4/rector-migrate.php
index 3dc8eeeb..a2103c0c 100644
--- a/generated/8.4/rector-migrate.php
+++ b/generated/8.4/rector-migrate.php
@@ -19,7 +19,6 @@
             'apcu_fetch' => 'Safe\apcu_fetch',
             'apcu_inc' => 'Safe\apcu_inc',
             'apcu_sma_info' => 'Safe\apcu_sma_info',
-            'array_all' => 'Safe\array_all',
             'base64_decode' => 'Safe\base64_decode',
             'bindtextdomain' => 'Safe\bindtextdomain',
             'bzclose' => 'Safe\bzclose',
diff --git a/generated/8.5/functionsList.php b/generated/8.5/functionsList.php
index a9f99cdd..ce0f4c1b 100644
--- a/generated/8.5/functionsList.php
+++ b/generated/8.5/functionsList.php
@@ -11,7 +11,6 @@
     'apcu_fetch',
     'apcu_inc',
     'apcu_sma_info',
-    'array_all',
     'base64_decode',
     'bindtextdomain',
     'bzclose',
diff --git a/generated/8.5/rector-migrate.php b/generated/8.5/rector-migrate.php
index 2ca18547..b54acd31 100644
--- a/generated/8.5/rector-migrate.php
+++ b/generated/8.5/rector-migrate.php
@@ -19,7 +19,6 @@
             'apcu_fetch' => 'Safe\apcu_fetch',
             'apcu_inc' => 'Safe\apcu_inc',
             'apcu_sma_info' => 'Safe\apcu_sma_info',
-            'array_all' => 'Safe\array_all',
             'base64_decode' => 'Safe\base64_decode',
             'bindtextdomain' => 'Safe\bindtextdomain',
             'bzclose' => 'Safe\bzclose',
diff --git a/generator/config/hiddenFunctions.php b/generator/config/hiddenFunctions.php
new file mode 100644
index 00000000..6753c91e
--- /dev/null
+++ b/generator/config/hiddenFunctions.php
@@ -0,0 +1,11 @@
+<?php
+/*
+ * A list of functions which don't really belong in Safe, but our
+ * unsafe-function-detector detected them by accident, and now we
+ * don't want to delete them (because that would break the backwards
+ * compatibility promise implied by Semver), but we also don't want
+ * to suggest that users should be using them.
+ */
+return [
+    'array_all', // false is not an error
+];
diff --git a/generator/src/Generator/FileCreator.php b/generator/src/Generator/FileCreator.php
index f9d4788f..d5537a54 100644
--- a/generator/src/Generator/FileCreator.php
+++ b/generator/src/Generator/FileCreator.php
@@ -93,8 +93,8 @@ private function getFunctionsNameList(array $functions): array
         $functionNames = array_map(function (Method $function) {
             return $function->getFunctionName();
         }, $functions);
-        $specialCases = Scanner::getSpecialCases();
-        $functionNames = array_merge($functionNames, $specialCases);
+        $functionNames = array_merge($functionNames, Scanner::getSpecialCases());
+        $functionNames = array_diff($functionNames, Scanner::getHiddenFunctions());
         natcasesort($functionNames);
         return $functionNames;
     }
diff --git a/generator/src/XmlDocParser/Scanner.php b/generator/src/XmlDocParser/Scanner.php
index 1e0025d1..2aabb170 100644
--- a/generator/src/XmlDocParser/Scanner.php
+++ b/generator/src/XmlDocParser/Scanner.php
@@ -23,7 +23,7 @@ class Scanner
     /**
      * @var string[]
      */
-    private $ignoredModules;
+    private ?array $ignoredModules = null;
 
     public function __construct(private readonly string $path)
     {
@@ -95,6 +95,17 @@ public static function getSpecialCases(): array
         return $matches[1];
     }
 
+    /**
+     * Get a list of functions defined in special_cases.php so that we
+     * can ignore them in the main list.
+     *
+     * @return string[]
+     */
+    public static function getHiddenFunctions(): array
+    {
+        return require FileCreator::getSafeRootDir() . '/generator/config/hiddenFunctions.php';
+    }
+
     /**
      * @param SplFileInfo[] $paths
      * @param string[] $pastFunctionNames