diff --git a/ext/alias_editor/main.php b/ext/alias_editor/main.php
index 133de0b4..9232b8c0 100644
--- a/ext/alias_editor/main.php
+++ b/ext/alias_editor/main.php
@@ -106,7 +106,7 @@ class AliasEditor extends Extension
                     if (count($_FILES) > 0) {
                         $tmp = $_FILES['alias_file']['tmp_name'];
                         $contents = file_get_contents($tmp);
-                        $this->add_alias_csv($database, $contents);
+                        $this->add_alias_csv($contents);
                         log_info("alias_editor", "Imported aliases from file", "Imported aliases"); # FIXME: how many?
                         $page->set_mode(PageMode::REDIRECT);
                         $page->set_redirect(make_link("alias/list"));
@@ -179,7 +179,7 @@ class AliasEditor extends Extension
         return $csv;
     }
 
-    private function add_alias_csv(Database $database, string $csv): int
+    private function add_alias_csv(string $csv): int
     {
         $csv = str_replace("\r", "\n", $csv);
         $i = 0;
diff --git a/ext/artists/main.php b/ext/artists/main.php
index 5884ae34..7f03941c 100644
--- a/ext/artists/main.php
+++ b/ext/artists/main.php
@@ -166,7 +166,7 @@ class Artists extends Extension
                 //*************ARTIST SECTION**************
                 case "list":
                     {
-                        $this->get_listing($page, $event);
+                        $this->get_listing($event);
                         $this->theme->sidebar_options("neutral");
                         break;
                     }
@@ -847,7 +847,7 @@ class Artists extends Extension
     /*
     * HERE WE GET THE LIST OF ALL ARTIST WITH PAGINATION
     */
-    private function get_listing(Page $page, PageRequestEvent $event)
+    private function get_listing(PageRequestEvent $event)
     {
         global $config, $database;
 
diff --git a/ext/auto_tagger/main.php b/ext/auto_tagger/main.php
index bd73a23d..a4abf1d3 100644
--- a/ext/auto_tagger/main.php
+++ b/ext/auto_tagger/main.php
@@ -112,7 +112,7 @@ class AutoTagger extends Extension
                     if (count($_FILES) > 0) {
                         $tmp = $_FILES['auto_tag_file']['tmp_name'];
                         $contents = file_get_contents($tmp);
-                        $count = $this->add_auto_tag_csv($database, $contents);
+                        $count = $this->add_auto_tag_csv($contents);
                         log_info(AutoTaggerInfo::KEY, "Imported $count auto-tag definitions from file from file", "Imported $count auto-tag definitions");
                         $page->set_mode(PageMode::REDIRECT);
                         $page->set_redirect(make_link("auto_tag/list"));
@@ -191,7 +191,7 @@ class AutoTagger extends Extension
         return $csv;
     }
 
-    private function add_auto_tag_csv(Database $database, string $csv): int
+    private function add_auto_tag_csv(string $csv): int
     {
         $csv = str_replace("\r", "\n", $csv);
         $i = 0;
@@ -250,37 +250,6 @@ class AutoTagger extends Extension
         $this->apply_new_auto_tag($tag);
     }
 
-    private function update_auto_tag(string $tag, string $additional_tags): bool
-    {
-        global $database;
-        $result = $database->get_row("SELECT * FROM auto_tag WHERE LOWER(tag)=LOWER(:tag)", ["tag"=>$tag]);
-
-        if ($result===null) {
-            throw new AutoTaggerException("Auto-tag not set for $tag, can't update");
-        } else {
-            $additional_tags = Tag::explode($additional_tags);
-            $current_additional_tags = Tag::explode($result["additional_tags"]);
-
-            if (!Tag::compare($additional_tags, $current_additional_tags)) {
-                $database->execute(
-                    "UPDATE auto_tag SET additional_tags = :additional_tags WHERE LOWER(tag)=LOWER(:tag)",
-                    ["tag"=>$tag, "additional_tags"=>Tag::implode($additional_tags)]
-                );
-
-                log_info(
-                    AutoTaggerInfo::KEY,
-                    "Updated auto-tag for {$tag} -> {".implode(" ", $additional_tags)."}",
-                    "Updated Auto-Tag"
-                );
-
-                // Now we apply it to existing items
-                $this->apply_new_auto_tag($tag);
-                return true;
-            }
-        }
-        return false;
-    }
-
     private function apply_new_auto_tag(string $tag)
     {
         global $database;
@@ -296,8 +265,6 @@ class AutoTagger extends Extension
         }
     }
 
-
-
     private function remove_auto_tag(String $tag)
     {
         global $database;
diff --git a/ext/biography/theme.php b/ext/biography/theme.php
index 2aa65b34..f555e932 100644
--- a/ext/biography/theme.php
+++ b/ext/biography/theme.php
@@ -15,16 +15,12 @@ class BiographyTheme extends Themelet
 
     public function display_composer(Page $page, string $bio)
     {
-        global $user;
-        $post_url = make_link("biography");
-        $auth = $user->get_auth_html();
-
         $html = SHM_SIMPLE_FORM(
-            $post_url,
+            make_link("biography"),
             TEXTAREA(["style"=>"width: 100%", "rows"=>"6", "name"=>"biography"], $bio),
             SHM_SUBMIT("Save")
         );
 
-        $page->add_block(new Block("About Me", (string)$html, "main", 30));
+        $page->add_block(new Block("About Me", $html, "main", 30));
     }
 }
diff --git a/ext/cron_uploader/main.php b/ext/cron_uploader/main.php
index 195dda85..36defedf 100644
--- a/ext/cron_uploader/main.php
+++ b/ext/cron_uploader/main.php
@@ -353,7 +353,7 @@ class CronUploader extends Extension
             //set_time_limit(0);
 
             $output_subdir = date('Ymd-His', time());
-            $image_queue = $this->generate_image_queue($user_config->get_string(CronUploaderConfig::DIR));
+            $image_queue = $this->generate_image_queue();
 
             // Randomize Images
             //shuffle($this->image_queue);
@@ -502,18 +502,6 @@ class CronUploader extends Extension
 
     private const PARTIAL_DOWNLOAD_EXTENSIONS = ['crdownload','part'];
     private const SKIPPABLE_FILES = ['.ds_store','thumbs.db'];
-    private const SKIPPABLE_DIRECTORIES = ['__macosx'];
-
-    private function is_skippable_dir(string $path): bool
-    {
-        $info = pathinfo($path);
-
-        if (array_key_exists("basename", $info) && in_array(strtolower($info['basename']), self::SKIPPABLE_DIRECTORIES)) {
-            return true;
-        }
-
-        return false;
-    }
 
     private function is_skippable_file(string $path): bool
     {
@@ -530,7 +518,7 @@ class CronUploader extends Extension
         return false;
     }
 
-    private function generate_image_queue(string $root_dir, ?int $limit = null): \Generator
+    private function generate_image_queue(): \Generator
     {
         $base = $this->get_queue_dir();
 
diff --git a/ext/cron_uploader/theme.php b/ext/cron_uploader/theme.php
index 6ba6f395..64b43c7c 100644
--- a/ext/cron_uploader/theme.php
+++ b/ext/cron_uploader/theme.php
@@ -125,7 +125,7 @@ class CronUploaderTheme extends Themelet
         }
     }
 
-    public function get_user_options(string $dir, bool $stop_on_error, int $log_level, bool $all_logs): string
+    public function get_user_options(): string
     {
         $form = SHM_SIMPLE_FORM(
             "user_admin/cron_uploader",
diff --git a/ext/forum/main.php b/ext/forum/main.php
index 3e5914ee..443af4ac 100644
--- a/ext/forum/main.php
+++ b/ext/forum/main.php
@@ -354,23 +354,6 @@ class Forum extends Extension
         $database->execute("UPDATE forum_threads SET uptodate=now() WHERE id=:id", ['id'=>$threadID]);
     }
 
-    private function retrieve_posts(int $threadID, int $pageNumber): array
-    {
-        global $database, $config;
-        $postsPerPage = $config->get_int('forumPostsPerPage', 15);
-
-        return $database->get_all(
-            "SELECT p.id, p.date, p.message, u.name as user_name, u.email AS user_email, u.class AS user_class ".
-                "FROM forum_posts AS p ".
-                "INNER JOIN users AS u ".
-                "ON p.user_id = u.id ".
-                "WHERE thread_id = :thread_id ".
-                "ORDER BY p.date ASC ".
-                "LIMIT :limit OFFSET :offset ",
-            ["thread_id"=>$threadID, "offset"=>($pageNumber - 1) * $postsPerPage, "limit"=>$postsPerPage]
-        );
-    }
-
     private function delete_thread(int $threadID): void
     {
         global $database;
diff --git a/ext/index/test.php b/ext/index/test.php
index 84f1ab9f..6f21fa62 100644
--- a/ext/index/test.php
+++ b/ext/index/test.php
@@ -82,7 +82,7 @@ class IndexTest extends ShimmiePHPUnitTestCase
     /** @depends testUpload */
     public function testTagSearchNoResults($image_ids)
     {
-        $image_ids = $this->testUpload();
+        $this->testUpload();
         $this->assert_search_results(["maumaumau"], []);
     }
 
@@ -106,7 +106,7 @@ class IndexTest extends ShimmiePHPUnitTestCase
     /** @depends testUpload */
     public function testMultiTagSearchNoResults($image_ids)
     {
-        $image_ids = $this->testUpload();
+        $this->testUpload();
         # multiple tags, one of which doesn't exist
         # (test the "one tag doesn't exist = no hits" path)
         $this->assert_search_results(["computer", "asdfasdfwaffle"], []);
@@ -132,7 +132,7 @@ class IndexTest extends ShimmiePHPUnitTestCase
     /** @depends testUpload */
     public function testMetaSearchNoResults($image_ids)
     {
-        $image_ids = $this->testUpload();
+        $this->testUpload();
         $this->assert_search_results(["hash=1234567890"], []);
         $this->assert_search_results(["ratio=42:12345"], []);
     }
@@ -162,7 +162,7 @@ class IndexTest extends ShimmiePHPUnitTestCase
     /** @depends testUpload */
     public function testWildSearchNoResults($image_ids)
     {
-        $image_ids = $this->testUpload();
+        $this->testUpload();
         $this->assert_search_results(["asdfasdf*"], []);
     }
 
diff --git a/ext/user/main.php b/ext/user/main.php
index 6890104b..72535128 100644
--- a/ext/user/main.php
+++ b/ext/user/main.php
@@ -560,7 +560,7 @@ class UserPage extends Extension
         return $new_user;
     }
 
-    private function set_login_cookie(string $name, string $pass): void
+    private function set_login_cookie(string $name): void
     {
         global $config, $page;
 
@@ -639,7 +639,7 @@ class UserPage extends Extension
                 $duser->set_password($pass1);
 
                 if ($duser->id == $user->id) {
-                    $this->set_login_cookie($duser->name, $pass1);
+                    $this->set_login_cookie($duser->name);
                 }
 
                 $page->flash("Password changed");